/* roulang page: index */
:root{
  --ink-900:#14110F;
  --ink-800:#1E1A17;
  --ink-700:#241F1B;
  --paper:#FAF7F2;
  --paper-2:#F2ECE3;
  --card:#FFFFFF;
  --cloud:#1E8C7E;
  --cloud-deep:#14665C;
  --cloud-soft:#DCEFEB;
  --amber:#DE8A3B;
  --amber-ink:#B9701F;
  --txt:#1A1815;
  --txt-2:#5D574F;
  --txt-3:#8C857B;
  --line:#E4DDD2;
  --d-line:rgba(246,242,235,.14);
  --d-txt:#F6F2EB;
  --d-txt-2:#B7B0A5;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r-dock:999px;
  --r-lg:20px;
  --r-md:14px;
  --r-img:12px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,17,15,.06);
  --sh-2:0 14px 32px -14px rgba(20,17,15,.22);
  --sh-3:0 10px 30px -12px rgba(20,17,15,.18);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-body-bg:var(--paper);
  --bs-body-color:var(--txt);
  --bs-primary:var(--cloud);
  --bs-border-radius:14px;
  --bs-link-color:var(--cloud-deep);
  --bs-link-hover-color:var(--cloud);
  --bs-font-sans-serif:var(--font-sans);
  --bs-body-font-family:var(--font-sans);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  color:var(--txt);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
a{color:var(--cloud-deep);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--cloud)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--txt)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cloud);outline-offset:2px;border-radius:6px}

.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.sec{padding:112px 0}
.sec-paper{background:var(--paper)}
.sec-paper2{background:var(--paper-2)}
.sec-ink{background:var(--ink-900);color:var(--d-txt)}
.sec-ink h2,.sec-ink h3{color:var(--d-txt)}

/* ============ Dock 导航 ============ */
.site-nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1180px;height:64px;z-index:1040;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 18px;
  background:rgba(250,247,242,.95);
  border:1px solid var(--line);
  border-radius:var(--r-dock);
  box-shadow:var(--sh-1);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-nav.is-scrolled{box-shadow:var(--sh-3);background:rgba(250,247,242,.92)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--txt);font-weight:700;font-size:16.5px;letter-spacing:.2px}
.brand:hover{color:var(--txt)}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;background:var(--cloud);display:flex;align-items:center;justify-content:center}
.brand-mark svg{width:20px;height:20px}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1 1 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  padding:0 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--txt-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--txt);background:var(--paper-2)}
.nav-link.active{color:var(--cloud-deep)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:6px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--cloud);
}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:999px;border:1px solid transparent;background:transparent;
  display:inline-flex;align-items:center;justify-content:center;color:var(--txt-2);cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:var(--paper-2);color:var(--cloud-deep);border-color:var(--line)}
.icon-btn svg{width:19px;height:19px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:0;
  background:var(--cloud);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main:hover{background:var(--cloud-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-main:active{transform:translateY(1px)}
.nav-burger{display:none}
.nav-drawer{
  position:fixed;top:92px;left:16px;right:16px;z-index:1039;
  background:rgba(250,247,242,.98);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:10px;display:none;
}
.nav-drawer.is-open{display:block}
.nav-drawer a{
  display:flex;align-items:center;height:56px;padding:0 16px;border-radius:12px;
  color:var(--txt);font-size:16px;font-weight:500;
}
.nav-drawer a:hover{background:var(--paper-2)}
.nav-drawer a.active{color:var(--cloud-deep);background:var(--cloud-soft)}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:78vh;
  display:flex;align-items:flex-end;
  padding:150px 0 64px;
  background-image:linear-gradient(to bottom,rgba(20,17,15,.78) 0%,rgba(20,17,15,.62) 46%,rgba(20,17,15,.55) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.chip-badge{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--d-txt);
  border:1px solid rgba(246,242,235,.35);background:rgba(246,242,235,.08);
}
.chip-badge.solid{background:var(--cloud);border-color:var(--cloud);color:#fff}
.hero h1{
  color:#fff;font-size:44px;line-height:1.24;letter-spacing:-.2px;
  max-width:820px;margin-bottom:18px;
}
.hero-sub{
  color:rgba(246,242,235,.86);font-size:18px;line-height:1.75;
  max-width:640px;margin-bottom:30px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:999px;
  border:1px solid rgba(246,242,235,.5);background:transparent;color:var(--d-txt);
  font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{background:var(--paper);color:var(--ink-900);border-color:var(--paper);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-paper{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:999px;border:0;
  background:var(--paper);color:var(--ink-900);font-size:15px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-paper:hover{background:#fff;color:var(--ink-900);transform:translateY(-1px);box-shadow:0 14px 32px -14px rgba(0,0,0,.5)}
.btn-paper:active{transform:translateY(1px)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:999px;
  border:1px solid var(--txt);background:transparent;color:var(--txt);
  font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-line:hover{background:var(--cloud-soft);color:var(--cloud-deep);border-color:var(--cloud);transform:translateY(-1px)}
.btn-line:active{transform:translateY(1px)}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip-line{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(30,140,126,.55);
  background:rgba(30,140,126,.16);color:#DFF3EF;font-size:13px;font-weight:500;
}
.hero-scroll{
  position:absolute;right:32px;bottom:32px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  color:rgba(246,242,235,.72);font-size:13px;letter-spacing:.4px;
}
.hero-scroll svg{width:16px;height:16px;animation:bob 2.4s var(--ease) infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* ============ 区块标题 ============ */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.sec-head h2{font-size:30px;letter-spacing:-.2px}
.sec-head .lead{
  margin-top:10px;font-size:15.5px;line-height:1.7;color:var(--txt-2);max-width:640px;
}
.sec-ink .sec-head .lead{color:var(--d-txt-2)}
.more-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--cloud-deep);
  white-space:nowrap;
}
.more-link svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.more-link:hover svg{transform:translateX(3px)}
.sec-ink .more-link{color:var(--cloud-soft)}

/* ============ 横滑内容带 ============ */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:20px;width:48px;z-index:3;pointer-events:none;
}
.rail-wrap::before{left:-4px;background:linear-gradient(to right,var(--paper),rgba(250,247,242,0))}
.rail-wrap::after{right:-4px;background:linear-gradient(to left,var(--paper),rgba(250,247,242,0))}
.rail{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 20px;margin:0 -4px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail > *{flex:0 0 300px;scroll-snap-align:start}
.rail-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--txt-2);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);cursor:pointer;opacity:0;
  transition:opacity .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.rail-wrap:hover .rail-nav{opacity:1}
.rail-nav:hover{background:var(--cloud);color:#fff;border-color:var(--cloud)}
.rail-nav.prev{left:-14px}
.rail-nav.next{right:-14px}
.rail-nav svg{width:18px;height:18px}

/* ============ 卡片 ============ */
.mcard{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.mcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D0C3}
.mcard-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#EDE8E0,#DDD6CA);
}
.mcard-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .22s var(--ease)}
.mcard:hover .mcard-cover img{transform:scale(1.04)}
.mcard-cover::after{
  content:"";position:absolute;inset:0;border-radius:0;
  box-shadow:inset 0 0 0 1px rgba(20,17,15,.06);pointer-events:none;
}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);background:var(--cloud-soft);color:var(--cloud-deep);
  font-size:12.5px;font-weight:500;
}
.badge-hot{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);background:rgba(222,138,59,.12);color:var(--amber-ink);
  font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums;
}
.mcard-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.mcard-title{font-size:17px;line-height:1.5;font-weight:600;color:var(--txt)}
.mcard:hover .mcard-title{color:var(--cloud-deep)}
.mcard-desc{
  font-size:14.5px;line-height:1.65;color:var(--txt-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mcard-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--txt-3);
}
.mcard-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--txt-3);display:inline-block}

/* 深色区虚化卡 */
.sec-ink .mcard{
  background:rgba(246,242,235,.05);
  border:1px solid var(--d-line);
  box-shadow:none;
}
.sec-ink .mcard:hover{background:rgba(246,242,235,.09);border-color:rgba(246,242,235,.28);box-shadow:none}
.sec-ink .mcard-title{color:var(--d-txt)}
.sec-ink .mcard:hover .mcard-title{color:var(--cloud-soft)}
.sec-ink .mcard-desc{color:var(--d-txt-2)}
.sec-ink .mcard-meta{color:var(--d-txt-2)}
.sec-ink .mcard-meta .dot{background:var(--d-txt-2)}
.sec-ink .mcard-cover{background:linear-gradient(135deg,#2B2521,#1C1815)}
.sec-ink .badge-cat{background:rgba(30,140,126,.22);color:#A8E3D9}

/* ============ 非对称重点推荐 ============ */
.feature-split{display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:stretch}
.feature-main{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--card);box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-main .pic{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#EDE8E0,#DDD6CA)}
.feature-main .pic img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .22s var(--ease)}
.feature-main:hover .pic img{transform:scale(1.04)}
.feature-main .txt{padding:26px 26px 28px}
.feature-main h3{font-size:26px;line-height:1.35;margin:14px 0 12px}
.feature-main p{font-size:15.5px;line-height:1.75;color:var(--txt-2);margin-bottom:20px}
.feature-btns{display:flex;flex-wrap:wrap;gap:10px}
.feature-btns .btn-main,.feature-btns .btn-line{height:44px;padding:0 22px;font-size:14.5px}

.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 18px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rank-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8D0C3}
.rank-no{
  flex:0 0 38px;font-size:22px;font-weight:700;line-height:1.2;
  color:var(--amber);font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.rank-body h3{font-size:16.5px;line-height:1.5;margin-bottom:6px}
.rank-item:hover .rank-body h3{color:var(--cloud-deep)}
.rank-body p{font-size:14px;line-height:1.6;color:var(--txt-2);margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rank-meta{font-size:13px;color:var(--txt-3)}

/* ============ 栅格 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* ============ CMS 最新信息 ============ */
.cms-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:32px;align-items:start}
.cms-side{display:flex;flex-direction:column;gap:12px}
.cms-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cms-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8D0C3}
.cms-no{
  flex:0 0 32px;font-size:15px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.7;
}
.cms-item h3{font-size:16px;line-height:1.5;margin-bottom:6px}
.cms-item:hover h3{color:var(--cloud-deep)}
.cms-item p{font-size:13.5px;line-height:1.6;color:var(--txt-2);margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-item .mcard-meta{font-size:12.5px}
.mcard-lead .mcard-title{font-size:23px;line-height:1.4}
.mcard-lead .mcard-cover{aspect-ratio:16/9}
.mcard-lead .mcard-desc{-webkit-line-clamp:3;font-size:15px}

.empty-state{
  padding:56px 24px 48px;text-align:center;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state svg{width:48px;height:48px;color:var(--cloud);margin-bottom:16px}
.empty-state p{font-size:16px;color:var(--txt-2);margin-bottom:20px}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:48px;align-items:start}
.faq-intro h2{font-size:30px;margin-bottom:14px}
.faq-intro p{font-size:15.5px;line-height:1.75;color:var(--txt-2)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--txt);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-q:hover{color:var(--cloud-deep);background:var(--paper)}
.faq-q .ic{flex:0 0 22px;width:22px;height:22px;position:relative}
.faq-q .ic::before,.faq-q .ic::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--cloud);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-q .ic::before{width:14px;height:2px}
.faq-q .ic::after{width:2px;height:14px}
.faq-q[aria-expanded="true"] .ic::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--txt-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:var(--d-txt);
  padding:96px 0;
}
.cta-band::before{
  content:"";position:absolute;left:-8%;top:-40%;width:52%;height:190%;
  background:linear-gradient(100deg,rgba(30,140,126,.22),rgba(30,140,126,0));
  transform:rotate(12deg);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.cta-inner h2{font-size:32px;color:var(--d-txt);margin-bottom:14px;line-height:1.3}
.cta-inner p{color:var(--d-txt-2);font-size:16px;line-height:1.8;margin:0}
.cta-form{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.cta-form input{
  flex:1 1 240px;height:48px;padding:0 18px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  font-size:15px;color:var(--txt);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cta-form input::placeholder{color:var(--txt-3)}
.cta-form input:focus{outline:none;border-color:var(--cloud);background:#F4FBF9;box-shadow:0 0 0 3px rgba(30,140,126,.16)}
.cta-note{margin-top:14px;font-size:13px;color:var(--d-txt-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:var(--d-txt-2);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--d-txt);font-weight:700;font-size:16.5px;margin-bottom:16px}
.footer-brand:hover{color:var(--d-txt)}
.footer-brand .brand-mark{background:var(--cloud)}
.footer-desc{font-size:14.5px;line-height:1.8;color:var(--d-txt-2);max-width:340px}
.footer-col h3{
  font-size:14px;font-weight:600;color:var(--cloud-soft);
  margin-bottom:16px;letter-spacing:.3px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:var(--d-txt-2);font-size:14.5px;line-height:2}
.footer-col a:hover{color:var(--cloud-soft)}
.footer-col p{font-size:14.5px;line-height:2;margin:0;color:var(--d-txt-2)}
.footer-bottom{
  border-top:1px solid var(--d-line);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-3);
}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .rail > *{flex:0 0 288px}
}
@media (max-width:1199.98px){
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .feature-split{grid-template-columns:1.3fr 1fr;gap:24px}
  .cms-grid{grid-template-columns:1fr;gap:24px}
  .faq-layout{grid-template-columns:minmax(0,280px) minmax(0,1fr);gap:32px}
}
@media (max-width:991.98px){
  body{font-size:16px}
  .sec{padding:76px 0}
  .nav-links{display:none}
  .nav-actions .btn-main{display:none}
  .nav-burger{display:inline-flex}
  .site-nav{height:60px;padding:0 10px 0 14px}
  .nav-drawer{top:88px}
  .hero{padding:130px 0 56px;min-height:66vh}
  .hero h1{font-size:34px}
  .hero-sub{font-size:17px}
  .sec-head h2{font-size:25px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .feature-split{grid-template-columns:1fr}
  .feature-main h3{font-size:22px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-inner h2{font-size:26px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:40px}
  .rail-nav{display:none}
  .rail-wrap::before,.rail-wrap::after{display:none}
}
@media (max-width:767.98px){
  .hero{min-height:62vh;padding:118px 0 48px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-scroll{display:none}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .rail > *{flex:0 0 78vw}
  .mcard-lead .mcard-title{font-size:20px}
  .btn-main,.btn-line,.btn-ghost,.btn-paper{height:44px;padding:0 20px;font-size:14.5px}
  .cta-band{padding:64px 0}
  .cta-form{flex-direction:column;align-items:stretch}
  .cta-form .btn-paper{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519.98px){
  .wrap{padding:0 18px}
  .hero h1{font-size:27px}
  .sec{padding:56px 0}
  .sec-head h2{font-size:23px}
  .feature-main .txt{padding:20px}
  .rank-item{padding:16px}
}

/* roulang page: category1 */
:root{
  --ink-900:#14110F;
  --ink-800:#1E1A17;
  --ink-700:#241F1B;
  --paper:#FAF7F2;
  --paper-2:#F2ECE3;
  --white:#FFFFFF;
  --cloud:#1E8C7E;
  --cloud-deep:#14665C;
  --cloud-soft:#DCEFEB;
  --amber:#DE8A3B;
  --amber-deep:#B86A22;
  --txt:#1A1815;
  --txt-2:#5D574F;
  --txt-3:#8C857B;
  --on-dark:#F6F2EB;
  --on-dark-2:#B7B0A5;
  --line:#E4DDD2;
  --line-dark:rgba(246,242,235,.14);
  --r-xl:28px;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,17,15,.06);
  --sh-2:0 14px 32px -14px rgba(20,17,15,.22);
  --sh-3:0 10px 30px -12px rgba(20,17,15,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-bg:var(--paper);
  --bs-body-color:var(--txt);
  --bs-primary:var(--cloud);
  --bs-border-radius:14px;
  --bs-link-color:var(--cloud-deep);
  --bs-link-hover-color:var(--cloud-deep);
  --bs-font-sans-serif:var(--font);
  --bs-body-font-family:var(--font);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--txt);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:0}
a{color:var(--cloud-deep);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--cloud-deep)}
h1,h2,h3{margin:0;line-height:1.25;font-weight:700;letter-spacing:.005em}
h2{font-size:clamp(24px,2.4vw,30px)}
h3{font-size:20px}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--cloud);outline-offset:2px;border-radius:6px}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0}
.section-tint{background:var(--paper-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-head .lead{color:var(--txt-2);font-size:15px;line-height:1.75;max-width:60em;margin:10px 0 0}
.dot{width:4px;height:4px;border-radius:50%;background:var(--txt-3);display:inline-block}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:0;z-index:1030;padding:16px 24px 0}
.dock{
  max-width:1180px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 18px;
  background:rgba(250,247,242,.95);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.dock.scrolled{background:rgba(250,247,242,.98);box-shadow:var(--sh-3)}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink-900);flex:none}
.brand:hover{color:var(--ink-900)}
.brand-mark{width:34px;height:34px;border-radius:50%;background:var(--cloud);display:grid;place-items:center;flex:none}
.brand-mark svg{width:19px;height:19px}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--txt-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:var(--paper-2);color:var(--txt)}
.nav-link.active{color:var(--cloud-deep)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:3px;width:20px;height:2px;border-radius:2px;background:var(--cloud);
}
.dock-right{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  color:var(--txt-2);border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:var(--paper-2);color:var(--ink-900)}
.icon-btn svg{width:19px;height:19px}
.burger{display:none}

/* ---------- 按钮 ---------- */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-cloud{background:var(--cloud);color:#fff}
.btn-cloud:hover{background:var(--cloud-deep);color:#fff;transform:translateY(-1px)}
.btn-cloud:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1px solid rgba(26,24,21,.22);color:var(--ink-900)}
.btn-ghost:hover{background:var(--cloud-soft);border-color:var(--cloud-soft);color:var(--cloud-deep)}
.btn-paper{background:var(--paper);color:var(--ink-900)}
.btn-paper:hover{background:#fff;color:var(--ink-900);transform:translateY(-1px)}
.btn-paper:active{transform:translateY(1px)}
.dock-cta{height:42px;min-height:42px;padding:0 20px;font-size:14px}

/* ---------- 移动抽屉 ---------- */
.drawer{
  max-width:1180px;margin:10px auto 0;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:10px;display:none;
}
.drawer.open{display:block}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  line-height:56px;padding:0 16px;border-radius:var(--r-md);
  font-size:16px;color:var(--txt);font-weight:500;
}
.drawer a:hover{background:var(--paper-2);color:var(--txt)}
.drawer a.active{color:var(--cloud-deep);background:var(--cloud-soft)}
.drawer-foot{display:flex;gap:10px;padding:10px 6px 6px}

/* ---------- 分类横幅 ---------- */
.cat-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  padding:56px 0 44px;
  color:var(--on-dark);
  border-radius:0 0 var(--r-xl) var(--r-xl);
  background-image:
    linear-gradient(180deg,rgba(20,17,15,.58) 0%,rgba(20,17,15,.7) 55%,rgba(20,17,15,.84) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(30,140,126,.26);
  border:1px solid rgba(220,239,235,.34);
  color:var(--cloud-soft);
  font-size:13px;font-weight:500;padding:6px 14px;border-radius:var(--r-pill);
}
.cat-hero h1{
  font-size:clamp(26px,3.4vw,40px);
  color:#fff;
  margin:18px 0 0;
  max-width:22em;
  line-height:1.25;
}
.hero-sub{
  margin:14px 0 0;
  font-size:16px;
  line-height:1.75;
  color:rgba(246,242,235,.86);
  max-width:44em;
}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.hero-chip{
  border:1px solid rgba(220,239,235,.35);
  color:var(--cloud-soft);
  font-size:13px;font-weight:500;
  padding:6px 14px;border-radius:var(--r-pill);
}
.hero-chip b{color:#fff;font-weight:600;margin-left:4px}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:24px 0 0;font-size:14px;color:var(--txt-3);
}
.crumbs a{color:var(--txt-2)}
.crumbs a:hover{color:var(--cloud-deep)}
.crumbs .sep{color:var(--line)}
.crumbs .cur{color:var(--txt-3)}

/* ---------- 筛选条 ---------- */
.filterbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin:0 0 28px;
}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--white);
  color:var(--txt-2);font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--cloud);color:var(--cloud-deep)}
.chip.active{background:var(--cloud);border-color:var(--cloud);color:#fff}
.chip.active:hover{background:var(--cloud-deep);border-color:var(--cloud-deep);color:#fff}
.sortbox{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border-radius:var(--r-md);border:1px solid var(--line);background:var(--white);
  color:var(--txt-2);font-size:14px;
}
.sortbox svg{width:15px;height:15px}

/* ---------- 卡片栅格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.mcard{
  display:flex;flex-direction:column;height:100%;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.mcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9D1C4}
.mcard-media{
  position:relative;display:block;aspect-ratio:16/9;overflow:hidden;
  background-image:linear-gradient(135deg,#EDE8E0,#DDD6CA);
}
.mcard-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .32s var(--ease);
  box-shadow:inset 0 0 0 1px rgba(20,17,15,.06);
}
.mcard:hover .mcard-media img{transform:scale(1.04)}
.mcard-badge{
  position:absolute;top:12px;left:12px;
  background:var(--cloud-soft);color:var(--cloud-deep);
  font-size:12.5px;font-weight:500;
  padding:4px 10px;border-radius:var(--r-badge);
}
.mcard-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.mcard-body h3{font-size:17px;line-height:1.5;font-weight:600}
.mcard-body h3 a{color:var(--txt)}
.mcard-body h3 a:hover{color:var(--cloud-deep)}
.mcard-body p{
  font-size:14.5px;line-height:1.65;color:var(--txt-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mcard-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-3);
}
.badge-hot{
  background:rgba(222,138,59,.12);color:var(--amber-deep);
  font-size:12.5px;font-weight:600;padding:3px 8px;border-radius:var(--r-badge);
}
.mcard-meta .read{margin-left:auto;font-size:13.5px;font-weight:600;color:var(--cloud-deep)}
.mcard-meta .read:hover{color:var(--cloud)}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin:44px 0 0}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 16px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);background:var(--white);
  color:var(--txt-2);font-size:14px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.pager a:hover{border-color:var(--cloud);color:var(--cloud-deep)}
.pager .on{background:var(--cloud);border-color:var(--cloud);color:#fff}
.pager .off{color:var(--txt-3);background:var(--paper-2);cursor:not-allowed}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:48px;align-items:start}
.faq-aside p{color:var(--txt-2);font-size:15px;line-height:1.8;margin-top:12px}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:#D9D1C4}
.faq-item.open{box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--txt);line-height:1.5;
}
.faq-q .sign{flex:none;width:22px;height:22px;color:var(--cloud)}
.faq-q .sign svg{width:22px;height:22px}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{
  padding:0 20px 20px;margin:0;
  font-size:15px;line-height:1.8;color:var(--txt-2);
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--on-dark);
  border-radius:var(--r-xl);
  padding:64px 56px;
}
.cta-band::before{
  content:"";position:absolute;left:-12%;right:-12%;bottom:-90px;height:240px;
  background:linear-gradient(90deg,rgba(30,140,126,0) 0%,rgba(30,140,126,.24) 50%,rgba(30,140,126,0) 100%);
  transform:rotate(-6deg);pointer-events:none;
}
.cta-inner{position:relative;max-width:720px}
.cta-band h2{color:#fff;font-size:clamp(24px,2.4vw,30px)}
.cta-band p{margin:14px 0 0;color:var(--on-dark-2);font-size:16px;line-height:1.8}
.sub-form{display:flex;gap:12px;margin-top:26px}
.sub-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line-dark);background:rgba(246,242,235,.06);
  color:var(--on-dark);font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:var(--on-dark-2)}
.sub-form input:focus{
  outline:none;border-color:var(--cloud);
  background:rgba(30,140,126,.14);
  box-shadow:0 0 0 3px rgba(30,140,126,.22);
}
.cta-note{margin-top:14px;font-size:13px;color:var(--on-dark-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--on-dark-2);margin-top:88px}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--on-dark)}
.footer-brand:hover{color:#fff}
.footer-desc{margin:16px 0 0;font-size:14px;line-height:1.85;color:var(--on-dark-2);max-width:34em}
.footer-col h3{font-size:14px;font-weight:600;color:var(--cloud-soft);margin:0 0 14px}
.footer-col li a{display:inline-block;line-height:2;font-size:14px;color:var(--on-dark-2)}
.footer-col li a:hover{color:#fff}
.footer-col p{font-size:14px;line-height:2;margin:0;color:var(--on-dark-2)}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:20px 0 32px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,242,235,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .nav-links,.dock-cta{display:none}
  .burger{display:grid}
  .cat-hero{min-height:280px;padding:44px 0 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 32px}
  .cta-band{padding:48px 36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .dock-wrap{padding:14px 18px 0}
  .dock{height:60px;padding:0 10px 0 14px;gap:10px}
  .brand-text{font-size:15px}
  .brand-mark{width:30px;height:30px}
  .brand-mark svg{width:17px;height:17px}
  .section{padding:56px 0}
  .cat-hero{min-height:240px;padding:40px 0 32px;border-radius:0 0 20px 20px}
  .cat-hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .grid-3{grid-template-columns:minmax(0,1fr);gap:16px}
  .mcard-body{padding:16px 16px 18px}
  .faq-q{padding:16px;font-size:15px}
  .faq-a p{padding:0 16px 18px}
  .cta-band{padding:40px 22px;border-radius:20px}
  .sub-form{flex-direction:column}
  .sub-form .btn-pill{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding:48px 0 28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .pager a,.pager span{min-width:42px;height:42px;padding:0 13px}
}

/* roulang page: article */
:root{
  --ink-900:#14110F;--ink-800:#1E1A17;--ink-700:#241F1B;
  --paper:#FAF7F2;--paper-2:#F2ECE3;--white:#FFFFFF;
  --cloud:#1E8C7E;--cloud-deep:#14665C;--cloud-soft:#DCEFEB;
  --amber:#DE8A3B;
  --txt:#1A1815;--txt-2:#5D574F;--txt-3:#8C857B;
  --on-dark:#F6F2EB;--on-dark-2:#B7B0A5;--line-dark:rgba(246,242,235,.14);
  --line:#E4DDD2;
  --radius-lg:20px;--radius:14px;--radius-sm:12px;--radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,17,15,.06);
  --shadow-2:0 14px 32px -14px rgba(20,17,15,.22);
  --shadow-3:0 10px 30px -12px rgba(20,17,15,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:var(--paper);--bs-body-color:var(--txt);
  --bs-primary:var(--cloud);--bs-border-radius:var(--radius);
  --bs-link-color:var(--cloud-deep);--bs-link-hover-color:var(--cloud);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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:17px;line-height:1.8;
  color:var(--txt);background:var(--paper);font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cloud-deep);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--cloud);}
button,input{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--txt);letter-spacing:-.01em;}
p{margin:0;}
ol,ul{margin:0;}
:focus-visible{outline:2px solid var(--cloud);outline-offset:2px;border-radius:6px;}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;}

/* ===== Dock 导航 ===== */
.dock-header{position:fixed;top:0;left:0;right:0;z-index:1030;padding:16px 18px 0;}
.dock-shell{max-width:1180px;margin:0 auto;position:relative;}
.dock{
  display:flex;align-items:center;gap:18px;height:64px;padding:0 12px 0 20px;
  background:rgba(250,247,242,.96);border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.dock-header.is-scrolled .dock{background:rgba(250,247,242,.92);box-shadow:var(--shadow-3);}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:17px;white-space:nowrap;}
.brand:hover{color:var(--cloud-deep);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;background:var(--cloud);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:20px;height:20px;display:block;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;margin-right:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--txt-2);border-radius:999px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{color:var(--cloud-deep);background:var(--cloud-soft);}
.nav-link.active{color:var(--cloud-deep);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:7px;height:2px;
  border-radius:2px;background:var(--cloud);
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--line);background:var(--white);color:var(--txt-2);
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{color:var(--cloud-deep);border-color:var(--cloud);background:var(--cloud-soft);}
.icon-btn:active{transform:translateY(1px);}
.icon-btn svg{width:20px;height:20px;display:block;}
.menu-toggle{display:none;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;
  border-radius:999px;background:var(--cloud);color:#fff;font-size:16px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main:hover{background:var(--cloud-deep);color:#fff;transform:translateY(-1px);}
.btn-main:active{transform:translateY(1px);}
.btn-main:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.dock-cta{height:44px;padding:0 20px;font-size:15px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;
  border-radius:999px;background:transparent;border:1px solid var(--txt);color:var(--txt);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--cloud-soft);border-color:var(--cloud);color:var(--cloud-deep);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;
  border-radius:999px;background:var(--on-dark);color:var(--ink-900);font-size:16px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-light:hover{background:#fff;color:var(--ink-900);transform:translateY(-1px);}
.btn-light:active{transform:translateY(1px);}
.search-pop{
  position:absolute;right:0;top:76px;width:min(420px,92vw);padding:16px;
  background:var(--white);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-2);display:none;
}
.search-pop.is-open{display:block;}
.search-form{display:flex;gap:10px;}
.search-form input{
  flex:1;height:46px;border-radius:12px;border:1px solid var(--line);background:var(--white);
  padding:0 14px;font-size:15px;color:var(--txt);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-form input::placeholder{color:var(--txt-3);}
.search-form input:focus{outline:none;border-color:var(--cloud);background:#F7FBFA;box-shadow:0 0 0 3px rgba(30,140,126,.12);}
.search-form .btn-main{height:46px;padding:0 18px;font-size:15px;}
.search-hint{margin-top:10px;font-size:13px;color:var(--txt-3);}
.dock-drawer{
  max-width:1180px;margin:12px auto 0;padding:12px;background:var(--paper);
  border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-2);display:none;
}
.dock-drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:4px 8px 10px;font-size:13px;color:var(--txt-3);}
.drawer-link{
  display:flex;align-items:center;height:56px;padding:0 16px;border-radius:12px;
  font-size:16px;font-weight:500;color:var(--txt);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover{background:var(--cloud-soft);color:var(--cloud-deep);}
.drawer-link.active{background:var(--cloud-soft);color:var(--cloud-deep);}
.drawer-cta{margin-top:10px;width:100%;}

/* ===== 页面主体 ===== */
.site-main{padding-top:110px;}

/* 文章头部 */
.article-head{
  background:linear-gradient(180deg,#F5F0E8 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);padding:34px 0 46px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--txt-3);margin-bottom:24px;}
.crumb a{color:var(--txt-2);}
.crumb a:hover{color:var(--cloud-deep);}
.crumb-sep{color:var(--line);}
.crumb-current{color:var(--txt-3);}
.head-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:40px;align-items:center;}
.badge-cloud{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;
  background:var(--cloud-soft);color:var(--cloud-deep);font-size:12.5px;font-weight:500;line-height:1;
}
.article-title{font-size:36px;line-height:1.3;font-weight:700;margin:16px 0 18px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--txt-3);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.heat{font-style:normal;color:var(--amber);font-weight:600;}
.head-thumb{border-radius:16px;overflow:hidden;border:1px solid rgba(20,17,15,.06);box-shadow:var(--shadow-1);background:linear-gradient(135deg,#EDE8E0,#DDD6CA);}
.head-thumb img{width:100%;height:158px;object-fit:cover;}

/* 阅读布局 */
.article-section{padding:56px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;}
.article-main{min-width:0;}
.article-body{max-width:800px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--txt);word-wrap:break-word;}
.article-body p{margin:0 0 1.05em;}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.35;margin:2.4em 0 1em;
  padding-left:14px;border-left:4px solid var(--cloud);
}
.article-body h3{font-size:19px;font-weight:600;line-height:1.4;margin:1.8em 0 .8em;}
.article-body h4{font-size:17px;font-weight:600;margin:1.5em 0 .7em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;line-height:1.8;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{
  margin:1.6em 0;padding:20px;background:var(--paper-2);border-left:3px solid var(--cloud);
  border-radius:0 12px 12px 0;color:var(--txt-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.4em 0;border:1px solid rgba(20,17,15,.06);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:14px;color:var(--txt-3);margin-top:10px;text-align:center;line-height:1.7;}
.article-body pre{
  background:var(--paper-2);border-radius:12px;padding:18px;overflow:auto;
  font-size:14.5px;line-height:1.7;margin:1.4em 0;
}
.article-body code{background:var(--paper-2);border-radius:6px;padding:2px 6px;font-size:.92em;}
.article-body pre code{background:none;padding:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:16px;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--paper-2);font-weight:600;}
.article-body a{color:var(--cloud-deep);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--cloud);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  gap:14px;padding:56px 20px 64px;color:var(--txt-2);
}
.empty-state svg{width:48px;height:48px;color:var(--cloud);}
.empty-state p{margin:0;font-size:16px;}

/* 文章尾部 */
.article-foot{
  max-width:800px;margin:42px auto 0;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.tag-label{font-size:13px;color:var(--txt-3);}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:6px;
  background:var(--cloud-soft);color:var(--cloud-deep);font-size:13px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--cloud);color:#fff;}
.foot-actions{display:flex;flex-wrap:wrap;gap:10px;}

/* 卡片 */
.mcard{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.mcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.mcard-img{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#EDE8E0,#DDD6CA);}
.mcard-img img{width:100%;height:100%;object-fit:cover;border:0;transition:transform .25s var(--ease);}
.mcard:hover .mcard-img img{transform:scale(1.04);}
.mcard-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.mcard-title{font-size:17px;font-weight:600;line-height:1.5;}
.mcard-title a{color:var(--txt);}
.mcard-title a:hover{color:var(--cloud-deep);}
.mcard-desc{
  font-size:14px;line-height:1.65;color:var(--txt-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mcard-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--txt-3);}
.badge-amber{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:6px;
  background:rgba(222,138,59,.12);color:var(--amber);font-size:12.5px;font-weight:600;line-height:1;
}

/* 相关推荐 */
.related{max-width:800px;margin:56px auto 0;}
.related h2{font-size:24px;font-weight:700;margin-bottom:22px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.related .mcard-title{font-size:16px;}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0;}
.side-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow-1);}
.side-title{
  font-size:15px;font-weight:600;margin:0 0 14px;padding-left:10px;
  border-left:3px solid var(--cloud);line-height:1.4;
}
.hot-list{list-style:none;padding:0;}
.hot-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.hot-item:last-child{border-bottom:0;padding-bottom:0;}
.hot-item:first-child{padding-top:0;}
.hot-num{
  flex:0 0 22px;font-size:14px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.6;
}
.hot-link{display:block;font-size:15px;font-weight:500;color:var(--txt);line-height:1.6;}
.hot-link:hover{color:var(--cloud-deep);}
.hot-time{display:block;font-size:12.5px;color:var(--txt-3);margin-top:4px;font-weight:400;}
.side-links{list-style:none;padding:0;}
.side-links li a{
  display:flex;align-items:center;justify-content:space-between;height:44px;padding:0 10px;
  border-radius:10px;font-size:15px;color:var(--txt-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-links li a:hover{background:var(--cloud-soft);color:var(--cloud-deep);}
.side-links li a span{color:var(--txt-3);font-size:13px;}
.side-cta p{font-size:14px;line-height:1.7;color:var(--txt-2);margin-bottom:6px;}
.mini-form{display:flex;flex-direction:column;gap:10px;margin-top:12px;}
.mini-form input{
  height:48px;border-radius:12px;border:1px solid var(--line);background:var(--white);
  padding:0 14px;font-size:15px;color:var(--txt);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.mini-form input::placeholder{color:var(--txt-3);}
.mini-form input:focus{outline:none;border-color:var(--cloud);background:#F7FBFA;box-shadow:0 0 0 3px rgba(30,140,126,.12);}
.mini-form .btn-main{width:100%;height:44px;font-size:15px;}

/* FAQ */
.faq-section{padding:88px 0 96px;}
.faq-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:48px;align-items:start;}
.faq-intro h2{font-size:30px;font-weight:700;line-height:1.25;margin-bottom:14px;}
.faq-intro p{font-size:15px;line-height:1.8;color:var(--txt-2);}
.faq .accordion-item{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
}
.faq .accordion-item:last-child{margin-bottom:0;}
.faq .accordion-header{margin:0;}
.faq .accordion-button{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  padding:18px 20px;font-size:16px;font-weight:600;line-height:1.5;color:var(--txt);
  background:var(--white);box-shadow:none;border:0;text-align:left;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq .accordion-button:not(.collapsed){color:var(--cloud-deep);background:var(--white);}
.faq .accordion-button:hover{color:var(--cloud-deep);}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--cloud);outline-offset:-2px;}
.faq .accordion-button::after{display:none;}
.faq .faq-icon{display:inline-flex;flex:0 0 20px;width:20px;height:20px;margin-left:14px;color:var(--cloud-deep);}
.faq .faq-icon svg{width:20px;height:20px;}
.faq .faq-v{transition:opacity .18s var(--ease);}
.faq .accordion-button:not(.collapsed) .faq-v{opacity:0;}
.faq .accordion-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--txt-2);}
.faq .accordion-body p{margin:0 0 .7em;}
.faq .accordion-body p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;padding:76px 0;color:var(--on-dark);
  background-color:var(--ink-900);
  background-image:linear-gradient(rgba(20,17,15,.88),rgba(20,17,15,.93)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-band::before{
  content:"";position:absolute;top:-45%;right:-8%;width:520px;height:190%;
  background:linear-gradient(115deg,rgba(30,140,126,.24),rgba(30,140,126,0));
  transform:rotate(12deg);pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center;}
.cta-band h2{font-size:30px;font-weight:700;line-height:1.25;color:var(--on-dark);margin-bottom:14px;}
.cta-band p{font-size:16px;line-height:1.8;color:var(--on-dark-2);max-width:560px;}
.cta-form{display:flex;gap:10px;}
.cta-form input{
  flex:1;min-width:0;height:48px;border-radius:12px;border:1px solid var(--line-dark);
  background:rgba(246,242,235,.06);padding:0 16px;font-size:15px;color:var(--on-dark);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cta-form input::placeholder{color:var(--on-dark-2);}
.cta-form input:focus{outline:none;border-color:var(--cloud);box-shadow:0 0 0 3px rgba(30,140,126,.25);}
.cta-note{grid-column:1 / -1;font-size:13px;color:var(--txt-3);margin-top:-18px;}

/* 页脚 */
.site-footer{background:var(--ink-900);color:var(--on-dark-2);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--on-dark);font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-brand:hover{color:var(--on-dark);}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--on-dark-2);max-width:320px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--cloud-soft);margin:0 0 14px;}
.footer-col ul{list-style:none;padding:0;}
.footer-col li a{display:inline-block;font-size:14px;line-height:2;color:var(--on-dark-2);}
.footer-col li a:hover{color:var(--on-dark);}
.footer-col p{font-size:14px;line-height:2;color:var(--on-dark-2);margin:0;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--txt-3);
}

/* ===== 响应式 ===== */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:56px;}
  .article-side{position:sticky;top:96px;align-self:start;}
}
@media (min-width:992px){
  .dock-drawer,.dock-drawer.is-open{display:none;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .dock-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .head-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .head-thumb{max-width:320px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-note{margin-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .site-main{padding-top:96px;}
  .dock-header{padding:12px 14px 0;}
  .dock{height:58px;padding:0 10px 0 14px;gap:10px;}
  .brand{font-size:15px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;}
  .article-head{padding:26px 0 34px;}
  .article-title{font-size:26px;}
  .article-section{padding:40px 0 0;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;margin:2em 0 .9em;}
  .head-thumb{display:none;}
  .related-grid{grid-template-columns:1fr;}
  .related{margin-top:44px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .faq-section{padding:64px 0 72px;}
  .faq-intro h2{font-size:24px;}
  .cta-band{padding:60px 0;}
  .cta-band h2{font-size:24px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn-light{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .brand{font-size:14px;gap:8px;}
  .brand-mark{width:28px;height:28px;flex:0 0 28px;}
  .article-title{font-size:24px;}
  .article-meta{gap:8px;font-size:13px;}
  .search-pop{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink-900:#14110F;
  --ink-800:#1E1A17;
  --ink-750:#241F1B;
  --paper:#FAF7F2;
  --paper-2:#F2ECE3;
  --white:#FFFFFF;
  --cloud:#1E8C7E;
  --cloud-deep:#14665C;
  --cloud-soft:#DCEFEB;
  --amber:#DE8A3B;
  --amber-ink:#A9631F;
  --txt:#1A1815;
  --txt-2:#5D574F;
  --txt-3:#8C857B;
  --on-dark:#F6F2EB;
  --on-dark-2:#B7B0A5;
  --line:#E4DDD2;
  --line-dark:rgba(246,242,235,.14);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(20,17,15,.06);
  --sh-2:0 14px 32px -14px rgba(20,17,15,.22);
  --sh-3:0 10px 30px -12px rgba(20,17,15,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-body-bg:#FAF7F2;
  --bs-body-color:#1A1815;
  --bs-primary:#1E8C7E;
  --bs-border-radius:14px;
  --bs-link-color:#14665C;
  --bs-link-hover-color:#1E8C7E;
  --bs-font-sans-serif:var(--font);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--txt);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:var(--cloud-deep);text-decoration:none;}
a:hover{color:var(--cloud);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.01em;}
p{margin:0 0 1.05em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus{outline:none;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--cloud);
  outline-offset:2px;
}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-dark{background:var(--ink-900);color:var(--on-dark);padding:104px 0;}
.section-dark p{color:var(--on-dark-2);}
.sec-head{margin-bottom:40px;}
.sec-head-center{max-width:720px;margin:0 auto 44px;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:500;letter-spacing:.08em;
  color:var(--cloud-deep);background:var(--cloud-soft);
  border-radius:6px;padding:5px 11px;margin-bottom:16px;
}
.section-dark .eyebrow{background:rgba(30,140,126,.22);color:#BFE6DF;}
h2.sec-title{font-size:30px;line-height:1.25;}
.sec-lead{margin-top:12px;font-size:16px;color:var(--txt-2);max-width:760px;line-height:1.8;}
.section-dark .sec-lead{color:var(--on-dark-2);}
.grid-bleed{margin-left:-12px;margin-right:-12px;}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}

/* ============ Dock 导航 ============ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1040;
  padding:0 24px;pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1180px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 16px 0 18px;
  background:rgba(250,247,242,.95);
  border:1px solid var(--line);
  border-radius:var(--pill);
  box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled .dock{
  background:rgba(250,247,242,.92);
  box-shadow:var(--sh-3);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--cloud);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;}
.brand-name{
  font-size:16px;font-weight:700;color:var(--ink-900);
  white-space:nowrap;letter-spacing:.01em;
}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 15px;border-radius:var(--pill);
  font-size:15px;font-weight:500;color:var(--txt-2);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--cloud-deep);background:var(--cloud-soft);}
.nav-link.active{color:var(--cloud-deep);}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;
  background:var(--cloud);border-radius:2px;
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--pill);
  border:1px solid var(--line);background:var(--white);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--txt-2);cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:var(--cloud-soft);color:var(--cloud-deep);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(1px);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--pill);
  background:var(--cloud);color:#fff;font-size:15px;font-weight:600;
  border:0;cursor:pointer;white-space:nowrap;
  transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-main:hover{background:var(--cloud-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(20,17,15,.45);}
.btn-main:active{transform:translateY(1px);}
.menu-btn{display:none;}
.dock-drawer{
  pointer-events:auto;
  max-width:1180px;margin:10px auto 0;
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-2);
  padding:10px;display:none;
}
.dock-drawer.open{display:block;}
.dock-drawer-head{display:flex;justify-content:flex-end;padding:2px 4px 8px;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--pill);border:1px solid var(--line);
  background:var(--white);color:var(--txt-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.dock-drawer a{
  display:flex;align-items:center;min-height:56px;padding:0 16px;
  border-radius:var(--r-sm);font-size:16px;font-weight:500;color:var(--txt);
}
.dock-drawer a:hover,.dock-drawer a.active{background:var(--cloud-soft);color:var(--cloud-deep);}

/* ============ 顶部横幅 ============ */
.page-banner{
  position:relative;
  min-height:320px;
  background:#14110F url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  display:flex;align-items:flex-end;overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,15,.78) 0%,rgba(20,17,15,.55) 42%,rgba(20,17,15,.82) 100%);
}
.banner-inner{position:relative;z-index:2;width:100%;padding:130px 0 44px;}
.banner-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:500;letter-spacing:.08em;
  color:#D8F1EC;background:rgba(30,140,126,.28);
  border-radius:6px;padding:5px 11px;margin-bottom:18px;
}
.banner-title{
  font-size:44px;line-height:1.25;color:#fff;font-weight:700;
  max-width:820px;
}
.banner-lead{
  margin:14px 0 0;font-size:18px;line-height:1.75;color:rgba(246,242,235,.82);
  max-width:680px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 14px;border-radius:var(--pill);
  border:1px solid rgba(30,140,126,.55);
  background:rgba(30,140,126,.16);
  color:#D8F1EC;font-size:13px;font-weight:500;
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--cloud);}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:26px 0 8px;
}
.filter-chips{display:flex;gap:10px;flex-wrap:wrap;}
.filter-chip{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:var(--pill);border:1px solid var(--line);background:var(--white);
  color:var(--txt-2);font-size:14px;font-weight:500;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.filter-chip:hover{border-color:var(--cloud);color:var(--cloud-deep);transform:translateY(-1px);}
.filter-chip.active{background:var(--cloud);border-color:var(--cloud);color:#fff;}
.sort-fake{
  display:inline-flex;align-items:center;gap:10px;
  height:40px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--white);
  font-size:14px;color:var(--txt-2);cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.sort-fake:hover{border-color:var(--cloud);background:var(--cloud-soft);}
.sort-fake svg{width:14px;height:14px;color:var(--txt-3);}

/* ============ 卡片 ============ */
.mcard{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.mcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.mcard-media{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#EDE8E0,#DDD6CA);
}
.mcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.mcard:hover .mcard-media img{transform:scale(1.04);}
.mcard-media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(20,17,15,.06);border-radius:0;}
.mcard-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.badge-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.badge-cat{
  display:inline-flex;align-items:center;
  background:var(--cloud-soft);color:var(--cloud-deep);
  border-radius:6px;padding:3px 9px;font-size:12.5px;font-weight:500;
}
.badge-hot{
  display:inline-flex;align-items:center;
  background:rgba(222,138,59,.12);color:var(--amber-ink);
  border-radius:6px;padding:3px 9px;font-size:12.5px;font-weight:500;
}
.mcard-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--txt);}
.mcard-lg .mcard-title{font-size:22px;}
.mcard-desc{
  font-size:15px;line-height:1.65;color:var(--txt-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-3);
}
.meta .sep{width:3px;height:3px;border-radius:50%;background:var(--txt-3);opacity:.6;}
.card-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--cloud-deep);
}
.card-link svg{width:14px;height:14px;transition:transform .18s var(--ease);}
.card-link:hover svg{transform:translateX(3px);}
.mcard-lg .mcard-media{aspect-ratio:16/9;}
.mcard-lg .mcard-body{padding:24px 26px 26px;gap:14px;}
.mcard-lg .mcard-desc{font-size:16px;line-height:1.75;}
.stagger{margin-top:0;}

/* ============ 步骤 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:8px;}
.step-item{
  background:rgba(246,242,235,.05);
  border:1px solid var(--line-dark);
  border-radius:var(--r-md);
  padding:26px 22px 24px;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.step-item:hover{background:rgba(246,242,235,.08);transform:translateY(-4px);}
.step-num{
  display:block;font-size:26px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;margin-bottom:14px;
}
.step-title{font-size:18px;color:#fff;margin-bottom:8px;font-weight:600;}
.step-desc{font-size:15px;line-height:1.75;color:var(--on-dark-2);margin:0;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start;}
.faq-aside h2{font-size:30px;line-height:1.25;}
.faq-aside p{margin-top:14px;color:var(--txt-2);font-size:16px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--txt);line-height:1.5;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--cloud-deep);}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;
  background:var(--cloud-soft);color:var(--cloud-deep);
  display:inline-flex;align-items:center;justify-content:center;
}
.faq-icon svg{width:12px;height:12px;transition:transform .2s var(--ease);}
.faq-item.open .faq-icon svg{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--txt-2);}
.faq-item.open{box-shadow:var(--sh-2);}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:48px;flex-wrap:wrap;}
.pager-num,.pager-link{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--white);
  font-size:15px;font-weight:500;color:var(--txt-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.pager-num:hover,.pager-link:hover{border-color:var(--cloud);color:var(--cloud-deep);}
.pager-num.is-current{background:var(--cloud);border-color:var(--cloud);color:#fff;}

/* ============ CTA ============ */
.cta-band{
  position:relative;background:var(--ink-900);color:var(--on-dark);
  padding:96px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,transparent 0 44%,rgba(30,140,126,.16) 44% 60%,transparent 60%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;}
.cta-inner h2{font-size:30px;color:#fff;line-height:1.25;}
.cta-inner p{margin-top:14px;color:var(--on-dark-2);font-size:16px;max-width:520px;}
.subscribe{display:flex;gap:12px;max-width:560px;}
.subscribe input{
  flex:1 1 auto;min-width:0;height:48px;border-radius:var(--r-sm);
  border:1px solid var(--line-dark);background:rgba(246,242,235,.06);
  color:var(--on-dark);font-size:15px;padding:0 16px;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.subscribe input::placeholder{color:var(--on-dark-2);}
.subscribe input:focus{border-color:var(--cloud);background:rgba(30,140,126,.14);outline:none;box-shadow:0 0 0 2px rgba(30,140,126,.35);}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--pill);border:0;cursor:pointer;
  background:var(--paper);color:var(--ink-900);font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(0,0,0,.6);}
.btn-light:active{transform:translateY(1px);}
.form-tip{margin-top:12px;font-size:13px;color:var(--txt-3);}
.cta-band .form-tip{color:var(--txt-3);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:var(--on-dark);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;}
.footer-brand .brand-mark{background:var(--cloud);}
.footer-brand span{font-size:16px;font-weight:700;color:#fff;}
.footer-desc{font-size:15px;line-height:1.8;color:var(--on-dark-2);max-width:340px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--cloud-soft);margin-bottom:14px;letter-spacing:.02em;}
.footer-col li a{
  display:inline-block;color:var(--on-dark-2);font-size:15px;line-height:2;
  transition:color .18s var(--ease);
}
.footer-col li a:hover{color:#fff;}
.footer-col p{color:var(--on-dark-2);font-size:15px;line-height:1.9;margin:0 0 6px;}
.footer-bottom{
  border-top:1px solid var(--line-dark);margin-top:48px;padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:var(--txt-3);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .faq-layout{grid-template-columns:280px 1fr;gap:40px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .dock-actions .btn-main{display:none;}
  .dock{padding:0 12px 0 14px;gap:10px;}
  .brand-name{font-size:15px;}
  .section{padding:72px 0;}
  .section-dark{padding:76px 0;}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .banner-title{font-size:34px;}
  .stagger{margin-top:0;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .site-header{padding:0 18px;top:12px;}
  .page-banner{min-height:240px;}
  .banner-inner{padding:110px 0 34px;}
  .banner-title{font-size:30px;}
  .banner-lead{font-size:16px;}
  .section{padding:56px 0;}
  .section-dark{padding:60px 0;}
  h2.sec-title,.faq-aside h2,.cta-inner h2{font-size:24px;}
  .mcard-lg .mcard-title{font-size:19px;}
  .step-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .subscribe{flex-direction:column;}
  .subscribe .btn-light{width:100%;}
  .filter-bar{padding-top:20px;}
  .pager{margin-top:36px;}
}
@media (max-width:575.98px){
  .chip{height:32px;font-size:12.5px;padding:0 12px;}
  .filter-chip{height:38px;padding:0 15px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}