/* roulang page: index */
:root{
  --brand:#16D08A;
  --brand-deep:#0B8F63;
  --brand-ink:#0C1512;
  --accent:#FF6A2B;
  --accent-2:#C6F04A;
  --bg-dark:#0C1512;
  --bg-soft:#F5F8F6;
  --surface:#FFFFFF;
  --line:rgba(12,21,18,.10);
  --line-invert:rgba(233,242,238,.14);
  --text-strong:#14201C;
  --text-muted:#5A6B64;
  --text-invert:#E9F2EE;
  --text-invert-muted:#9BB2AA;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-card:0 18px 40px -20px rgba(6,26,20,.35);
  --sh-card-hover:0 26px 52px -22px rgba(6,26,20,.45);
  --sh-dark:0 24px 60px -28px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sec:96px;
  --bs-primary:#16D08A;
  --bs-body-bg:#F5F8F6;
  --bs-body-color:#14201C;
  --bs-border-radius:22px;
  --bs-link-color:#0B8F63;
  --bs-link-hover-color:#16D08A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-strong);
  background:var(--bg-soft);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-strong)}
p{margin:0 0 1.15em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:8px}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1320px}}
.num{font-variant-numeric:tabular-nums}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--bg-dark);border-bottom:1px solid rgba(22,208,138,.12);font-size:13.5px;color:var(--text-invert-muted);position:relative;z-index:1035}
.topbar-inner{display:flex;align-items:center;gap:18px;height:38px}
.topbar-domain{color:var(--brand);letter-spacing:.4px;font-weight:600}
.topbar-tip{flex:1;text-align:center;color:var(--text-invert-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.topbar-link{color:var(--text-invert-muted)}
.topbar-link:hover{color:var(--brand);text-decoration:none}
.btn-cta-sm{display:inline-flex;align-items:center;height:26px;padding:0 14px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--brand));color:#08150F;font-weight:700;font-size:12.5px;line-height:1}
.btn-cta-sm:hover{color:#08150F;text-decoration:none;filter:brightness(1.06)}

/* ===== 主导航 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(12,21,18,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(22,208,138,.14);transition:background .26s var(--ease),box-shadow .26s var(--ease)}
.site-header.is-scrolled{background:rgba(12,21,18,.98);box-shadow:0 14px 34px -22px rgba(0,0,0,.85)}
.mainnav{padding:0;min-height:68px}
.mainnav .container{display:flex;align-items:center;min-height:68px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;padding:0;margin-right:18px;text-decoration:none}
.brand-logo:hover{text-decoration:none}
.logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;box-shadow:0 8px 20px -10px rgba(22,208,138,.9)}
.logo-mark svg{width:19px;height:19px}
.brand-text{color:var(--text-invert);font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.navbar-toggler{border:1px solid rgba(233,242,238,.28);border-radius:10px;padding:6px 9px;background:transparent}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--accent-2);outline-offset:2px}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23E9F2EE' stroke-width='2.4' stroke-linecap='round' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E")}
.nav-main{display:flex;align-items:center;gap:4px}
.nav-main .nav-link{position:relative;color:var(--text-invert-muted);font-size:15px;font-weight:600;padding:22px 13px;white-space:nowrap;transition:color .22s var(--ease)}
.nav-main .nav-link::after{content:"";position:absolute;left:13px;right:13px;bottom:16px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-main .nav-link:hover{color:var(--text-invert)}
.nav-main .nav-link:hover::after{transform:scaleX(1)}
.nav-main .nav-link.active{color:var(--text-invert)}
.nav-main .nav-link.active::after{height:3px;transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}

/* ===== 按钮体系 ===== */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border:0;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--brand));color:#08150F;font-weight:700;font-size:16px;line-height:1;box-shadow:0 16px 32px -16px rgba(255,106,43,.75);transition:transform .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease)}
.btn-main:hover{color:#08150F;text-decoration:none;filter:brightness(1.06);transform:translateY(-2px) scale(1.02);box-shadow:0 20px 38px -16px rgba(255,106,43,.85)}
.btn-main:active{transform:scale(.98)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;border:1.5px solid rgba(22,208,138,.55);background:transparent;color:var(--brand-deep);font-weight:700;font-size:15.5px;line-height:1;transition:all .24s var(--ease)}
.btn-line:hover{border-color:var(--brand);background:rgba(22,208,138,.10);color:var(--brand-deep);text-decoration:none;transform:translateY(-2px)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;border:1.5px solid rgba(233,242,238,.32);background:rgba(233,242,238,.06);color:var(--text-invert);font-weight:700;font-size:15.5px;line-height:1;transition:all .24s var(--ease)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(22,208,138,.10);text-decoration:none;transform:translateY(-2px)}
.btn-nav-cta{display:inline-flex;align-items:center;padding:10px 22px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--brand));color:#08150F;font-weight:700;font-size:14.5px;line-height:1;transition:filter .24s var(--ease),transform .24s var(--ease)}
.btn-nav-cta:hover{color:#08150F;text-decoration:none;filter:brightness(1.07);transform:scale(1.02)}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:104px 0 60px;background:var(--bg-dark)}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;filter:brightness(.58) saturate(1.06);transform:scale(1.02)}
.hero-veil{position:absolute;inset:0;background:linear-gradient(135deg,rgba(12,21,18,.86) 0%,rgba(12,21,18,.48) 48%,rgba(11,143,99,.62) 100%)}
.hero-inner{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(22,208,138,.14);border:1px solid rgba(22,208,138,.34);color:var(--brand);font-size:13.5px;font-weight:600;letter-spacing:.4px}
.hero h1{color:#FFFFFF;font-size:clamp(30px,4.4vw,52px);line-height:1.15;letter-spacing:-.5px;font-weight:800;margin:22px 0 18px;max-width:15em}
.hero-sub{color:var(--text-invert);font-size:clamp(16px,1.6vw,18px);line-height:1.85;max-width:36em;margin-bottom:30px;opacity:.92}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.data-badge{display:inline-flex;flex-direction:column;gap:2px;padding:12px 20px;border-radius:18px;background:rgba(233,242,238,.07);border:1px solid rgba(22,208,138,.22);min-width:118px}
.data-badge strong{color:var(--accent-2);font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.data-badge small{color:var(--text-invert-muted);font-size:12.5px;letter-spacing:.3px}
.focus-card{background:rgba(12,21,18,.62);border:1px solid rgba(22,208,138,.22);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-dark);backdrop-filter:blur(6px)}
.focus-card h2{color:var(--text-invert);font-size:19px;font-weight:700;margin-bottom:6px}
.focus-card .focus-note{color:var(--text-invert-muted);font-size:13.5px;margin-bottom:18px}
.focus-list li{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line-invert)}
.focus-list li:first-child{border-top:0;padding-top:0}
.focus-time{flex:0 0 62px;color:var(--brand);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.focus-text{color:var(--text-invert);font-size:14.5px;line-height:1.7}
.focus-text span{display:block;color:var(--text-invert-muted);font-size:13px;margin-top:2px}

/* ===== 数据条 ===== */
.databar{position:relative;z-index:2;margin-top:56px;display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(22,208,138,.18);border:1px solid rgba(22,208,138,.22);border-radius:var(--r-md);overflow:hidden}
.databar-item{background:rgba(12,21,18,.72);padding:20px 18px;text-align:center}
.databar-item b{display:block;color:#FFFFFF;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.25}
.databar-item span{display:block;margin-top:4px;color:var(--text-invert-muted);font-size:13px}

/* ===== 通用板块 ===== */
.section{padding:var(--sec) 0}
.section-light{background:var(--bg-soft)}
.section-white{background:var(--surface)}
.section-dark{background:var(--bg-dark);color:var(--text-invert)}
.section-dark h2,.section-dark h3{color:var(--text-invert)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--brand-deep);text-transform:uppercase;margin-bottom:10px}
.section-dark .eyebrow{color:var(--brand)}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.3px}
.section-head .head-sub{color:var(--text-muted);font-size:15.5px;margin-top:10px;max-width:46em}
.section-dark .section-head .head-sub{color:var(--text-invert-muted)}
.section-more{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;padding-bottom:4px;border-bottom:2px solid rgba(22,208,138,.4);transition:border-color .24s var(--ease)}
.section-more:hover{border-color:var(--brand);text-decoration:none}

/* ===== 玩法图文（7/5 交错） ===== */
.feature-row{align-items:center;padding:34px 0}
.feature-row + .feature-row{border-top:1px solid var(--line)}
.feature-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);background:linear-gradient(135deg,#dfeae4,#eef4f0)}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.feature-row:hover .feature-media img{transform:scale(1.03)}
.feature-label{display:inline-block;padding:5px 14px;border-radius:999px;background:rgba(22,208,138,.14);color:var(--brand-deep);font-size:13px;font-weight:700;margin-bottom:14px}
.feature-body h3{font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;margin-bottom:14px}
.feature-body p{color:var(--text-muted);font-size:16px}
.feature-list li{position:relative;padding-left:26px;margin-top:10px;color:var(--text-strong);font-size:15.5px}
.feature-list li::before{content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--brand))}
.feature-metric{display:inline-flex;align-items:baseline;gap:6px;margin-top:18px;padding:10px 18px;border-radius:14px;background:rgba(12,21,18,.05);border:1px solid var(--line)}
.feature-metric b{font-size:20px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.feature-metric span{font-size:13px;color:var(--text-muted)}

/* ===== 奖励横轨 ===== */
.reward-rail{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 26px;margin:0 -4px}
.reward-rail::-webkit-scrollbar{height:8px}
.reward-rail::-webkit-scrollbar-thumb{background:rgba(22,208,138,.4);border-radius:99px}
.reward-rail::-webkit-scrollbar-track{background:rgba(12,21,18,.06);border-radius:99px}
.reward-card{flex:0 0 320px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease)}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(22,208,138,.42)}
.reward-media{background:linear-gradient(135deg,#dfeae4,#eef4f0)}
.reward-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.reward-body{padding:22px 22px 24px}
.reward-body h3{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:10px}
.reward-body p{color:var(--text-muted);font-size:14.5px;line-height:1.75;margin-bottom:14px}
.value-chip{display:inline-flex;align-items:baseline;gap:5px;padding:6px 14px;border-radius:999px;background:rgba(12,21,18,.88);color:var(--accent-2)}
.value-chip b{font-size:17px;font-weight:800;font-variant-numeric:tabular-nums}
.value-chip i{font-style:normal;font-size:12px;color:var(--text-invert-muted)}
.reward-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.reward-foot span{font-size:12.5px;color:var(--text-muted)}
.reward-foot a{font-size:14px;font-weight:700}

/* ===== 步骤进度 ===== */
.stepper{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-bottom:38px}
.stepper::before{content:"";position:absolute;left:12%;right:12%;top:15px;height:2px;background:rgba(233,242,238,.18)}
.step{position:relative;text-align:center;padding:0 10px}
.step-dot{width:32px;height:32px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;background:rgba(12,21,18,.9);border:2px solid rgba(233,242,238,.24);color:var(--text-invert-muted);font-weight:800;font-size:14px;position:relative;z-index:2;font-variant-numeric:tabular-nums}
.step.done .step-dot{background:linear-gradient(135deg,var(--brand-deep),var(--brand));border-color:transparent;color:#08150F}
.step.current .step-dot{background:linear-gradient(135deg,var(--accent),var(--brand));border-color:transparent;color:#08150F;box-shadow:0 0 0 8px rgba(22,208,138,.14);animation:breathe 2.6s var(--ease) infinite}
@keyframes breathe{0%,100%{box-shadow:0 0 0 6px rgba(22,208,138,.10)}50%{box-shadow:0 0 0 13px rgba(22,208,138,.06)}}
.step h3{font-size:16px;font-weight:700;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--text-invert-muted);line-height:1.7;margin:0}
.progress-panel{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;background:rgba(233,242,238,.05);border:1px solid rgba(22,208,138,.20);border-radius:var(--r-md);padding:22px 26px}
.progress-panel .pp-title{font-size:15px;font-weight:700;margin-bottom:10px}
.progress-track{height:10px;border-radius:99px;background:rgba(233,242,238,.12);overflow:hidden}
.progress-fill{height:100%;width:68%;border-radius:99px;background:linear-gradient(90deg,var(--brand-deep),var(--brand),var(--accent-2))}
.progress-pct{font-size:26px;font-weight:800;color:var(--accent-2);font-variant-numeric:tabular-nums;line-height:1}

/* ===== 宽幅 CTA ===== */
.cta-band{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;padding:44px 48px;border-radius:var(--r-lg);background:linear-gradient(135deg,#0B8F63 0%,#16D08A 58%,#C6F04A 130%);box-shadow:0 28px 60px -30px rgba(11,143,99,.85);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:230px;height:230px;border-radius:50%;background:rgba(255,255,255,.16)}
.cta-band h2{color:#08150F;font-size:clamp(21px,2.4vw,29px);line-height:1.3;font-weight:800;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{color:rgba(8,21,15,.78);font-size:15.5px;margin:0;position:relative;z-index:2}
.cta-band .btn-dark-solid{position:relative;z-index:2;display:inline-flex;align-items:center;padding:15px 34px;border-radius:999px;background:#0C1512;color:#E9F2EE;font-weight:700;font-size:16px;line-height:1;transition:transform .24s var(--ease),filter .24s var(--ease)}
.cta-band .btn-dark-solid:hover{color:#FFFFFF;text-decoration:none;transform:translateY(-2px) scale(1.02);filter:brightness(1.15)}

/* ===== 内容列表 2+1 ===== */
.badge-cat{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(22,208,138,.14);border:1px solid rgba(22,208,138,.3);color:var(--brand-deep);font-size:12.5px;font-weight:700;margin-bottom:12px}
.post-main{display:grid;grid-template-columns:1.05fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);height:100%;transition:transform .26s var(--ease),box-shadow .26s var(--ease)}
.post-main:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover)}
.post-main-media{background:linear-gradient(135deg,#dfeae4,#eef4f0);min-height:260px}
.post-main-media img{width:100%;height:100%;object-fit:cover}
.post-main-body{padding:34px 32px;display:flex;flex-direction:column;justify-content:center}
.post-main-title{font-size:clamp(20px,2.1vw,25px);line-height:1.4;font-weight:700;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-main-title a{color:var(--text-strong)}
.post-main-title a:hover{color:var(--brand-deep);text-decoration:none}
.post-main-sum{color:var(--text-muted);font-size:15.5px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.post-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 26px 24px;box-shadow:var(--sh-card);flex:1;display:flex;flex-direction:column;transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease)}
.post-side:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(22,208,138,.4)}
.post-side h3{font-size:18.5px;line-height:1.45;font-weight:700;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-side h3 a{color:var(--text-strong)}
.post-side h3 a:hover{color:var(--brand-deep);text-decoration:none}
.post-side p{color:var(--text-muted);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-muted)}
.post-link{font-weight:700;color:var(--brand-deep)}
.tl-list{margin-top:34px;border-top:1px solid var(--line)}
.tl-list li{display:flex;align-items:baseline;gap:18px;padding:16px 4px;border-bottom:1px solid var(--line)}
.tl-date{flex:0 0 108px;color:var(--text-muted);font-size:13.5px;font-variant-numeric:tabular-nums}
.tl-title{font-size:15.5px;font-weight:600;color:var(--text-strong)}
.tl-title:hover{color:var(--brand-deep);text-decoration:none}
.empty-state{text-align:center;padding:64px 24px;background:var(--surface);border:1px dashed rgba(22,208,138,.4);border-radius:var(--r-lg)}
.empty-state .es-mark{width:62px;height:62px;border-radius:20px;margin:0 auto 18px;background:linear-gradient(135deg,#dfeae4,#eef4f0);display:flex;align-items:center;justify-content:center}
.empty-state p{color:var(--text-muted);margin-bottom:18px}

/* ===== 数据与反馈 ===== */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-card);transition:transform .26s var(--ease),box-shadow .26s var(--ease)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover)}
.stat-card b{display:block;font-size:34px;font-weight:800;line-height:1.15;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.stat-card span{display:block;margin-top:6px;font-size:14.5px;color:var(--text-muted)}
.quote-list li{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--r-sm);padding:22px 24px;box-shadow:var(--sh-card);margin-bottom:16px}
.quote-list p{font-size:15.5px;color:var(--text-strong);margin-bottom:10px}
.quote-list span{font-size:13px;color:var(--text-muted)}

/* ===== FAQ ===== */
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:12px 34px;box-shadow:var(--sh-card)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:24px 44px 24px 0;font-size:17px;font-weight:600;color:var(--text-strong);position:relative;cursor:pointer;transition:color .22s var(--ease)}
.faq-q:hover{color:var(--brand-deep)}
.faq-q::after{content:"";position:absolute;right:8px;top:50%;width:10px;height:10px;border-right:2px solid var(--brand-deep);border-bottom:2px solid var(--brand-deep);transform:translateY(-70%) rotate(45deg);transition:transform .22s var(--ease)}
.faq-item.open .faq-q::after{transform:translateY(-30%) rotate(225deg)}
.faq-item.open .faq-q{color:var(--brand-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-muted);padding:0 40px 24px 14px;border-left:3px solid var(--brand);margin:0 0 0 0}
.faq-item.open .faq-a{max-height:420px}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-dark);color:var(--text-invert-muted);padding:72px 0 0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--brand),var(--accent-2),transparent)}
.footer-grid{padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-desc{font-size:14.5px;line-height:1.85;color:var(--text-invert-muted);max-width:32em}
.footer-col h3{color:var(--text-invert);font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.3px}
.footer-col li{margin-bottom:11px}
.footer-col a{color:var(--text-invert-muted);font-size:14.5px}
.footer-col a:hover{color:var(--brand)}
.footer-col .plain{color:var(--text-invert-muted);font-size:14.5px}
.footer-bottom{border-top:1px solid var(--line-invert);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-invert-muted)}

/* ===== 回到顶部 & 移动吸底 ===== */
.back-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--brand-deep),var(--brand));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 16px 34px -14px rgba(11,143,99,.9);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .26s var(--ease);z-index:1040}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{filter:brightness(1.08)}
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:1045;display:none;align-items:center;gap:14px;padding:12px 16px;background:rgba(12,21,18,.96);border-top:1px solid rgba(22,208,138,.3);backdrop-filter:blur(8px)}
.mobile-bar span{flex:1;color:var(--text-invert);font-size:14px;font-weight:600}
.mobile-bar a{flex:0 0 auto;padding:11px 22px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--brand));color:#08150F;font-weight:700;font-size:14px;line-height:1}
.mobile-bar a:hover{color:#08150F;text-decoration:none}
.mobile-bar .close-mb{flex:0 0 auto;background:none;border:0;color:var(--text-invert-muted);font-size:20px;line-height:1;padding:0 4px}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  :root{--sec:80px}
}
@media (max-width:991.98px){
  :root{--sec:64px}
  .nav-main{flex-direction:column;align-items:stretch;padding:8px 0 16px;gap:0}
  .nav-main .nav-link{padding:13px 4px;border-bottom:1px solid var(--line-invert)}
  .nav-main .nav-link::after{display:none}
  .nav-main .nav-link.active{color:var(--brand)}
  .nav-right{margin:14px 0 6px;justify-content:stretch}
  .nav-right .btn-nav-cta{width:100%;justify-content:center;padding:14px 22px}
  .navbar-collapse{background:rgba(12,21,18,.98);border-radius:0 0 var(--r-md) var(--r-md);padding:0 18px 6px;margin-top:6px}
  .hero{padding:72px 0 48px}
  .hero h1{max-width:none}
  .focus-card{margin-top:8px}
  .databar{grid-template-columns:repeat(2,1fr)}
  .stepper{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .stepper::before{display:none}
  .post-main{grid-template-columns:1fr}
  .post-main-media{min-height:220px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;text-align:left}
  .cta-band .btn-dark-solid{justify-content:center;width:100%}
  .faq-wrap{padding:8px 22px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .stat-grid{grid-template-columns:1fr}
  .reward-card{flex:0 0 268px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .feature-row{padding:24px 0}
  .tl-list li{flex-direction:column;gap:4px}
  .tl-date{flex:none}
  .mobile-bar{display:flex}
  .back-top{bottom:82px}
}
@media (max-width:575.98px){
  .databar{grid-template-columns:1fr 1fr}
  .databar-item{padding:16px 12px}
  .databar-item b{font-size:20px}
  .stepper{grid-template-columns:1fr;gap:22px 0}
  .step{display:flex;gap:16px;text-align:left}
  .step-dot{margin:0;flex:0 0 32px}
  .post-main-body{padding:24px 20px}
  .progress-panel{grid-template-columns:1fr}
  .footer-col{margin-top:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand:#16D08A;
  --brand-deep:#0B8F63;
  --brand-ink:#0C1512;
  --accent:#FF6A2B;
  --accent-2:#C6F04A;
  --bg-dark:#0C1512;
  --bg-soft:#F5F8F6;
  --surface:#FFFFFF;
  --line:rgba(12,21,18,.10);
  --text-strong:#14201C;
  --text-muted:#5A6B64;
  --text-invert:#E9F2EE;
  --text-invert-muted:#9BB2AA;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --r-xs:12px;
  --shadow-card:0 18px 40px -20px rgba(6,26,20,.35);
  --shadow-dark:0 24px 60px -28px rgba(0,0,0,.55);
  --shadow-hover:0 26px 56px -22px rgba(6,26,20,.45);
  --ease:cubic-bezier(.2,.8,.2,1);
  --t:240ms;
  --bs-primary:#16D08A;
  --bs-body-bg:#F5F8F6;
  --bs-body-color:#14201C;
  --bs-border-radius:16px;
  --bs-link-color:#0B8F63;
  --bs-link-hover-color:#0B8F63;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-strong);
  background:var(--bg-soft);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:var(--brand-deep);text-decoration:none;text-underline-offset:3px;transition:color var(--t) var(--ease),opacity var(--t) var(--ease)}
a:hover{color:var(--brand);text-decoration:underline}
h1,h2,h3,h4{color:var(--text-strong);margin:0;letter-spacing:-.3px}
h1{font-size:clamp(28px,4vw,46px);line-height:1.22;font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(23px,2.8vw,34px);line-height:1.3;font-weight:700}
h3{font-size:clamp(19px,2vw,24px);line-height:1.4;font-weight:600}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.2em}
li{margin-bottom:.5em}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1320px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ===== 顶部信息条 ===== */
.topbar{
  background:#0A1310;
  border-bottom:1px solid rgba(22,208,138,.12);
  color:var(--text-invert-muted);
  font-size:13.5px;
  min-height:38px;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar .tb-domain{color:#8FA89F;letter-spacing:.4px}
.topbar .tb-mid{flex:1;text-align:center;color:#B9CCC4;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar .tb-mid b{color:var(--accent-2);font-weight:600}
.topbar .tb-actions{display:flex;align-items:center;gap:14px}
.topbar .tb-actions a{color:#CFE1DA}
.topbar .tb-actions a:hover{color:var(--brand)}
.tb-cta{
  display:inline-flex;align-items:center;
  padding:4px 14px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F!important;font-weight:700;font-size:13px;
  transition:transform var(--t) var(--ease),filter var(--t) var(--ease);
}
.tb-cta:hover{filter:brightness(1.06);transform:scale(1.02);text-decoration:none}
@media (max-width:767px){
  .topbar .tb-mid,.topbar .tb-actions a.tb-link{display:none}
}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(12,21,18,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid rgba(22,208,138,.14);
  transition:box-shadow var(--t) var(--ease),background var(--t) var(--ease);
}
.site-header.scrolled{background:rgba(10,19,16,.98);box-shadow:0 14px 34px -22px rgba(0,0,0,.75)}
.mainnav{padding:0;min-height:68px}
.mainnav .container{display:flex;align-items:center;gap:18px;min-height:68px}
.navbar-brand{display:flex;align-items:center;gap:10px;padding:0;margin:0}
.logo-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--accent-2));
  box-shadow:0 10px 24px -12px rgba(22,208,138,.9);
}
.logo-mark svg{width:22px;height:22px}
.brand-text{color:var(--text-invert);font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap}
.navbar-brand:hover .brand-text{color:var(--brand)}
.nav-main{gap:4px}
.nav-main .nav-link{
  position:relative;
  color:#CBDCD5;font-size:15px;font-weight:500;
  padding:22px 12px;border-radius:0;
  transition:color var(--t) var(--ease);
}
.nav-main .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:3px;
  border-radius:999px;background:var(--brand);
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t) var(--ease);
}
.nav-main .nav-link:hover{color:#fff}
.nav-main .nav-link:hover::after{transform:scaleX(1)}
.nav-main .nav-link.active{color:#fff;font-weight:700}
.nav-main .nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.btn-nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 20px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F;font-weight:700;font-size:14.5px;
  transition:transform var(--t) var(--ease),filter var(--t) var(--ease);
}
.btn-nav-cta:hover{filter:brightness(1.06);transform:scale(1.02);text-decoration:none;color:#08150F}
.navbar-toggler{
  border:1px solid rgba(22,208,138,.35);border-radius:12px;padding:6px 10px;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(198,240,74,.45)}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23E9F2EE' stroke-width='2.2' stroke-linecap='round' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}
@media (max-width:991px){
  .nav-main .nav-link{padding:12px 6px}
  .nav-main .nav-link::after{display:none}
  .nav-main .nav-link.active{background:rgba(22,208,138,.10);border-radius:10px;padding-left:12px}
  .nav-right{padding:12px 0 18px}
  .btn-nav-cta{width:100%;justify-content:center}
}

/* ===== 面包屑 ===== */
.crumb-bar{background:#0C1512;border-bottom:1px solid rgba(22,208,138,.12);padding:12px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none;font-size:13.5px;color:var(--text-invert-muted)}
.crumb li{margin:0;display:flex;align-items:center;gap:8px;max-width:100%}
.crumb li+li::before{content:"/";color:rgba(155,178,170,.55)}
.crumb a{color:#CBDCD5}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:#8FA89F;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52vw}

/* ===== 文章头 ===== */
.article-hero{
  position:relative;
  padding:48px 0 56px;
  background:
    linear-gradient(135deg,rgba(12,21,18,.94),rgba(11,143,99,.82)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:var(--text-invert);
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(22,208,138,.5),transparent);
}
.article-hero .hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(22,208,138,.16);
  border:1px solid rgba(22,208,138,.38);
  color:var(--accent-2);font-size:13px;font-weight:600;letter-spacing:.4px;
}
.article-hero h1{
  color:#fff;max-width:900px;margin:18px 0 20px;
  text-shadow:0 12px 34px rgba(0,0,0,.35);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
  font-size:14px;color:var(--text-invert-muted);
}
.article-meta .m-item{display:inline-flex;align-items:center;gap:7px}
.article-meta .m-item svg{width:16px;height:16px;flex:0 0 16px}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:rgba(255,106,43,.16);border:1px solid rgba(255,106,43,.42);
  color:#FFC3A6;font-size:13px;font-weight:600;
}
@media (max-width:767px){
  .article-hero{padding:34px 0 40px}
  .article-meta{gap:10px 16px;font-size:13px}
}

/* ===== 主体两栏 ===== */
.article-wrap{padding:52px 0 20px;background:var(--bg-soft)}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 306px;
  gap:34px;
  align-items:start;
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{order:2}
}

/* 正文卡 */
.reader{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
  padding:40px clamp(20px,3.4vw,44px);
}
@media (max-width:767px){.reader{padding:22px 18px;border-radius:18px}}

.article-body{max-width:820px;font-size:17px;line-height:1.9;color:#22302B}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  position:relative;
  margin:2em 0 .8em;padding-left:16px;
  font-size:clamp(21px,2.3vw,27px);line-height:1.4;font-weight:700;color:var(--text-strong);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:999px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.article-body h3{margin:1.6em 0 .6em;font-size:20px;font-weight:700;color:var(--text-strong)}
.article-body h4{margin:1.4em 0 .5em;font-size:17.5px;font-weight:700}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{padding-left:1.35em}
.article-body li{margin-bottom:.55em}
.article-body strong{color:#0E1B16;font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:rgba(22,208,138,.08);
  border-left:4px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#28423A;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:1.4em auto;box-shadow:var(--shadow-card)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-muted);margin-top:10px}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:1.6em 0;font-size:15.5px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body thead th{
  background:#EDF6F1;color:#16302A;font-weight:700;text-align:left;
  padding:12px 16px;border-bottom:1px solid var(--line);
}
.article-body tbody td{padding:12px 16px;border-bottom:1px solid rgba(12,21,18,.06)}
.article-body tbody tr:nth-child(even){background:#FAFCFB}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body pre{
  background:#0F1D18;color:#DCEDE6;padding:16px 18px;border-radius:var(--r-sm);
  overflow-x:auto;font-size:14px;
}
.article-body a{font-weight:600}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0}
.table-scroll{overflow-x:auto;margin:1.6em 0;-webkit-overflow-scrolling:touch}
.table-scroll table{margin:0;min-width:520px}

/* 空态 */
.empty-state{
  text-align:center;padding:48px 20px;border:1px dashed rgba(12,21,18,.18);
  border-radius:var(--r-md);background:#FBFDFC;
}
.empty-state .es-mark{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  background:linear-gradient(135deg,var(--brand),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
}
.empty-state .es-mark svg{width:30px;height:30px}
.empty-state h3{margin-bottom:10px}
.empty-state p{color:var(--text-muted);margin-bottom:20px}
.empty-state .btn-main{display:inline-flex}

/* 按钮 */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border:none;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F;font-weight:700;font-size:15px;
  transition:transform var(--t) var(--ease),filter var(--t) var(--ease),box-shadow var(--t) var(--ease);
  box-shadow:0 14px 30px -16px rgba(22,208,138,.85);
}
.btn-main:hover{filter:brightness(1.06);transform:scale(1.02);text-decoration:none;color:#08150F}
.btn-main:active{transform:scale(.98)}
.btn-main:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 24px;border-radius:999px;
  border:1px solid rgba(22,208,138,.55);
  background:transparent;color:#D8EDE5;font-weight:600;font-size:15px;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn-ghost:hover{background:rgba(22,208,138,.14);color:#fff;text-decoration:none;transform:translateY(-2px)}
.btn-outline-ink{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 24px;border-radius:999px;
  border:1px solid rgba(12,21,18,.18);
  background:#fff;color:var(--text-strong);font-weight:600;font-size:15px;
  transition:border-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn-outline-ink:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-card);text-decoration:none;color:var(--brand-deep)}

/* ===== 侧栏 ===== */
.article-side{position:relative}
.side-sticky{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
@media (max-width:1199px){.side-sticky{position:static;top:auto}}
.widget{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
  padding:22px 20px;
}
.widget h3{
  font-size:16px;font-weight:700;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.widget h3::before{
  content:"";width:4px;height:16px;border-radius:999px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.toc-list{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc-list li{margin:0 0 4px}
.toc-list a{
  display:block;padding:8px 10px;border-radius:10px;
  font-size:14.5px;color:#3C4F48;line-height:1.5;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.toc-list a:hover,.toc-list a.is-active{background:rgba(22,208,138,.10);color:var(--brand-deep);text-decoration:none}
.toc-empty{font-size:14px;color:var(--text-muted);margin:0}
.hot-list{list-style:none;margin:0;padding:0}
.hot-list li{margin:0;border-top:1px solid rgba(12,21,18,.07)}
.hot-list li:first-child{border-top:none}
.hot-list a{
  display:block;padding:12px 0;font-size:14.8px;color:#33443E;line-height:1.55;
  transition:color var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.hot-list a:hover{color:var(--brand-deep);padding-left:6px;text-decoration:none}
.hot-list .hl-tag{display:block;font-size:12.5px;color:var(--text-muted);margin-top:4px}

/* ===== 相关推荐 ===== */
.related{padding:56px 0 12px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px}
.section-head h2{font-size:clamp(21px,2.4vw,28px)}
.section-head p{margin:8px 0 0;color:var(--text-muted);font-size:15px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:991px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.card-grid{grid-template-columns:minmax(0,1fr)}}
.rp-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.rp-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(22,208,138,.45)}
.rp-media{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,#0C1512,#0B8F63)}
.rp-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.rp-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-cat{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:rgba(22,208,138,.12);border:1px solid rgba(22,208,138,.35);
  color:var(--brand-deep);font-size:12.5px;font-weight:600;
}
.rp-card h3{
  font-size:17.5px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rp-card p{
  margin:0;font-size:14.5px;color:var(--text-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rp-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-muted);padding-top:10px;border-top:1px solid rgba(12,21,18,.07)}
.rp-foot .more{color:var(--brand-deep);font-weight:600}

/* ===== 翻页 ===== */
.pager{
  margin:34px 0 0;padding:20px 22px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;
}
.pager a{display:flex;flex-direction:column;gap:4px;font-size:14.5px;color:#33443E}
.pager a:hover{color:var(--brand-deep);text-decoration:none}
.pager .p-label{font-size:12.5px;color:var(--text-muted)}
.pager .p-next{text-align:right;align-items:flex-end}
.pager .p-centre{justify-self:center}
@media (max-width:767px){
  .pager{grid-template-columns:1fr;gap:14px;text-align:left}
  .pager .p-next{text-align:left;align-items:flex-start}
  .pager .p-centre{justify-self:start}
}

/* ===== CTA 宽幅卡 ===== */
.cta-band{padding:56px 0 24px}
.cta-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.35fr auto;gap:26px;align-items:center;
  padding:36px clamp(22px,3.4vw,44px);
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,#0C1512 0%,#0B8F63 100%);
  box-shadow:var(--shadow-dark);
  border:1px solid rgba(22,208,138,.20);
  color:var(--text-invert);
}
.cta-card::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,240,74,.28),transparent 70%);
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-card p{margin:0;color:var(--text-invert-muted);font-size:15.5px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
@media (max-width:991px){
  .cta-card{grid-template-columns:minmax(0,1fr);padding:28px 22px}
}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:64px;
  background:#0A1310;
  color:var(--text-invert-muted);
  padding:56px 0 22px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
}
.footer-grid{padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{font-size:14.5px;line-height:1.8;color:#93AAA2;margin:0;max-width:340px}
.footer-col h3{
  color:#E9F2EE;font-size:15.5px;font-weight:700;margin-bottom:14px;
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin:0 0 10px}
.footer-col a{color:#9BB2AA;font-size:14.5px}
.footer-col a:hover{color:var(--brand)}
.footer-col .plain{color:#8CA39B;font-size:14.5px}
.footer-bottom{
  border-top:1px solid rgba(22,208,138,.14);
  padding-top:18px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7E948C;
}
@media (max-width:767px){
  .footer-bottom{justify-content:center;text-align:center}
  .footer-desc{max-width:none}
}

/* ===== 回到顶部 ===== */
#backTop{
  position:fixed;right:22px;bottom:26px;z-index:1040;
  width:46px;height:46px;border-radius:50%;border:none;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 32px -14px rgba(11,143,99,.9);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
  cursor:pointer;
}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backTop:hover{filter:brightness(1.08)}
#backTop:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}
#backTop svg{width:20px;height:20px}

.skeleton{background:linear-gradient(100deg,#E4EFE9 30%,#F2F8F5 50%,#E4EFE9 70%);background-size:200% 100%;animation:sk 1.4s infinite linear}
@keyframes sk{from{background-position:120% 0}to{background-position:-60% 0}}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --brand:#16D08A;
  --brand-deep:#0B8F63;
  --brand-ink:#0C1512;
  --accent:#FF6A2B;
  --accent-2:#C6F04A;
  --bg-dark:#0C1512;
  --bg-soft:#F5F8F6;
  --surface:#FFFFFF;
  --line:rgba(12,21,18,.10);
  --text-strong:#14201C;
  --text-muted:#5A6B64;
  --text-invert:#E9F2EE;
  --text-invert-muted:#9BB2AA;
  --radius-lg:28px;
  --radius:22px;
  --radius-sm:14px;
  --radius-btn:999px;
  --shadow:0 18px 40px -20px rgba(6,26,20,.35);
  --shadow-dark:0 24px 60px -28px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
  --bs-primary:#16D08A;
  --bs-body-bg:#F5F8F6;
  --bs-body-color:#14201C;
  --bs-border-radius:22px;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  background:var(--bg-soft);
  color:var(--text-strong);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--brand-ink);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{color:var(--text-strong);margin:0;font-weight:700;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){
  .container{max-width:1320px;}
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--bg-dark);
  border-bottom:1px solid rgba(22,208,138,.12);
  min-height:38px;
  color:var(--text-invert-muted);
  font-size:13px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:38px;
}
.topbar .tb-domain{
  color:var(--text-invert);
  letter-spacing:.3px;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.topbar .tb-tip{
  flex:1;
  text-align:center;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--text-invert-muted);
}
.topbar .tb-tip b{color:var(--accent-2);font-weight:600;}
.topbar .tb-actions{display:flex;align-items:center;gap:10px;}
.topbar .tb-link{
  color:var(--text-invert-muted);
  font-size:13px;
  transition:color .24s var(--ease);
}
.topbar .tb-link:hover{color:var(--brand);text-decoration:none;}
.tb-cta{
  display:inline-block;
  padding:4px 14px;
  border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08211A;
  font-size:12.5px;
  font-weight:700;
  line-height:1.6;
  transition:transform .24s var(--ease),filter .24s var(--ease);
}
.tb-cta:hover{color:#08211A;text-decoration:none;filter:brightness(1.06);transform:scale(1.02);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(12,21,18,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid rgba(22,208,138,.12);
  transition:box-shadow .26s var(--ease),background .26s var(--ease);
}
.site-header.is-stuck{
  box-shadow:0 14px 34px -22px rgba(0,0,0,.85);
  background:rgba(9,17,14,.98);
}
.mainnav{padding:0;}
.mainnav .container{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:68px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0;
  margin-right:6px;
  flex:0 0 auto;
}
.brand-logo:hover{text-decoration:none;}
.logo-mark{
  width:36px;
  height:36px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--accent-2));
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  box-shadow:0 10px 22px -12px rgba(22,208,138,.9);
}
.logo-mark svg{width:22px;height:22px;}
.brand-text{
  color:var(--text-invert);
  font-weight:800;
  font-size:17px;
  letter-spacing:.4px;
  white-space:nowrap;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-main .nav-link{
  position:relative;
  color:var(--text-invert-muted);
  font-size:15px;
  padding:22px 12px;
  line-height:1.4;
  transition:color .24s var(--ease);
}
.nav-main .nav-link::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:14px;
  height:3px;
  border-radius:3px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .24s var(--ease);
}
.nav-main .nav-link:hover{color:var(--text-invert);text-decoration:none;}
.nav-main .nav-link:hover::after{transform:scaleX(1);}
.nav-main .nav-link.active{color:#FFFFFF;font-weight:600;}
.nav-main .nav-link.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.btn-nav-cta{
  display:inline-block;
  padding:9px 22px;
  border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08211A;
  font-weight:700;
  font-size:14.5px;
  line-height:1.5;
  transition:transform .24s var(--ease),filter .24s var(--ease);
}
.btn-nav-cta:hover{color:#08211A;text-decoration:none;filter:brightness(1.06);transform:scale(1.02);}
.btn-nav-cta:active{transform:scale(.98);}
.navbar-toggler{
  border:1px solid rgba(22,208,138,.35);
  border-radius:12px;
  padding:6px 10px;
  margin-left:auto;
}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--accent-2);outline-offset:2px;}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%2316D08A' stroke-width='2.4' stroke-linecap='round' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}

/* ---------- 分类页窄版 Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--bg-dark);
  color:var(--text-invert);
  padding:56px 0 48px;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.32;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(135deg,rgba(12,21,18,.94) 0%,rgba(11,143,99,.55) 55%,rgba(12,21,18,.92) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-invert-muted);
  margin-bottom:18px;
}
.crumb a{color:var(--text-invert-muted);}
.crumb a:hover{color:var(--brand);text-decoration:none;}
.crumb .sep{opacity:.55;}
.crumb .current{color:var(--brand);}
.cat-hero h1{
  color:#FFFFFF;
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.15;
  letter-spacing:-.5px;
  font-weight:800;
  margin-bottom:14px;
}
.cat-hero .lead{
  max-width:660px;
  color:var(--text-invert);
  opacity:.88;
  font-size:17px;
  line-height:1.85;
  margin-bottom:26px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.badge-stat{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:10px 18px;
  border-radius:var(--radius-btn);
  background:rgba(22,208,138,.12);
  border:1px solid rgba(22,208,138,.28);
  color:var(--text-invert);
  font-size:13px;
}
.badge-stat strong{
  font-size:21px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.3px;
}
.badge-stat.alt strong{color:var(--accent-2);}
.badge-stat.alt{background:rgba(198,240,74,.10);border-color:rgba(198,240,74,.26);}

/* ---------- 锚点导航 ---------- */
.anchor-nav{
  position:sticky;
  top:68px;
  z-index:1020;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-nav ul{
  display:flex;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:10px 0;
}
.anchor-nav ul::-webkit-scrollbar{display:none;}
.anchor-nav a{
  display:inline-block;
  white-space:nowrap;
  padding:8px 16px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#FFFFFF;
  color:var(--text-muted);
  font-size:14px;
  transition:all .24s var(--ease);
}
.anchor-nav a:hover{
  color:var(--brand-deep);
  border-color:rgba(22,208,138,.45);
  text-decoration:none;
  transform:translateY(-1px);
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{margin-bottom:40px;}
.section-tag{
  display:inline-block;
  padding:5px 14px;
  border-radius:var(--radius-btn);
  background:rgba(22,208,138,.12);
  border:1px solid rgba(22,208,138,.28);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  letter-spacing:-.3px;
  margin-bottom:12px;
}
.section-head .sub{
  color:var(--text-muted);
  font-size:16px;
  max-width:720px;
  margin:0;
}

/* ---------- 时间线 ---------- */
.timeline-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:36px 34px;
}
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;
  top:8px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(22,208,138,.15));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-33px;
  top:8px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:#FFFFFF;
  border:3px solid var(--brand);
  box-shadow:0 0 0 4px rgba(22,208,138,.12);
}
.tl-item.is-live::before{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(255,106,43,.16);
  animation:breathe 2.4s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 4px rgba(255,106,43,.16);}
  50%{box-shadow:0 0 0 9px rgba(255,106,43,.05);}
}
.tl-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:8px;
}
.tl-time{
  font-size:22px;
  font-weight:800;
  color:var(--brand-deep);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.4px;
  min-width:74px;
}
.tl-title{font-size:19px;font-weight:700;color:var(--text-strong);}
.tl-desc{color:var(--text-muted);font-size:15.5px;margin:0 0 10px;}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.chip{
  display:inline-block;
  padding:3px 12px;
  border-radius:var(--radius-btn);
  font-size:12.5px;
  line-height:1.7;
  border:1px solid var(--line);
  background:var(--bg-soft);
  color:var(--text-muted);
}
.chip-live{
  background:rgba(255,106,43,.12);
  border-color:rgba(255,106,43,.34);
  color:#B8410C;
  font-weight:600;
}
.chip-done{
  background:rgba(12,21,18,.05);
  border-color:var(--line);
  color:var(--text-muted);
}
.chip-soon{
  background:rgba(22,208,138,.13);
  border-color:rgba(22,208,138,.34);
  color:var(--brand-deep);
  font-weight:600;
}

/* ---------- 阅读步骤（stepper） ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px 24px;
  box-shadow:var(--shadow);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:rgba(22,208,138,.35);
  box-shadow:0 26px 54px -24px rgba(6,26,20,.45);
}
.step-card .dot{
  width:42px;
  height:42px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#06231A;
  font-weight:800;
  font-size:18px;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step-card.is-current{border-color:rgba(255,106,43,.45);}
.step-card.is-current .dot{background:linear-gradient(135deg,var(--accent),var(--brand));}
.step-card h3{font-size:19px;margin-bottom:10px;line-height:1.4;}
.step-card p{color:var(--text-muted);font-size:15px;line-height:1.8;margin:0;}

/* ---------- 阶段进度 ---------- */
.phase-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  align-items:start;
}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:32px 30px;
  box-shadow:var(--shadow);
}
.progress-row{margin-bottom:26px;}
.progress-row:last-child{margin-bottom:0;}
.progress-top{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  margin-bottom:10px;
  font-size:15px;
  color:var(--text-muted);
}
.progress-top strong{color:var(--text-strong);font-size:16px;}
.progress-top .pct{
  font-weight:800;
  color:var(--brand-deep);
  font-variant-numeric:tabular-nums;
  font-size:18px;
}
.bar{
  height:10px;
  border-radius:var(--radius-btn);
  background:rgba(12,21,18,.07);
  overflow:hidden;
}
.bar > span{
  display:block;
  height:100%;
  border-radius:var(--radius-btn);
  background:linear-gradient(90deg,var(--brand-deep),var(--brand));
}
.bar.warm > span{background:linear-gradient(90deg,var(--accent),var(--brand));}
.bar.lime > span{background:linear-gradient(90deg,var(--brand),var(--accent-2));}

/* ---------- 数据看板 2+1 ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:24px;
}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 26px;
  box-shadow:var(--shadow);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(22,208,138,.35);}
.stat-card .k{
  font-size:clamp(30px,3.4vw,44px);
  font-weight:800;
  color:var(--brand-deep);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-1px;
}
.stat-card .k small{font-size:14px;font-weight:600;color:var(--text-muted);margin-left:6px;letter-spacing:0;}
.stat-card h3{font-size:17px;margin:12px 0 8px;}
.stat-card p{color:var(--text-muted);font-size:15px;line-height:1.8;margin:0;}
.stat-card.dark{
  background:linear-gradient(150deg,var(--bg-dark),#0E1F19);
  border:1px solid rgba(22,208,138,.18);
  box-shadow:var(--shadow-dark);
}
.stat-card.dark h3{color:#FFFFFF;}
.stat-card.dark p{color:var(--text-invert-muted);}
.stat-card.dark .k{color:var(--accent-2);}

/* ---------- 更新提醒列表 ---------- */
.update-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.update-item{
  display:grid;
  grid-template-columns:120px 1fr auto;
  gap:18px;
  align-items:center;
  padding:22px 28px;
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
}
.update-item:last-child{border-bottom:none;}
.update-item:hover{background:rgba(22,208,138,.05);}
.update-item .u-date{
  color:var(--text-muted);
  font-size:14px;
  font-variant-numeric:tabular-nums;
}
.update-item h3{font-size:17px;margin-bottom:6px;line-height:1.5;}
.update-item p{color:var(--text-muted);font-size:15px;margin:0;line-height:1.8;}
.update-item .u-link{
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:10px 30px;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 0 22px 0;
  background:none;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text-strong);
  cursor:pointer;
  position:relative;
  transition:color .24s var(--ease);
}
.faq-q::before{
  content:"";
  position:absolute;
  left:-30px;
  top:26px;
  bottom:26px;
  width:3px;
  border-radius:3px;
  background:var(--brand);
  opacity:0;
  transition:opacity .24s var(--ease);
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-q:hover{color:var(--brand-deep);}
.faq-q .arrow{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.faq-q .arrow svg{width:12px;height:12px;}
.faq-item.open .faq-q .arrow{
  transform:rotate(180deg);
  background:var(--brand);
  border-color:var(--brand);
}
.faq-item.open .faq-q .arrow svg path{stroke:#06231A;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  color:var(--text-muted);
  font-size:15px;
  line-height:1.85;
  padding:0 46px 24px 0;
  margin:0;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--bg-dark) 0%,#10352A 60%,#0B8F63 130%);
  border-radius:var(--radius-lg);
  border:1px solid rgba(22,208,138,.22);
  box-shadow:var(--shadow-dark);
  padding:44px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band h2{
  color:#FFFFFF;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  margin-bottom:12px;
  letter-spacing:-.3px;
}
.cta-band p{color:var(--text-invert-muted);font-size:16px;margin:0;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

.btn-brand{
  display:inline-block;
  padding:13px 30px;
  border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08211A;
  font-weight:700;
  font-size:16px;
  line-height:1.5;
  border:none;
  transition:transform .24s var(--ease),filter .24s var(--ease);
}
.btn-brand:hover{color:#08211A;text-decoration:none;filter:brightness(1.06);transform:scale(1.02);}
.btn-brand:active{transform:scale(.98);}
.btn-ghost{
  display:inline-block;
  padding:13px 28px;
  border-radius:var(--radius-btn);
  background:transparent;
  border:1px solid rgba(233,242,238,.35);
  color:var(--text-invert);
  font-weight:600;
  font-size:16px;
  line-height:1.5;
  transition:all .24s var(--ease);
}
.btn-ghost:hover{
  color:#FFFFFF;
  text-decoration:none;
  border-color:var(--brand);
  background:rgba(22,208,138,.12);
  transform:scale(1.02);
}
.btn-outline-brand{
  display:inline-block;
  padding:12px 26px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(22,208,138,.5);
  color:var(--brand-deep);
  font-weight:600;
  font-size:15.5px;
  line-height:1.5;
  background:transparent;
  transition:all .24s var(--ease);
}
.btn-outline-brand:hover{
  background:rgba(22,208,138,.10);
  color:var(--brand-ink);
  text-decoration:none;
  transform:scale(1.02);
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--bg-dark);
  color:var(--text-invert-muted);
  padding:64px 0 0;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),var(--accent-2),transparent);
}
.footer-grid{padding-bottom:44px;}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-text{font-size:17px;}
.footer-desc{color:var(--text-invert-muted);font-size:15px;line-height:1.85;margin:0;max-width:360px;}
.footer-col h3{
  color:#FFFFFF;
  font-size:15px;
  font-weight:700;
  letter-spacing:.4px;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{color:var(--text-invert-muted);font-size:14.5px;transition:color .24s var(--ease);}
.footer-col a:hover{color:var(--brand);text-decoration:none;}
.footer-col .plain{color:var(--text-invert-muted);font-size:14.5px;}
.footer-bottom{
  border-top:1px solid rgba(233,242,238,.10);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  justify-content:space-between;
  font-size:13.5px;
  color:var(--text-invert-muted);
  font-variant-numeric:tabular-nums;
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:22px;
  bottom:26px;
  width:46px;
  height:46px;
  border-radius:50%;
  border:none;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#FFFFFF;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 16px 32px -14px rgba(11,143,99,.75);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:all .26s var(--ease);
  z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top svg{width:18px;height:18px;}
.to-top:hover{filter:brightness(1.08);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .phase-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-grid .stat-card:first-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .mainnav .container{min-height:62px;flex-wrap:wrap;}
  .navbar-collapse{
    background:#0A1712;
    border:1px solid rgba(22,208,138,.18);
    border-radius:18px;
    margin:10px 0 16px;
    padding:8px 4px 14px;
  }
  .nav-main{flex-direction:column;align-items:stretch;gap:0;}
  .nav-main .nav-link{padding:13px 18px;font-size:15.5px;}
  .nav-main .nav-link::after{left:18px;right:auto;width:22px;bottom:8px;}
  .nav-right{padding:6px 16px 4px;}
  .btn-nav-cta{display:block;text-align:center;}
  .anchor-nav{top:62px;}
  .steps{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .timeline-wrap{padding:28px 22px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .topbar .tb-tip{display:none;}
  .topbar-inner{justify-content:space-between;}
  .cat-hero{padding:40px 0 36px;}
  .cat-hero .lead{font-size:16px;}
  .badge-stat{padding:8px 14px;}
  .badge-stat strong{font-size:18px;}
  .section{padding:56px 0;}
  .steps{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-27px;width:16px;height:16px;}
  .tl-time{min-width:auto;font-size:20px;}
  .update-item{grid-template-columns:1fr;gap:8px;padding:20px;}
  .update-item .u-link{justify-self:start;}
  .faq-wrap{padding:6px 20px;}
  .faq-q{font-size:16px;}
  .faq-q::before{left:-20px;}
  .faq-a p{padding-right:0;}
  .panel{padding:24px 20px;}
  .footer-bottom{justify-content:center;text-align:center;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --brand:#16D08A;
  --brand-deep:#0B8F63;
  --brand-ink:#0C1512;
  --accent:#FF6A2B;
  --accent-2:#C6F04A;
  --bg-dark:#0C1512;
  --bg-soft:#F5F8F6;
  --surface:#FFFFFF;
  --line:rgba(12,21,18,.10);
  --text-strong:#14201C;
  --text-muted:#5A6B64;
  --text-invert:#E9F2EE;
  --text-invert-muted:#9BB2AA;
  --radius-lg:28px;
  --radius:22px;
  --radius-sm:14px;
  --shadow-card:0 18px 40px -20px rgba(6,26,20,.35);
  --shadow-card-hover:0 26px 52px -22px rgba(6,26,20,.45);
  --shadow-dark:0 24px 60px -28px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
  --gap-section:96px;

  --bs-primary:#16D08A;
  --bs-body-bg:#F5F8F6;
  --bs-body-color:#14201C;
  --bs-border-radius:14px;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-strong);
  background:var(--bg-soft);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .24s var(--ease),text-underline-offset .24s var(--ease);}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.3px;color:var(--text-strong);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:8px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--brand-ink);
  border-bottom:1px solid rgba(22,208,138,.12);
  color:var(--text-invert-muted);
  font-size:13px;
  line-height:1;
  min-height:38px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;align-items:center;gap:18px;width:100%;
  justify-content:space-between;padding-top:8px;padding-bottom:8px;
}
.topbar-domain{color:var(--text-invert);letter-spacing:.4px;font-weight:600;}
.topbar-tip{
  display:flex;align-items:center;gap:8px;color:var(--text-invert-muted);
  flex:1 1 auto;min-width:0;justify-content:center;
}
.topbar-dot{
  width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none;
  box-shadow:0 0 0 4px rgba(22,208,138,.16);
  animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
  0%,100%{transform:scale(1);opacity:1;}
  50%{transform:scale(1.25);opacity:.7;}
}
.topbar-tip span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-actions{display:flex;align-items:center;gap:14px;flex:none;}
.topbar-link{color:var(--text-invert-muted);font-size:13px;}
.topbar-link:hover{color:var(--brand);}
.topbar-cta{
  display:inline-block;padding:7px 16px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F;font-weight:700;font-size:13px;
  transition:filter .24s var(--ease),transform .24s var(--ease);
}
.topbar-cta:hover{filter:brightness(1.06);transform:scale(1.02);color:#08150F;text-decoration:none;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(12,21,18,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(22,208,138,.10);
  transition:background .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(12,21,18,.97);
  box-shadow:0 14px 34px -22px rgba(0,0,0,.85);
  border-bottom-color:rgba(22,208,138,.24);
}
.mainnav{padding:0;min-height:68px;}
.mainnav .container{display:flex;align-items:center;gap:18px;min-height:68px;}
.brand-logo{display:flex;align-items:center;gap:10px;text-decoration:none;padding:0;}
.brand-logo:hover{text-decoration:none;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -12px rgba(22,208,138,.9);
}
.logo-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:18px;font-weight:800;color:var(--text-invert);
  letter-spacing:-.2px;white-space:nowrap;
}
.nav-main{gap:6px;}
.nav-main .nav-link{
  position:relative;
  color:var(--text-invert-muted);
  font-size:15px;font-weight:500;
  padding:10px 12px;
  transition:color .24s var(--ease);
}
.nav-main .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:3px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-main .nav-link:hover{color:var(--text-invert);}
.nav-main .nav-link:hover::after{transform:scaleX(.55);}
.nav-main .nav-link.active{color:#fff;font-weight:700;}
.nav-main .nav-link.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;flex:none;}
.btn-nav-cta{
  display:inline-block;padding:10px 22px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#08150F;font-weight:700;font-size:14.5px;
  box-shadow:0 12px 26px -14px rgba(22,208,138,.85);
  transition:filter .24s var(--ease),transform .24s var(--ease);
}
.btn-nav-cta:hover{filter:brightness(1.08);transform:scale(1.02);color:#08150F;text-decoration:none;}
.btn-nav-cta:active{transform:scale(.98);}
.navbar-toggler{
  border:1px solid rgba(22,208,138,.28);
  border-radius:12px;padding:10px 12px;background:rgba(255,255,255,.04);
  display:inline-flex;align-items:center;justify-content:center;
}
.navbar-toggler:focus{box-shadow:0 0 0 2px var(--accent-2);}
.navbar-toggler-icon{
  display:block;width:22px;height:2px;border-radius:2px;
  background:var(--text-invert);position:relative;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after{
  content:"";position:absolute;left:0;width:22px;height:2px;border-radius:2px;background:inherit;
}
.navbar-toggler-icon::before{top:-7px;}
.navbar-toggler-icon::after{top:7px;}

/* ---------- 窄版 Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,rgba(12,21,18,.88),rgba(11,143,99,.55)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:var(--text-invert);
  padding:56px 0 48px;
  border-bottom:1px solid rgba(22,208,138,.14);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 220px at 88% 0%,rgba(198,240,74,.14),transparent 70%),
    radial-gradient(520px 260px at 6% 100%,rgba(255,106,43,.14),transparent 72%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-invert-muted);margin-bottom:18px;
}
.crumb a{color:var(--text-invert-muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--text-invert);font-weight:600;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(22,208,138,.14);
  border:1px solid rgba(22,208,138,.34);
  color:var(--brand);font-size:13px;font-weight:600;margin-bottom:18px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:900px;
  margin-bottom:16px;
}
.hero-sub{
  color:var(--text-invert-muted);
  font-size:17px;line-height:1.8;max-width:680px;margin-bottom:26px;
}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px;}
.metric-chip{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(22,208,138,.22);
  color:var(--text-invert);font-size:13px;
}
.metric-chip b{font-size:20px;font-weight:800;color:var(--brand);}
.metric-chip i{font-style:normal;color:var(--text-invert-muted);font-size:12px;}

/* ---------- 锚点导航 ---------- */
.anchor-bar{
  position:sticky;top:68px;z-index:1020;
  background:rgba(245,248,246,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-scroll{
  display:flex;gap:8px;overflow-x:auto;padding:12px 0;
  scrollbar-width:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:none;
  padding:8px 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  color:var(--text-muted);font-size:14px;font-weight:600;white-space:nowrap;
  transition:all .24s var(--ease);
}
.anchor-scroll a:hover{
  color:var(--brand-deep);border-color:rgba(22,208,138,.5);text-decoration:none;
  transform:translateY(-2px);
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--gap-section) 0;}
.section-tight{padding-top:64px;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .tag{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:rgba(22,208,138,.12);border:1px solid rgba(22,208,138,.3);
  color:var(--brand-deep);font-size:12.5px;font-weight:700;letter-spacing:.4px;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;margin-bottom:14px;
}
.section-head p{color:var(--text-muted);font-size:16.5px;}

/* ---------- 两栏对照 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);
  gap:32px;
  align-items:start;
}
.split.reverse{grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  padding:32px;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.panel:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(22,208,138,.4);
}
.panel h3{font-size:21px;line-height:1.4;font-weight:700;margin-bottom:12px;}
.panel p{color:var(--text-muted);font-size:16px;line-height:1.85;}
.panel-dark{
  background:linear-gradient(140deg,#122019,#0C1512 70%);
  border:1px solid rgba(22,208,138,.22);
  box-shadow:var(--shadow-dark);
  color:var(--text-invert);
}
.panel-dark h3{color:#fff;}
.panel-dark p{color:var(--text-invert-muted);}
.media-frame{
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:linear-gradient(135deg,rgba(22,208,138,.18),rgba(198,240,74,.14));
  aspect-ratio:16/10;
  margin-bottom:22px;
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;
  color:var(--text-muted);font-size:15.5px;line-height:1.75;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--brand));
}
.panel-dark .check-list li{color:var(--text-invert-muted);}
.panel-dark .check-list li::before{background:var(--accent-2);}

/* ---------- 要点表 ---------- */
.spec-table{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.spec-head{
  padding:20px 26px;
  background:linear-gradient(135deg,rgba(22,208,138,.12),rgba(198,240,74,.08));
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.spec-head h3{font-size:19px;font-weight:700;}
.spec-head span{font-size:13px;color:var(--text-muted);}
.spec-row{
  display:grid;
  grid-template-columns:1.1fr 1fr 1fr .9fr;
  gap:14px;
  padding:16px 26px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  align-items:center;
  transition:background .22s var(--ease);
}
.spec-row:last-child{border-bottom:0;}
.spec-row:hover{background:rgba(22,208,138,.05);}
.spec-row.head{
  font-size:13px;font-weight:700;color:var(--text-muted);
  letter-spacing:.3px;background:rgba(12,21,18,.03);
}
.spec-row .cell-strong{font-weight:700;color:var(--text-strong);}
.spec-row .cell{color:var(--text-muted);}
.pill-num{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(22,208,138,.14);color:var(--brand-deep);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.pill-num.orange{background:rgba(255,106,43,.14);color:#C6491A;}
.pill-num.lime{background:rgba(198,240,74,.28);color:#4E6B10;}

/* ---------- 判定条件卡 ---------- */
.rule-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);
  padding:22px 24px;
  box-shadow:var(--shadow-card);
  margin-bottom:16px;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-left-color .26s var(--ease);
}
.rule-card:last-child{margin-bottom:0;}
.rule-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-left-color:var(--accent);
}
.rule-card h4{font-size:17px;font-weight:700;margin-bottom:8px;}
.rule-card p{color:var(--text-muted);font-size:15px;line-height:1.75;margin:0;}
.rule-card.warn{border-left-color:var(--accent);}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  margin-top:8px;
  padding-left:30px;
}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(22,208,138,.12));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;
  width:20px;height:20px;border-radius:50%;
  background:var(--surface);
  border:3px solid var(--brand);
  box-shadow:0 0 0 5px rgba(22,208,138,.12);
}
.tl-item.is-current::before{
  background:var(--accent);
  border-color:var(--accent);
  box-shadow:0 0 0 6px rgba(255,106,43,.16);
  animation:breathe 2.8s var(--ease) infinite;
}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 5px rgba(255,106,43,.16);}
  50%{box-shadow:0 0 0 11px rgba(255,106,43,.05);}
}
.tl-time{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand-deep);
  background:rgba(22,208,138,.12);border-radius:999px;padding:3px 12px;margin-bottom:8px;
  font-variant-numeric:tabular-nums;
}
.tl-item h4{font-size:17px;font-weight:700;margin-bottom:6px;}
.tl-item p{color:var(--text-muted);font-size:15px;line-height:1.75;margin:0;}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 22px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(22,208,138,.4);
}
.step-no{
  width:42px;height:42px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#08150F;font-weight:800;font-size:17px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-card h4{font-size:17px;font-weight:700;margin-bottom:8px;}
.step-card p{color:var(--text-muted);font-size:14.5px;line-height:1.75;margin:0;}
.step-card .hint{
  display:block;margin-top:12px;font-size:13px;color:var(--brand-deep);font-weight:600;
}

/* ---------- 进度条 ---------- */
.progress-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  padding:28px 32px;
}
.progress-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap;
}
.progress-head h3{font-size:18px;font-weight:700;}
.progress-head .pct{font-size:24px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;}
.progress-track{
  height:10px;border-radius:999px;background:rgba(12,21,18,.08);overflow:hidden;
}
.progress-fill{
  height:100%;width:72%;border-radius:999px;
  background:linear-gradient(90deg,var(--accent),var(--brand));
}
.progress-note{margin-top:14px;font-size:14px;color:var(--text-muted);}

/* ---------- 徽章轨道 ---------- */
.badge-rail{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
}
.badge-rail::-webkit-scrollbar{height:8px;}
.badge-rail::-webkit-scrollbar-thumb{background:rgba(22,208,138,.35);border-radius:999px;}
.badge-rail::-webkit-scrollbar-track{background:rgba(12,21,18,.05);border-radius:999px;}
.badge-card{
  flex:0 0 268px;scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.badge-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(22,208,138,.42);
}
.badge-card .label{font-size:13px;color:var(--text-muted);margin-bottom:10px;}
.badge-card .value{
  font-size:30px;font-weight:800;color:var(--text-strong);line-height:1.1;
  font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.badge-card .value small{font-size:13px;font-weight:600;color:var(--text-muted);margin-left:4px;}
.badge-card p{font-size:14.5px;color:var(--text-muted);line-height:1.7;margin:10px 0 0;}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  padding:8px 30px;
}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-item:last-child{border-bottom:0;}
.accordion-button{
  background:transparent;color:var(--text-strong);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:22px 46px 22px 16px;
  border-left:3px solid transparent;
  box-shadow:none;border-radius:0;
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.accordion-button:not(.collapsed){
  color:var(--brand-deep);background:transparent;box-shadow:none;
  border-left-color:var(--brand);
}
.accordion-button:hover{color:var(--brand-deep);}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--accent-2);outline-offset:-3px;}
.accordion-button::after{
  width:18px;height:18px;background-size:18px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230B8F63'%3E%3Cpath d='M1.6 4.6 8 11l6.4-6.4-1.3-1.3L8 8.4 2.9 3.3z'/%3E%3C/svg%3E");
  transition:transform .22s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(-180deg);}
.accordion-body{
  padding:0 16px 24px 16px;color:var(--text-muted);font-size:15px;line-height:1.85;
  border-left:3px solid var(--brand);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(12,21,18,.94),rgba(11,143,99,.72)),url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-dark);
  padding:52px 48px;
  color:var(--text-invert);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;margin-bottom:12px;}
.cta-band p{color:var(--text-invert-muted);font-size:16px;max-width:620px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-primary-solid{
  display:inline-block;padding:14px 30px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F;font-weight:700;font-size:15.5px;
  box-shadow:0 14px 30px -16px rgba(255,106,43,.9);
  transition:filter .24s var(--ease),transform .24s var(--ease);
}
.btn-primary-solid:hover{filter:brightness(1.07);transform:scale(1.02);color:#08150F;text-decoration:none;}
.btn-primary-solid:active{transform:scale(.98);}
.btn-ghost{
  display:inline-block;padding:14px 30px;border-radius:999px;
  border:1px solid rgba(22,208,138,.45);
  background:rgba(255,255,255,.05);
  color:var(--text-invert);font-weight:600;font-size:15.5px;
  transition:all .24s var(--ease);
}
.btn-ghost:hover{
  background:rgba(22,208,138,.16);border-color:var(--brand);
  color:#fff;text-decoration:none;transform:scale(1.02);
}
.btn-outline-dark-soft{
  display:inline-block;padding:12px 26px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  color:var(--text-strong);font-weight:600;font-size:15px;
  transition:all .24s var(--ease);
}
.btn-outline-dark-soft:hover{
  border-color:var(--brand);color:var(--brand-deep);text-decoration:none;transform:scale(1.02);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-ink);
  color:var(--text-invert-muted);
  border-top:1px solid rgba(22,208,138,.35);
  position:relative;
  padding:64px 0 26px;
  margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),var(--accent-2),transparent);
}
.footer-grid{padding-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-desc{font-size:14.5px;line-height:1.85;color:var(--text-invert-muted);max-width:340px;margin:0;}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:var(--text-invert-muted);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--brand);}
.footer-col ul li .plain{font-size:14.5px;color:var(--text-invert-muted);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:22px;
  display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(155,178,170,.85);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:1040;
  width:46px;height:46px;border-radius:50%;
  border:0;background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#08150F;display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 32px -14px rgba(22,208,138,.9);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .26s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{filter:brightness(1.08);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--gap-section:80px;}
  .spec-row{grid-template-columns:1.1fr 1fr 1fr;font-size:14.5px;}
  .spec-row .cell-last{display:none;}
}
@media (max-width:991.98px){
  :root{--gap-section:64px;}
  .mainnav .container{min-height:64px;flex-wrap:wrap;}
  .navbar-collapse{
    background:rgba(12,21,18,.98);
    border:1px solid rgba(22,208,138,.2);
    border-radius:18px;
    margin-top:12px;padding:14px;width:100%;
  }
  .nav-main{gap:2px;}
  .nav-main .nav-link{padding:12px 10px;font-size:15.5px;}
  .nav-main .nav-link::after{left:10px;right:auto;width:34px;}
  .nav-right{width:100%;margin-top:12px;}
  .btn-nav-cta{width:100%;text-align:center;}
  .anchor-bar{top:64px;}
  .split,.split.reverse{grid-template-columns:minmax(0,1fr);}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .page-hero{padding:44px 0 40px;}
  .page-hero h1{font-size:clamp(28px,6vw,40px);}
  .cta-band{padding:40px 28px;}
  .topbar-tip{display:none;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .spec-row{
    grid-template-columns:1fr;
    gap:6px;
    padding:18px 20px;
  }
  .spec-row .cell-last{display:block;}
  .spec-row.head{display:none;}
  .spec-row .cell-strong{font-size:16px;}
  .panel{padding:24px;}
  .faq-wrap{padding:8px 18px;}
  .accordion-button{font-size:16px;padding:18px 40px 18px 14px;}
  .progress-wrap{padding:22px;}
  .footer-bottom{justify-content:center;text-align:center;}
}
@media (max-width:575.98px){
  .steps{grid-template-columns:minmax(0,1fr);}
  .page-hero h1{font-size:clamp(26px,7.6vw,34px);}
  .hero-sub{font-size:15.5px;}
  .brand-text{font-size:16px;}
  .logo-mark{width:34px;height:34px;}
  .topbar-cta{padding:6px 13px;font-size:12.5px;}
  .cta-band{padding:32px 20px;border-radius:22px;}
  .btn-primary-solid,.btn-ghost{width:100%;text-align:center;}
  .cta-actions{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand:#16D08A;
  --brand-deep:#0B8F63;
  --brand-ink:#0C1512;
  --accent:#FF6A2B;
  --accent-2:#C6F04A;
  --bg-dark:#0C1512;
  --bg-soft:#F5F8F6;
  --surface:#FFFFFF;
  --line:rgba(12,21,18,.10);
  --text-strong:#14201C;
  --text-muted:#5A6B64;
  --text-invert:#E9F2EE;
  --text-invert-muted:#9BB2AA;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-card:0 18px 40px -20px rgba(6,26,20,.35);
  --sh-card-hover:0 26px 52px -22px rgba(6,26,20,.45);
  --sh-dark:0 24px 60px -28px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sec-y:96px;
  --bs-primary:#16D08A;
  --bs-body-bg:#F5F8F6;
  --bs-body-color:#14201C;
  --bs-border-radius:14px;
  --bs-link-color:#0B8F63;
  --bs-link-hover-color:#0B8F63;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-soft);
  color:var(--text-strong);
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-deep);text-decoration:none;text-underline-offset:3px;transition:color .24s var(--ease),text-decoration-color .24s var(--ease)}
a:hover{color:var(--brand-deep);text-decoration:underline}
h1,h2,h3,h4{color:var(--text-strong);margin:0;letter-spacing:-.2px}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1320px}}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--bg-dark);
  border-bottom:1px solid rgba(22,208,138,.14);
  color:var(--text-invert-muted);
  font-size:13px;
  min-height:38px;
}
.topbar .container{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:38px;
}
.topbar-domain{
  color:var(--text-invert);
  font-weight:600;
  letter-spacing:.4px;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.topbar-tip{
  flex:1 1 auto;
  min-width:0;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  color:var(--text-invert-muted);
}
.topbar-tip b{color:var(--accent-2);font-weight:600}
.topbar-actions{display:flex;align-items:center;gap:14px;white-space:nowrap}
.topbar-actions a.soft-link{color:var(--text-invert-muted);font-size:13px}
.topbar-actions a.soft-link:hover{color:var(--accent-2);text-decoration:none}
.topbar-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F;
  font-size:13px;
  font-weight:700;
  transition:transform .24s var(--ease),filter .24s var(--ease);
}
.topbar-cta:hover{color:#08150F;text-decoration:none;transform:translateY(-1px);filter:brightness(1.06)}
@media (max-width:767.98px){
  .topbar-tip,.topbar-actions .soft-link{display:none}
  .topbar .container{justify-content:space-between}
}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030}
.mainnav{
  background:rgba(12,21,18,.80);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(22,208,138,.12);
  padding:0;
  transition:background .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-scrolled .mainnav{
  background:rgba(12,21,18,.97);
  box-shadow:0 14px 34px -22px rgba(0,0,0,.85);
}
.mainnav .container{min-height:70px;display:flex;align-items:center;gap:14px}
.brand-logo{display:flex;align-items:center;gap:10px;padding:0;margin:0}
.brand-logo:hover{text-decoration:none}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--accent-2));
  box-shadow:0 8px 18px -10px rgba(22,208,138,.9);
}
.logo-mark svg{width:22px;height:22px}
.brand-text{
  color:var(--text-invert);
  font-size:18px;
  font-weight:800;
  letter-spacing:.2px;
  white-space:nowrap;
}
.nav-main{gap:4px}
.nav-main .nav-link{
  position:relative;
  color:var(--text-invert-muted);
  font-size:15px;
  padding:10px 12px;
  transition:color .22s var(--ease);
}
.nav-main .nav-link::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:3px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-main .nav-link:hover{color:var(--text-invert)}
.nav-main .nav-link:hover::after{transform:scaleX(1)}
.nav-main .nav-link.active{color:#fff;font-weight:600}
.nav-main .nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:10px}
.btn-nav-cta{
  display:inline-flex;align-items:center;
  padding:9px 20px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#04160E;
  font-size:14px;font-weight:700;
  transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
  box-shadow:0 12px 26px -16px rgba(22,208,138,.9);
}
.btn-nav-cta:hover{color:#04160E;text-decoration:none;transform:translateY(-2px) scale(1.02);filter:brightness(1.06)}
.btn-nav-cta:active{transform:scale(.98)}
.navbar-toggler{
  border:1px solid rgba(233,242,238,.28);
  border-radius:10px;
  padding:6px 9px;
}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--accent-2);outline-offset:2px}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23E9F2EE' stroke-width='2.4' stroke-linecap='round' d='M5 9h20M5 15h20M5 21h20'/%3E%3C/svg%3E");
  width:22px;height:22px;
}
@media (max-width:991.98px){
  .mainnav .container{flex-wrap:wrap;padding-top:10px;padding-bottom:10px;min-height:64px}
  .nav-main{width:100%;margin-top:12px;gap:2px}
  .nav-main .nav-link{padding:11px 4px;border-bottom:1px solid rgba(233,242,238,.08)}
  .nav-main .nav-link::after{left:4px;right:auto;width:34px}
  .nav-right{width:100%;padding:14px 0 4px}
  .btn-nav-cta{width:100%;justify-content:center}
  .brand-text{font-size:16px}
}

/* ---------- 通用板块与标题 ---------- */
.section{padding:var(--sec-y) 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:44px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;
  background:rgba(22,208,138,.12);
  border:1px solid rgba(22,208,138,.28);
  color:var(--brand-deep);
  font-size:13px;font-weight:600;letter-spacing:.4px;
  margin-bottom:16px;
}
.eyebrow.on-dark{background:rgba(22,208,138,.14);border-color:rgba(22,208,138,.34);color:var(--accent-2)}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;margin-bottom:14px}
.section-head .sub{color:var(--text-muted);font-size:16px;margin:0}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:74px 0 58px;
  background:
    linear-gradient(135deg,rgba(12,21,18,.94),rgba(11,143,99,.62)),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:var(--text-invert);
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,rgba(22,208,138,0),rgba(22,208,138,.55),rgba(22,208,138,0));
}
.cat-hero .breadcrumb{--bs-breadcrumb-divider-color:rgba(233,242,238,.4);margin:0 0 18px;font-size:13px}
.cat-hero .breadcrumb a{color:var(--text-invert-muted)}
.cat-hero .breadcrumb a:hover{color:var(--accent-2)}
.cat-hero .breadcrumb-item.active{color:var(--text-invert)}
.cat-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:820px;
  margin-bottom:18px;
}
.cat-hero .hero-lead{
  color:var(--text-invert-muted);
  font-size:17px;
  max-width:660px;
  margin-bottom:28px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  font-size:13px;font-weight:600;
  border:1px solid rgba(22,208,138,.28);
  background:rgba(12,21,18,.55);
  color:var(--text-invert);
  backdrop-filter:blur(6px);
}
.badge-pill .val{font-size:19px;font-weight:800;color:var(--accent-2);font-variant-numeric:tabular-nums;letter-spacing:-.3px}
.badge-pill .unit{font-size:12px;color:var(--text-invert-muted);font-weight:500}
.badge-pill.light{background:rgba(233,242,238,.08)}

/* ---------- 页内锚点 ---------- */
.anchor-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 26px -24px rgba(6,26,20,.6);
}
.anchor-bar .container{
  display:flex;gap:10px;align-items:center;
  overflow-x:auto;
  padding-top:14px;padding-bottom:14px;
  scrollbar-width:none;
}
.anchor-bar .container::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--text-muted);
  font-size:14px;
  white-space:nowrap;
  transition:all .22s var(--ease);
}
.anchor-bar a:hover{
  border-color:rgba(22,208,138,.6);
  color:var(--brand-deep);
  text-decoration:none;
  background:rgba(22,208,138,.07);
}

/* ---------- 徽章卡片轨道 ---------- */
.track-wrap{position:relative}
.track{
  display:flex;
  gap:22px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 26px;
  scrollbar-width:thin;
  scrollbar-color:rgba(22,208,138,.5) rgba(12,21,18,.06);
}
.track::-webkit-scrollbar{height:8px}
.track::-webkit-scrollbar-thumb{background:rgba(22,208,138,.5);border-radius:99px}
.track::-webkit-scrollbar-track{background:rgba(12,21,18,.06);border-radius:99px}
.reward-card{
  flex:0 0 clamp(272px,30vw,330px);
  scroll-snap-align:start;
  background:var(--surface);
  border-radius:var(--r-md);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.reward-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-card-hover);
  border-color:rgba(22,208,138,.4);
}
.reward-card .media{
  position:relative;
  aspect-ratio:16/10;
  background:linear-gradient(135deg,#0C1512,#0B8F63);
  overflow:hidden;
}
.reward-card .media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.reward-card:hover .media img{transform:scale(1.04)}
.reward-card .media .tag{
  position:absolute;left:14px;top:14px;
  padding:5px 13px;border-radius:999px;
  background:rgba(12,21,18,.78);
  border:1px solid rgba(22,208,138,.32);
  color:var(--accent-2);
  font-size:12px;font-weight:600;
  backdrop-filter:blur(4px);
}
.reward-body{padding:20px 20px 0;flex:1 1 auto}
.reward-body h3{
  font-size:19px;line-height:1.35;font-weight:600;
  margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.reward-num{
  display:flex;align-items:baseline;gap:6px;
  margin-bottom:14px;
  color:var(--brand-deep);
}
.reward-num .val{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.5px;color:var(--brand-ink)}
.reward-num .unit{font-size:13px;color:var(--text-muted)}
.reward-body p{
  color:var(--text-muted);
  font-size:14.5px;
  line-height:1.75;
  margin:0 0 14px;
}
.reward-cond{
  font-size:13.5px;
  color:var(--text-muted);
  border-top:1px dashed var(--line);
  padding-top:12px;
}
.reward-cond b{color:var(--text-strong);font-weight:600}
.reward-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 20px 20px;
}
.reward-foot .time{
  font-size:13px;color:var(--text-muted);
  font-variant-numeric:tabular-nums;
}
.card-link{
  font-size:14px;font-weight:600;color:var(--brand-deep);
  display:inline-flex;align-items:center;gap:5px;
}
.card-link svg{width:14px;height:14px;transition:transform .22s var(--ease)}
.card-link:hover svg{transform:translateX(3px)}
.track-hint{
  font-size:13px;color:var(--text-muted);
  display:flex;align-items:center;gap:8px;
  margin-top:-6px;
}
.track-hint::before{
  content:"";width:26px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent-2));
}

/* ---------- 数值对比 ---------- */
.compare-panel{
  background:var(--surface);
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  padding:34px 32px;
}
.compare-row{
  display:grid;
  grid-template-columns:150px 1fr 132px;
  align-items:center;
  gap:20px;
  padding:18px 0;
  border-bottom:1px dashed var(--line);
}
.compare-row:last-child{border-bottom:0;padding-bottom:0}
.compare-row:first-child{padding-top:0}
.compare-name{font-weight:600;font-size:16px}
.compare-name span{display:block;font-size:12.5px;color:var(--text-muted);font-weight:400;margin-top:2px}
.bar{
  position:relative;
  height:12px;border-radius:99px;
  background:rgba(12,21,18,.07);
  overflow:hidden;
}
.bar i{
  position:absolute;left:0;top:0;bottom:0;
  border-radius:99px;
  background:linear-gradient(90deg,var(--brand-deep),var(--brand));
  display:block;
}
.compare-row.high .bar i{background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.compare-val{
  text-align:right;
  font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:800;color:var(--brand-ink);
  letter-spacing:-.4px;
}
.compare-val small{display:block;font-size:12px;font-weight:500;color:var(--text-muted);letter-spacing:0}
.compare-note{
  margin-top:26px;
  padding:16px 18px;
  border-radius:var(--r-sm);
  background:rgba(22,208,138,.08);
  border-left:3px solid var(--brand);
  color:var(--text-muted);
  font-size:14px;
}
.compare-side{
  background:linear-gradient(160deg,#0C1512,#12483A);
  border-radius:var(--r-lg);
  color:var(--text-invert);
  padding:32px 30px;
  border:1px solid rgba(22,208,138,.18);
  box-shadow:var(--sh-dark);
  height:100%;
}
.compare-side h3{color:#fff;font-size:22px;margin-bottom:14px}
.compare-side p{color:var(--text-invert-muted);font-size:14.5px}
.side-metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.side-metrics div{
  background:rgba(233,242,238,.06);
  border:1px solid rgba(22,208,138,.16);
  border-radius:var(--r-sm);
  padding:14px 16px;
}
.side-metrics .m-val{font-size:23px;font-weight:800;color:var(--accent-2);font-variant-numeric:tabular-nums}
.side-metrics .m-lab{font-size:12.5px;color:var(--text-invert-muted)}

/* ---------- 领取流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px;
  position:relative;
  box-shadow:var(--sh-card);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.flow-step:hover{transform:translateY(-4px);border-color:rgba(22,208,138,.38)}
.flow-step .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--accent-2));
  color:#08150F;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--text-muted);margin:0}
.flow-step.current{border-color:rgba(22,208,138,.5);box-shadow:0 22px 46px -24px rgba(22,208,138,.6)}
.flow-progress{margin-top:34px}
.flow-progress .label{
  display:flex;justify-content:space-between;align-items:baseline;
  font-size:14px;color:var(--text-muted);margin-bottom:10px;
}
.flow-progress .label b{font-size:18px;color:var(--brand-ink);font-variant-numeric:tabular-nums}
.progress-line{height:10px;border-radius:99px;background:rgba(12,21,18,.08);overflow:hidden}
.progress-line i{
  display:block;height:100%;
  border-radius:99px;
  background:linear-gradient(90deg,var(--brand-deep),var(--brand),var(--accent-2));
  animation:breathe 3.2s ease-in-out infinite;
}
@keyframes breathe{0%,100%{filter:brightness(1)}50%{filter:brightness(1.16)}}

/* ---------- 核对要点 ---------- */
.check-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:30px 28px;
  box-shadow:var(--sh-card);
}
.check-card h3{font-size:21px;margin-bottom:16px}
.check-list li{
  display:flex;gap:12px;
  padding:13px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--text-muted);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li b{color:var(--text-strong);font-weight:600}
.dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:var(--brand);margin-top:11px;
}
.dot.orange{background:var(--accent)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.accordion-item:first-child{border-top:1px solid var(--line)}
.accordion-button{
  background:transparent;
  color:var(--text-strong);
  font-size:17px;
  font-weight:600;
  padding:22px 46px 22px 18px;
  box-shadow:none;
  border-radius:0;
  position:relative;
  transition:color .22s var(--ease);
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:center;
  transition:transform .24s var(--ease);
}
.accordion-button:not(.collapsed){color:var(--brand-deep);background:rgba(22,208,138,.05)}
.accordion-button:not(.collapsed)::before{transform:scaleY(1)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--accent-2);outline-offset:-2px}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230B8F63'%3E%3Cpath d='M8 11.5 2.8 6.3l1-1L8 9.5l4.2-4.2 1 1z'/%3E%3C/svg%3E");
  width:16px;height:16px;background-size:16px;
  transition:transform .24s var(--ease);
}
.accordion-body{
  padding:0 46px 24px 18px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-muted);
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,#0C1512 0%,#12483A 60%,#0B8F63 100%);
  border-radius:var(--r-lg);
  padding:44px 46px;
  color:var(--text-invert);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  border:1px solid rgba(22,208,138,.2);
  box-shadow:var(--sh-dark);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:var(--text-invert-muted);font-size:15px;margin:0;max-width:540px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 30px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F;font-weight:700;font-size:15px;
  border:0;
  transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
  box-shadow:0 16px 34px -18px rgba(255,106,43,.8);
}
.btn-main:hover{color:#08150F;text-decoration:none;transform:translateY(-2px) scale(1.02);filter:brightness(1.06)}
.btn-main:active{transform:scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;border-radius:999px;
  border:1px solid rgba(233,242,238,.35);
  color:var(--text-invert);font-weight:600;font-size:15px;
  background:transparent;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{
  color:#fff;text-decoration:none;
  border-color:var(--accent-2);
  background:rgba(198,240,74,.10);
}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 26px;border-radius:999px;
  border:1px solid rgba(22,208,138,.5);
  color:var(--brand-deep);font-weight:600;font-size:14.5px;
  background:transparent;
  transition:all .22s var(--ease);
}
.btn-outline-brand:hover{background:rgba(22,208,138,.10);text-decoration:none;border-color:var(--brand)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;
  background:var(--bg-dark);
  color:var(--text-invert-muted);
  padding:64px 0 26px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(22,208,138,0),var(--brand),rgba(198,240,74,.8),rgba(22,208,138,0));
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;max-width:340px;margin:0}
.footer-col h3{
  color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.3px;
}
.footer-col ul li{margin-bottom:11px;font-size:14px}
.footer-col a{color:var(--text-invert-muted)}
.footer-col a:hover{color:var(--accent-2);text-decoration:none}
.footer-col .plain{color:var(--text-invert-muted);font-size:14px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(233,242,238,.10);
  display:flex;flex-wrap:wrap;gap:12px 26px;
  font-size:13px;color:rgba(155,178,170,.85);
}
@media (max-width:767.98px){
  .footer-bottom{justify-content:center;text-align:center}
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;
  width:46px;height:46px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#04160E;border:0;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 18px 34px -18px rgba(22,208,138,.9);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .26s var(--ease);
  z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:brightness(1.06);transform:translateY(-2px)}
.to-top svg{width:20px;height:20px}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sec-y:84px}
}
@media (max-width:991.98px){
  :root{--sec-y:72px}
  .cat-hero{padding:56px 0 46px}
  .compare-row{grid-template-columns:1fr;gap:10px;padding:16px 0}
  .compare-val{text-align:left}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 auto}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:56px 0}
  .compare-panel{padding:24px 20px}
  .check-card{padding:24px 20px}
  .reward-card{flex:0 0 84%}
  .accordion-button{padding:18px 40px 18px 14px;font-size:16px}
  .accordion-body{padding:0 18px 20px 14px}
  .cat-hero h1{font-size:clamp(26px,7vw,34px)}
  .brand-text{white-space:normal;line-height:1.2}
}
@media (max-width:575.98px){
  .flow-grid{grid-template-columns:1fr}
  .side-metrics{grid-template-columns:1fr}
  .cta-band{padding:28px 20px}
  .topbar-cta{padding:5px 12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category4 */
:root{
  --brand:#16D08A;
  --brand-deep:#0B8F63;
  --brand-ink:#0C1512;
  --accent:#FF6A2B;
  --accent-2:#C6F04A;
  --bg-dark:#0C1512;
  --bg-soft:#F5F8F6;
  --surface:#FFFFFF;
  --line:rgba(12,21,18,.10);
  --line-strong:rgba(12,21,18,.18);
  --text-strong:#14201C;
  --text-muted:#5A6B64;
  --text-invert:#E9F2EE;
  --text-invert-muted:#9BB2AA;
  --r-xl:28px;
  --r-lg:22px;
  --r-md:14px;
  --r-sm:12px;
  --sh-card:0 18px 40px -20px rgba(6,26,20,.35);
  --sh-card-hover:0 26px 54px -22px rgba(6,26,20,.45);
  --sh-dark:0 24px 60px -28px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sec-y:96px;

  --bs-primary:#16D08A;
  --bs-primary-rgb:22,208,138;
  --bs-body-bg:#F5F8F6;
  --bs-body-color:#14201C;
  --bs-border-color:rgba(12,21,18,.10);
  --bs-border-radius:14px;
  --bs-border-radius-lg:22px;
  --bs-link-color:#0B8F63;
  --bs-link-hover-color:#16D08A;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-soft);
  color:var(--text-strong);
  font-family:var(--bs-body-font-family);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.1px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s var(--ease),text-underline-offset .22s var(--ease);}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;color:var(--text-strong);font-weight:700;letter-spacing:-.2px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--bg-dark);
  border-bottom:1px solid rgba(22,208,138,.12);
  min-height:38px;
  color:var(--text-invert-muted);
  font-size:13.5px;
}
.topbar-inner{
  display:flex;align-items:center;gap:18px;
  min-height:38px;padding:6px 0;
}
.topbar-domain{
  color:var(--text-invert);letter-spacing:.4px;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.topbar-tip{
  flex:1 1 auto;display:flex;align-items:center;gap:8px;
  color:var(--text-invert-muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.topbar-tip .dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto;
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}
.topbar-links{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.topbar-links a{color:var(--text-invert-muted);font-size:13.5px;}
.topbar-links a:hover{color:var(--brand);text-decoration:none;}
.topbar-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,#FF6A2B,#16D08A);
  color:#08150F!important;font-weight:700;font-size:13px;
  padding:5px 14px;border-radius:999px;
  transition:filter .22s var(--ease),transform .22s var(--ease);
}
.topbar-cta:hover{filter:brightness(1.06);transform:scale(1.02);text-decoration:none;}
.topbar-cta:active{transform:scale(.98);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(12,21,18,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(22,208,138,.12);
  transition:box-shadow .26s var(--ease),background .26s var(--ease);
}
.site-header.scrolled{
  background:rgba(9,16,13,.99);
  box-shadow:0 14px 34px -22px rgba(0,0,0,.9);
}
.mainnav{padding:0;min-height:68px;}
.mainnav .container{display:flex;align-items:center;min-height:68px;flex-wrap:wrap;}
.navbar-brand.brand-logo{
  display:flex;align-items:center;gap:10px;padding:0;margin-right:18px;
}
.logo-mark{
  width:36px;height:36px;flex:0 0 auto;border-radius:11px;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 22px -12px rgba(22,208,138,.85);
}
.logo-mark svg{width:22px;height:22px;display:block;}
.brand-text{
  color:var(--text-invert);font-size:18px;font-weight:800;letter-spacing:.2px;white-space:nowrap;
}
.navbar-toggler{
  border:1px solid rgba(22,208,138,.35);
  border-radius:12px;padding:7px 10px;background:transparent;
}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--accent-2);outline-offset:2px;}
.navbar-toggler-icon{
  width:22px;height:22px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316D08A' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M4 7h16M4 12h16M4 17h16'/%3E%3C/svg%3E");
  background-size:22px 22px;
}
.nav-main{gap:4px;}
.nav-main .nav-item{position:relative;}
.nav-main .nav-link{
  color:var(--text-invert-muted);
  font-size:15px;font-weight:600;
  padding:8px 12px;position:relative;
  transition:color .22s var(--ease);
}
.nav-main .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:3px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-main .nav-link:hover{color:var(--text-invert);}
.nav-main .nav-link:hover::after{transform:scaleX(1);}
.nav-main .nav-link.active{color:var(--text-invert);}
.nav-main .nav-link.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.btn-nav-cta{
  display:inline-flex;align-items:center;
  padding:9px 20px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F;font-weight:700;font-size:14.5px;
  transition:filter .22s var(--ease),transform .22s var(--ease);
}
.btn-nav-cta:hover{filter:brightness(1.06);transform:scale(1.02);text-decoration:none;color:#08150F;}
.btn-nav-cta:active{transform:scale(.98);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;
  background:#0C1512;
  color:var(--text-invert);
  overflow:hidden;
  padding:64px 0 58px;
  border-bottom:1px solid rgba(22,208,138,.16);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center 32%;
  opacity:.36;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 380px at 12% 0%,rgba(22,208,138,.30),transparent 62%),
    linear-gradient(135deg,rgba(12,21,18,.94),rgba(12,21,18,.72) 58%,rgba(12,21,18,.90));
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--text-invert-muted);margin-bottom:16px;
}
.crumb a{color:var(--text-invert-muted);}
.crumb a:hover{color:var(--brand);text-decoration:none;}
.crumb .sep{opacity:.5;}
.page-hero h1{
  color:#FFFFFF;
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.15;font-weight:800;letter-spacing:-.5px;
  max-width:900px;
}
.hero-sub{
  margin-top:18px;max-width:660px;
  color:var(--text-invert-muted);font-size:16.5px;line-height:1.85;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-badge{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 16px;border-radius:999px;
  background:rgba(22,208,138,.10);
  border:1px solid rgba(22,208,138,.28);
  color:var(--text-invert);
  font-size:13.5px;
  backdrop-filter:blur(4px);
}
.hero-badge b{font-size:19px;font-weight:800;color:var(--accent-2);font-variant-numeric:tabular-nums;}
.hero-badge span{color:var(--text-invert-muted);}

/* ---------- 锚点导航 ---------- */
.anchor-nav{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -26px rgba(6,26,20,.5);
}
.anchor-nav ul{
  display:flex;gap:8px;flex-wrap:wrap;padding:12px 0;
}
.anchor-nav a{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 16px;border-radius:999px;
  background:#EEF5F1;border:1px solid var(--line);
  color:var(--text-strong);font-size:14px;font-weight:600;
  transition:border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.anchor-nav a:hover{
  border-color:rgba(22,208,138,.65);color:var(--brand-deep);
  background:#E3F6EE;text-decoration:none;
}
.anchor-nav i{color:var(--brand-deep);font-size:15px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:linear-gradient(180deg,#F5F8F6,#EDF4F0);}
.sec-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--brand-deep);text-transform:uppercase;
  background:#E4F6EE;border:1px solid rgba(22,208,138,.28);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;}
.sec-head p{margin-top:14px;color:var(--text-muted);font-size:16px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;font-size:15px;white-space:nowrap;
}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-outline-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;
  font-size:15.5px;font-weight:700;
  transition:filter .22s var(--ease),transform .22s var(--ease),
             background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  cursor:pointer;border:1px solid transparent;
}
.btn-main{
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F;
}
.btn-main:hover{filter:brightness(1.06);transform:scale(1.02);text-decoration:none;color:#08150F;}
.btn-main:active{transform:scale(.98);}
.btn-outline-soft{
  background:transparent;border-color:var(--line-strong);color:var(--text-strong);
}
.btn-outline-soft:hover{border-color:var(--brand);color:var(--brand-deep);text-decoration:none;transform:scale(1.02);}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border-color:rgba(22,208,138,.38);
  color:var(--text-invert);
}
.btn-ghost:hover{background:rgba(22,208,138,.14);color:#fff;text-decoration:none;transform:scale(1.02);}

/* ---------- 速查参数表 ---------- */
.quick-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.quick-panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 26px;
  background:linear-gradient(135deg,rgba(22,208,138,.10),rgba(198,240,74,.10));
  border-bottom:1px solid var(--line);
}
.quick-panel-head h3{font-size:20px;font-weight:700;}
.quick-panel-head .hint{font-size:13.5px;color:var(--text-muted);}
.table-scroll{overflow-x:auto;}
.spec-table{
  width:100%;min-width:720px;border-collapse:separate;border-spacing:0;font-size:15px;
}
.spec-table thead th{
  background:#0C1512;color:var(--text-invert);
  font-weight:700;font-size:13.5px;letter-spacing:.6px;
  padding:14px 20px;text-align:left;white-space:nowrap;
}
.spec-table tbody td{
  padding:15px 20px;border-bottom:1px solid var(--line);
  color:var(--text-strong);vertical-align:middle;
}
.spec-table tbody tr:nth-child(even){background:#F7FBF9;}
.spec-table tbody tr:hover{background:#EEF8F3;}
.spec-table tbody tr:last-child td{border-bottom:none;}
.spec-table .col-type{font-weight:700;}
.spec-table .col-type i{color:var(--brand-deep);margin-right:8px;}
.tag-chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;
  background:#E4F6EE;color:var(--brand-deep);border:1px solid rgba(22,208,138,.3);
  white-space:nowrap;
}
.tag-chip.warn{background:#FFF1E8;color:#C24A12;border-color:rgba(255,106,43,.32);}
.tag-chip.lime{background:#F3FBDA;color:#5C7A0B;border-color:rgba(198,240,74,.55);}

/* ---------- 问答区 ---------- */
.qa-layout{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start;}
.qa-group{margin-bottom:26px;}
.qa-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:15px;font-weight:700;color:var(--brand-deep);
  letter-spacing:.6px;margin-bottom:12px;
}
.qa-group-title::after{
  content:"";flex:1;height:1px;background:linear-gradient(90deg,rgba(22,208,138,.5),transparent);
}
.accordion.qa-accordion{
  --bs-accordion-bg:var(--surface);
  --bs-accordion-border-color:var(--line);
  --bs-accordion-border-radius:var(--r-lg);
  --bs-accordion-inner-border-radius:var(--r-lg);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-active-bg:#F3FBF7;
  --bs-accordion-active-color:var(--text-strong);
}
.qa-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg)!important;
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 10px 26px -22px rgba(6,26,20,.55);
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.qa-accordion .accordion-item:hover{
  border-color:rgba(22,208,138,.45);
  box-shadow:0 16px 34px -22px rgba(6,26,20,.5);
}
.qa-accordion .accordion-button{
  background:var(--surface);
  color:var(--text-strong);
  font-size:17px;font-weight:600;line-height:1.55;
  padding:20px 58px 20px 22px;
  border:none;position:relative;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.qa-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:center;
  transition:transform .24s var(--ease);
}
.qa-accordion .accordion-button:not(.collapsed){
  background:#F3FBF7;color:var(--text-strong);
}
.qa-accordion .accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.qa-accordion .accordion-button:focus{box-shadow:none;}
.qa-accordion .accordion-button::after{
  position:absolute;right:22px;top:50%;
  width:18px;height:18px;margin:0;transform:translateY(-50%) rotate(0deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B8F63' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-size:18px 18px;transition:transform .24s var(--ease);
}
.qa-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(180deg);}
.qa-accordion .accordion-body{
  padding:4px 22px 22px 22px;
  color:var(--text-muted);font-size:15.5px;line-height:1.85;
  border-top:1px solid var(--line);
}
.qa-accordion .accordion-body strong{color:var(--text-strong);}
.qa-points{margin-top:10px;}
.qa-points li{
  position:relative;padding-left:18px;margin-bottom:7px;font-size:15px;color:var(--text-muted);
}
.qa-points li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:2px;background:var(--brand);
}

/* 侧栏 */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-card);
}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand-deep);}
.side-list li{
  display:flex;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--text-muted);
}
.side-list li:last-child{border-bottom:none;}
.side-list b{color:var(--text-strong);font-variant-numeric:tabular-nums;}
.side-note{
  margin-top:14px;padding:14px 16px;border-radius:var(--r-md);
  background:#F3FBF7;border-left:3px solid var(--brand);
  font-size:14px;color:var(--text-muted);
}

/* ---------- 处理流程 ---------- */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  counter-reset:flow;
}
.flow-step{
  position:relative;padding:0 22px 0 0;
}
.flow-step::after{
  content:"";position:absolute;top:19px;left:44px;right:6px;height:2px;
  background:linear-gradient(90deg,rgba(22,208,138,.55),rgba(22,208,138,.12));
}
.flow-step:last-child::after{display:none;}
.flow-dot{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#08150F;font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 12px 24px -14px rgba(22,208,138,.9);
  margin-bottom:16px;position:relative;z-index:2;
}
.flow-step h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.flow-step p{font-size:14.5px;color:var(--text-muted);line-height:1.8;}

/* ---------- 反馈表单 ---------- */
.feedback-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-card);
  overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;
}
.feedback-side{
  padding:40px 36px;
  background:linear-gradient(150deg,#0C1512,#123024);
  color:var(--text-invert);
  position:relative;overflow:hidden;
}
.feedback-side::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/coverpic/cover-7.png");
  background-size:cover;background-position:center;opacity:.16;
}
.feedback-side .inner{position:relative;z-index:2;}
.feedback-side h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.3;}
.feedback-side p{color:var(--text-invert-muted);margin-top:14px;font-size:15px;}
.feedback-facts{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.feedback-facts li{
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-invert-muted);
}
.feedback-facts i{color:var(--brand);font-size:17px;line-height:1.5;}
.feedback-form{padding:40px 36px;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--text-strong);
}
.form-control,.form-select{
  width:100%;height:48px;padding:10px 16px;
  border-radius:var(--r-sm);border:1px solid var(--line-strong);
  background:#FBFDFC;color:var(--text-strong);font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
textarea.form-control{height:auto;min-height:112px;resize:vertical;line-height:1.75;padding-top:12px;}
.form-control::placeholder,textarea.form-control::placeholder{color:#93A59D;font-size:14px;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(22,208,138,.16);outline:none;
}
.form-note{font-size:13px;color:var(--text-muted);margin-top:12px;}
.form-alert{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-sm);
  background:#FFF1E8;border:1px solid rgba(255,106,43,.35);color:#C24A12;font-size:14px;
}
.form-alert.show{display:block;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(140deg,#0C1512,#14372A 62%,#0B2118);
  border-radius:var(--r-xl);
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:var(--sh-dark);
  border:1px solid rgba(22,208,138,.18);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,208,138,.28),transparent 65%);
}
.cta-band .cta-text{position:relative;z-index:2;max-width:640px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.3;}
.cta-band p{color:var(--text-invert-muted);margin-top:12px;font-size:15.5px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-dark);
  color:var(--text-invert-muted);
  padding:72px 0 0;
  border-top:1px solid rgba(22,208,138,.2);
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--brand),var(--accent-2));
}
.footer-grid{padding-bottom:46px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-text{font-size:18px;font-weight:800;color:#fff;}
.footer-desc{font-size:14.5px;line-height:1.9;color:var(--text-invert-muted);max-width:340px;}
.footer-col h3{
  color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.4px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:var(--text-invert-muted);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--brand);text-decoration:none;}
.footer-col ul li .plain{color:var(--text-invert-muted);font-size:14.5px;}
.footer-bottom{
  border-top:1px solid rgba(233,242,238,.10);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-invert-muted);
}
.footer-bottom span{font-variant-numeric:tabular-nums;}

/* ---------- 回到顶部 ---------- */
#toTop{
  position:fixed;right:22px;bottom:26px;z-index:1050;
  width:48px;height:48px;border-radius:50%;border:none;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand));
  color:#08150F;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 30px -14px rgba(11,143,99,.9);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease);
  cursor:pointer;
}
#toTop.show{opacity:1;visibility:visible;transform:translateY(0);}
#toTop:hover{filter:brightness(1.06);}
#toTop:active{transform:scale(.95);}

/* ---------- 图片 ---------- */
.media-frame{
  border-radius:var(--r-md);overflow:hidden;
  background:linear-gradient(135deg,#DDE9E3,#C9DDD4);
}
.media-frame img{width:100%;height:100%;object-fit:cover;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .qa-layout{grid-template-columns:1fr;}
  .side-stack{position:static;}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .mainnav .container{min-height:64px;}
  .navbar-collapse{
    background:#0C1512;
    border-radius:var(--r-lg);
    margin-top:12px;padding:14px 10px 18px;
    border:1px solid rgba(22,208,138,.18);
  }
  .nav-main .nav-link{padding:11px 12px;border-radius:10px;}
  .nav-main .nav-link::after{display:none;}
  .nav-main .nav-link.active{background:rgba(22,208,138,.12);color:#fff;}
  .nav-right{margin-top:12px;padding:0 6px 4px;}
  .btn-nav-cta{width:100%;justify-content:center;padding:12px 20px;}
  .page-hero{padding:46px 0 44px;}
  .flow{grid-template-columns:1fr 1fr;row-gap:34px;}
  .flow-step::after{display:none;}
  .feedback-wrap{grid-template-columns:1fr;}
  .feedback-side,.feedback-form{padding:32px 24px;}
  .cta-band{padding:34px 26px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .topbar-tip{display:none;}
  .topbar-inner{justify-content:space-between;gap:10px;}
  .topbar-links a.soft-link{display:none;}
  .sec-head{margin-bottom:32px;}
  .feedback-form,.feedback-side{padding:26px 20px;}
  .footer-bottom{justify-content:center;text-align:center;}
  .footer-desc{max-width:none;}
}
@media (max-width:575.98px){
  :root{--sec-y:56px;}
  .flow{grid-template-columns:1fr;}
  .brand-text{font-size:16px;}
  .logo-mark{width:32px;height:32px;}
  .hero-badges{gap:8px;}
  .hero-badge{padding:7px 13px;font-size:12.5px;}
  .hero-badge b{font-size:17px;}
  .quick-panel-head{padding:18px;}
  .spec-table thead th,.spec-table tbody td{padding:12px 14px;}
  .anchor-nav a{padding:6px 13px;font-size:13px;}
  .qa-accordion .accordion-button{font-size:16px;padding:17px 48px 17px 18px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
}