/* roulang page: index */
:root{
  --ink:#0E3B33;
  --ink-deep:#0B211C;
  --ink-light:#17594C;
  --orange:#F2652A;
  --orange-hover:#D9531F;
  --orange-error:#C93B1E;
  --lime:#C9F26B;
  --bg:#F7F5F0;
  --bg-2:#EDEFE7;
  --card:#FFFFFF;
  --text:#16211E;
  --text-2:#5A6763;
  --text-3:#8B9691;
  --line:#DCE0D8;
  --tint:#E8F1E4;
  --radius-card:16px;
  --radius-img:14px;
  --radius-lg:24px;
  --shadow-1:0 8px 24px rgba(11,33,28,.07);
  --shadow-2:0 14px 32px rgba(11,33,28,.12);
  --mono:"Barlow",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --t:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink-light);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink-deep)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--tint{background:var(--bg-2)}
.section--paper{background:var(--bg)}

/* ============ 微元素 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--tint);color:var(--ink);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.eyebrow--orange{background:var(--orange);color:#fff}
.eyebrow--outline{background:transparent;border:1px solid var(--line);color:var(--text-2)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--tint);color:var(--ink);white-space:nowrap;
}
.badge--orange{background:var(--orange);color:#fff}
.badge--lime{background:var(--lime);color:var(--ink-deep)}
.badge--ghost{background:transparent;border:1px solid var(--line);color:var(--text-2)}
.rule{width:32px;height:3px;background:var(--orange);border-radius:2px;display:block}

.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:32px;margin-bottom:36px;flex-wrap:wrap;
}
.section-head .head-text{max-width:640px}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;
  letter-spacing:-.01em;margin-top:14px;
}
.section-head .head-note{
  font-size:15px;color:var(--text-2);line-height:1.75;max-width:380px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform var(--t),background var(--t),box-shadow var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;text-decoration:none;
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(242,101,42,.24)}
.btn--primary:hover{background:var(--orange-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,101,42,.3);color:#fff}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(242,101,42,.22)}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn--ghost:hover{background:var(--bg-2);color:var(--ink)}
.btn--ghost:active{background:var(--tint)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.btn-link .arw{transition:transform var(--t)}
.btn-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;
  background:var(--ink);transition:width var(--t);
}
.btn-link:hover{color:var(--ink);text-decoration:none}
.btn-link:hover::after{width:100%}
.btn-link:hover .arw{transform:translateX(3px)}

/* ============ 浮动 Dock ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  padding:16px 0 0;pointer-events:none;
}
.dock{
  pointer-events:auto;
  position:relative;
  width:calc(100% - 48px);max-width:1120px;height:60px;
  margin:0 auto;padding:0 10px 0 14px;
  display:flex;align-items:center;gap:18px;
  background:rgba(247,245,240,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--shadow-1);
  transition:height 220ms ease,box-shadow 220ms ease,background 220ms ease;
}
.site-header.is-stuck .dock{height:52px;box-shadow:var(--shadow-2);background:rgba(247,245,240,.95)}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex-shrink:0}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo-mark{
  width:22px;height:22px;border-radius:6px;background:var(--ink);
  display:grid;place-items:center;flex-shrink:0;
}
.logo-mark span{width:8px;height:8px;background:var(--lime);transform:rotate(45deg);display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:14.5px;font-weight:700;letter-spacing:.01em}
.logo-text i{font-style:normal;font-size:10.5px;font-weight:500;color:var(--text-3);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-links a{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--text-2);text-decoration:none;
  transition:background var(--t),color var(--t);
}
.nav-links a:hover{background:var(--bg-2);color:var(--ink);text-decoration:none}
.nav-links a.active{background:var(--tint);color:var(--ink);font-weight:600}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-search{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:13.5px;color:var(--text-2);text-decoration:none;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.dock-search:hover{border-color:var(--ink-light);color:var(--ink);background:var(--bg);text-decoration:none}
.dock-search .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);flex-shrink:0}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
  border:1px solid var(--line);background:#fff;
}
.dock-toggle span{display:block;width:16px;height:1.8px;background:var(--ink);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.dock-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.8px) rotate(45deg)}
.dock-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.dock-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.8px) rotate(-45deg)}
.mobile-panel{
  display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:10px;box-shadow:var(--shadow-2);
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:flex;align-items:center;height:48px;padding:0 16px;border-radius:12px;
  font-size:15px;color:var(--text);font-weight:500;text-decoration:none;
}
.mobile-panel a:hover{background:var(--bg-2);text-decoration:none}
.mobile-panel a.active{background:var(--tint);color:var(--ink);font-weight:600}
.mobile-panel .mp-cta{margin-top:6px;background:var(--orange);color:#fff;justify-content:center;font-weight:600}
.mobile-panel .mp-cta:hover{background:var(--orange-hover);color:#fff}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:148px 0 0;
  background:
    linear-gradient(to right,rgba(11,33,28,.05) 1px,transparent 1px) 0 0/48px 48px,
    linear-gradient(to bottom,rgba(11,33,28,.05) 1px,transparent 1px) 0 0/48px 48px,
    var(--bg);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background-image:linear-gradient(to right,var(--line) 0 8px,transparent 8px 16px);
  background-size:16px 1px;
}
.hero-grid{
  display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center;
  padding-bottom:88px;
}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;font-weight:700;letter-spacing:-.015em;
  margin:20px 0 18px;color:var(--ink-deep);
}
.hero-copy h1 em{
  font-style:normal;position:relative;white-space:nowrap;
  background:linear-gradient(to top,var(--lime) 0 34%,transparent 34%);
  padding:0 2px;
}
.hero-sub{
  font-size:17.5px;line-height:1.75;color:var(--text-2);
  max-width:520px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  border-top:1px solid var(--line);padding-top:26px;max-width:560px;
}
.hero-stats .stat-num{
  font-family:var(--mono);font-size:24px;font-weight:600;color:var(--ink);
  display:flex;align-items:baseline;gap:4px;line-height:1.2;
}
.hero-stats .stat-num u{
  text-decoration:none;background:linear-gradient(to top,var(--lime) 0 40%,transparent 40%);
  padding:0 2px;
}
.hero-stats .stat-label{font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.6}
.hero-media{position:relative}
.hero-media .frame{
  position:relative;border-radius:18px;overflow:hidden;
  background:var(--bg-2);aspect-ratio:4/5;box-shadow:var(--shadow-2);
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover;border-radius:18px}
.hero-media .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,33,28,.34),rgba(11,33,28,.14));
  pointer-events:none;
}
.ticket{
  position:absolute;top:22px;right:-14px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--shadow-2);min-width:172px;
}
.ticket p{font-size:12.5px;color:var(--text-2);margin-top:8px;line-height:1.5}
.ticket::before{
  content:"";position:absolute;left:-8px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;border-radius:50%;background:var(--bg);border:1px solid var(--line);
}

/* ============ 三步上手 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px 26px 0;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--ink-light)}
.step-num{
  font-family:var(--mono);font-size:60px;line-height:1;font-weight:600;
  color:transparent;-webkit-text-stroke:1.5px rgba(14,59,51,.24);
  letter-spacing:-.02em;margin-bottom:18px;
}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.4}
.step-card p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:22px}
.step-note{
  margin-top:auto;border-top:1px dashed var(--line);padding:14px 0 16px;
  font-size:13px;color:var(--text-3);line-height:1.6;
}
.step-card::after{
  content:"";position:absolute;right:-16px;top:88px;width:8px;height:0;
  border-top:1px dashed var(--line);
  display:none;
}

/* ============ 案例证明 ============ */
.proof-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.proof-hero{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--ink-deep);color:#fff;display:flex;flex-direction:column;
  justify-content:flex-end;padding:36px;min-height:420px;
  box-shadow:var(--shadow-1);
}
.proof-hero img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:var(--radius-lg);
}
.proof-hero .mask{
  position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(11,33,28,.72),rgba(11,33,28,.88));
  border-radius:var(--radius-lg);
}
.proof-hero .inner{position:relative;z-index:1}
.proof-hero h3{font-size:24px;font-weight:700;line-height:1.35;margin:16px 0 14px;max-width:420px}
.proof-hero p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:440px;margin-bottom:26px}
.proof-data{display:flex;gap:38px;flex-wrap:wrap;margin-bottom:26px}
.proof-data .item .num{
  font-family:var(--mono);font-size:28px;font-weight:600;color:var(--lime);line-height:1.1;
}
.proof-data .item .lbl{font-size:13px;color:rgba(255,255,255,.68);margin-top:6px}
.proof-hero .btn-link{color:#fff}
.proof-hero .btn-link::after{background:var(--lime)}
.proof-hero .btn-link:hover{color:var(--lime)}
.proof-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.proof-mini{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px;overflow:hidden;
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.proof-mini:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--ink-light)}
.proof-mini .thumb{
  width:40%;flex-shrink:0;aspect-ratio:16/10;border-radius:var(--radius-img);
  overflow:hidden;background:var(--bg-2);
}
.proof-mini .thumb img{width:100%;height:100%;object-fit:cover}
.proof-mini .body{display:flex;flex-direction:column;justify-content:center}
.proof-mini h4{font-size:16.5px;font-weight:600;line-height:1.45;margin-bottom:8px}
.proof-mini p{font-size:13.5px;line-height:1.7;color:var(--text-2)}
.proof-index{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  margin-top:32px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
}
.proof-index .cell{
  padding:24px 28px;border-right:1px solid var(--line);
}
.proof-index .cell:last-child{border-right:0}
.proof-index .num{
  font-family:var(--mono);font-size:26px;font-weight:600;color:var(--ink);line-height:1.2;
}
.proof-index .num u{text-decoration:none;color:var(--orange)}
.proof-index .lbl{font-size:13.5px;color:var(--text-2);margin-top:6px}

/* ============ 最新信息 ============ */
.latest-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
}
.latest-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.latest-grid > ul{min-width:0}
.latest-grid > ul + ul{border-left:1px solid var(--line)}
.post-row{border-bottom:1px solid var(--line)}
.post-row:last-child{border-bottom:0}
.post-link{
  display:flex;align-items:flex-start;gap:18px;
  padding:22px 26px;text-decoration:none;color:inherit;
  transition:background var(--t);
}
.post-link:hover{background:var(--bg);text-decoration:none}
.post-main{min-width:0;flex:1}
.post-main .badge{margin-bottom:10px}
.post-title{
  font-size:16.5px;font-weight:600;line-height:1.5;color:var(--text);
  margin-bottom:8px;transition:color var(--t);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-link:hover .post-title{color:var(--ink-light)}
.post-desc{
  font-size:13.5px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;flex-direction:column;align-items:flex-end;gap:8px;
  flex-shrink:0;padding-top:2px;
}
.post-meta time{font-family:var(--mono);font-size:13px;color:var(--text-3);white-space:nowrap}
.post-meta .arw{color:var(--text-3);transition:transform var(--t),color var(--t);font-size:16px}
.post-link:hover .post-meta .arw{transform:translateX(4px);color:var(--orange)}
.post-empty{
  padding:64px 28px;text-align:center;color:var(--text-2);font-size:15px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.post-empty .box-icon{
  width:56px;height:56px;border-radius:16px;border:1.5px solid var(--line);
  display:grid;place-items:center;color:var(--text-3);font-size:22px;
  background:var(--bg);
}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;margin:14px 0 16px}
.faq-aside p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:24px}
.accordion{display:flex;flex-direction:column;gap:14px}
.acc-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
  position:relative;
}
.acc-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--orange);opacity:0;transition:opacity var(--t);
}
.acc-item.open{border-color:var(--ink-light);box-shadow:var(--shadow-1)}
.acc-item.open::before{opacity:1}
.acc-head{
  width:100%;display:flex;align-items:center;gap:16px;justify-content:space-between;
  padding:20px 24px;text-align:left;
}
.acc-q{font-size:17px;font-weight:600;line-height:1.5;color:var(--text)}
.acc-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  font-size:16px;line-height:1;color:var(--ink);
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t);
}
.acc-item.open .acc-icon{background:var(--ink);color:#fff;border-color:var(--ink);transform:rotate(180deg)}
.acc-body{
  max-height:0;overflow:hidden;transition:max-height 260ms ease;
}
.acc-body .inner{
  padding:0 24px 20px;border-top:1px dashed var(--line);
  padding-top:16px;font-size:15.5px;line-height:1.85;color:var(--text-2);
}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 88px}
.cta-panel{
  position:relative;background:var(--ink-deep);color:#fff;
  border-radius:var(--radius-lg);padding:52px 56px;
  display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center;
  overflow:hidden;
}
.cta-panel::before,.cta-panel::after{
  content:"";position:absolute;width:26px;height:26px;border-radius:50%;
  background:var(--bg);
}
.cta-panel::before{right:60px;top:-13px}
.cta-panel::after{right:60px;bottom:-13px}
.cta-panel h2{font-size:clamp(24px,2.8vw,32px);font-weight:700;line-height:1.3;margin-bottom:14px}
.cta-panel .cta-lead{font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.74);max-width:520px;margin-bottom:22px}
.cta-checks{display:flex;flex-wrap:wrap;gap:10px 24px}
.cta-checks li{
  display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.86);
}
.cta-checks li::before{
  content:"";width:16px;height:16px;border-radius:4px;background:var(--lime);
  flex-shrink:0;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Crect width='16' height='16' rx='4' fill='%23000'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Crect width='16' height='16' rx='4' fill='%23000'/%3E%3C/svg%3E") center/contain no-repeat;
}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-actions .btn-link{color:#fff;font-size:14.5px}
.cta-actions .btn-link::after{background:var(--lime)}
.cta-actions .btn-link:hover{color:var(--lime)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:2.1fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand .logo-mark{background:var(--lime)}
.footer-brand .logo-mark span{background:var(--ink-deep)}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text i{color:rgba(255,255,255,.45)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--lime);margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.7);text-decoration:none;
  transition:color var(--t);
}
.footer-col a:hover{color:var(--lime);text-decoration:none}
.footer-col li span{font-size:14px;color:rgba(255,255,255,.5)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 22px}
  .hero-grid{gap:40px}
  .proof-hero{min-height:380px;padding:30px}
}
@media (max-width:1023px){
  .nav-links,.dock-search{display:none}
  .dock-toggle{display:flex}
  .dock{height:56px}
  .site-header.is-stuck .dock{height:52px}
  .hero{padding-top:128px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-media{max-width:520px}
  .hero-stats{max-width:none}
  .steps{grid-template-columns:1fr;gap:18px}
  .step-card{border-left:3px solid var(--tint)}
  .proof-grid{grid-template-columns:1fr}
  .proof-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .proof-index{grid-template-columns:1fr}
  .proof-index .cell{border-right:0;border-bottom:1px solid var(--line)}
  .proof-index .cell:last-child{border-bottom:0}
  .latest-grid{grid-template-columns:1fr}
  .latest-grid > ul + ul{border-left:0;border-top:1px solid var(--line)}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .cta-panel{grid-template-columns:1fr;padding:40px 36px}
  .cta-panel::before{right:40px}
  .cta-panel::after{right:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .site-header{padding:10px 0 0}
  .dock{width:calc(100% - 32px);height:56px;padding:0 8px 0 12px;gap:10px}
  .hero{padding-top:110px}
  .hero-grid{padding-bottom:56px}
  .hero-copy h1{font-size:clamp(26px,7vw,34px)}
  .hero-sub{font-size:16px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 100%;width:100%}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px 20px}
  .hero-stats .stat-num{font-size:21px}
  .ticket{position:static;margin-top:14px;right:auto;min-width:0}
  .ticket::before{display:none}
  .hero-media .frame{aspect-ratio:16/12}
  .step-num{font-size:48px}
  .proof-hero{min-height:0;padding:24px}
  .proof-hero h3{font-size:20px}
  .proof-data{gap:24px}
  .proof-side{grid-template-columns:1fr}
  .proof-mini{flex-direction:column;gap:12px}
  .proof-mini .thumb{width:100%}
  .proof-index .cell{padding:18px 20px}
  .post-link{padding:18px 18px;gap:12px}
  .acc-head{padding:16px 18px;gap:12px}
  .acc-q{font-size:15.5px}
  .acc-body .inner{padding:14px 18px 18px}
  .cta-wrap{padding:0 0 52px}
  .cta-panel{padding:30px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:480px){
  body{font-size:15px}
  .container{padding:0 16px}
  .hero-copy h1{font-size:25px}
  .hero-stats{grid-template-columns:1fr}
  .step-card{padding:22px 18px 0}
  .section-head{margin-bottom:26px}
  .badge,.eyebrow{font-size:11.5px}
  .btn{height:46px;padding:0 20px}
  .post-meta time{font-size:12px}
}

/* roulang page: category1 */
:root{
  --ink:#16211E;
  --ink-soft:#5A6763;
  --ink-mute:#8B9691;
  --green:#0E3B33;
  --green-deep:#0B211C;
  --green-light:#17594C;
  --orange:#F2652A;
  --orange-dark:#D9531F;
  --lime:#C9F26B;
  --bg:#F7F5F0;
  --bg-alt:#EDEFE7;
  --card:#FFFFFF;
  --line:#DCE0D8;
  --tint:#E8F1E4;
  --danger:#C93B1E;
  --r-card:16px;
  --r-lg:24px;
  --r-img:14px;
  --shadow-1:0 8px 24px rgba(11,33,28,.07);
  --shadow-2:0 14px 32px rgba(11,33,28,.12);
  --container:1200px;
  --ease:220ms cubic-bezier(.4,.2,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  padding-top:84px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--green-light);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.mono{font-family:"Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

/* ---------- 浮动 Dock 导航 ---------- */
.site-dock{
  position:fixed;
  top:14px;
  left:0;
  right:0;
  z-index:200;
  display:flex;
  justify-content:center;
  padding:0 20px;
  pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  width:100%;
  max-width:1120px;
  height:60px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 12px 0 16px;
  border-radius:999px;
  background:rgba(247,245,240,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:height var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.site-dock.is-scrolled .dock-inner{height:52px;box-shadow:var(--shadow-2);background:rgba(247,245,240,.96);}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:22px;height:22px;border-radius:6px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-mark span{width:9px;height:9px;background:var(--lime);clip-path:polygon(50% 0,100% 100%,0 100%);display:block;}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text b{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.logo-text i{
  font-style:normal;font-size:9px;font-weight:600;letter-spacing:.16em;
  color:var(--ink-mute);text-transform:uppercase;margin-top:3px;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  display:inline-flex;align-items:center;
  height:38px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-soft);
  transition:background-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{background:var(--bg-alt);color:var(--green);text-decoration:none;}
.nav-links a.active{background:var(--tint);color:var(--green);font-weight:600;}
.nav-links a:active{transform:translateY(1px);}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock-search{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  font-size:13px;font-weight:500;color:var(--ink-soft);
}
.dock-search:hover{background:var(--bg-alt);color:var(--green);text-decoration:none;border-color:var(--green-light);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform var(--ease),background-color var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;border:1.5px solid transparent;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(242,101,42,.24);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,101,42,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(242,101,42,.22);}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green);}
.btn-ghost:hover{background:var(--bg-alt);color:var(--green);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;pointer-events:none;}
.dock-cta{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:999px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--green);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--green);transition:transform var(--ease);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* ---------- 页头区 ---------- */
.page-head{
  position:relative;
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
  padding:64px 0 72px;
  overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(14,59,51,.055) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(14,59,51,.055) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.page-head .container{position:relative;}
.crumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-mute);margin-bottom:26px;}
.crumb a{color:var(--ink-soft);}
.crumb a:hover{color:var(--green);}
.crumb .sep{color:var(--line);}
.head-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--tint);color:var(--green);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);}
h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:700;line-height:1.18;letter-spacing:-.01em;
  color:var(--ink);
}
h1 em{font-style:normal;color:var(--green);}
.head-lead{
  margin-top:22px;
  font-size:17px;line-height:1.75;color:var(--ink-soft);
  max-width:56ch;
}
.head-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.head-meta .chip{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);
  font-size:13px;font-weight:500;color:var(--ink-soft);
}
.head-meta .chip b{color:var(--green);font-weight:700;}
.count-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
}
.count-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--orange);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.count-card h2{font-size:19px;font-weight:600;margin-top:16px;line-height:1.45;}
.count-card p{font-size:14px;color:var(--ink-soft);margin-top:10px;line-height:1.75;}
.count-num{
  display:flex;align-items:baseline;gap:8px;
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);
}
.count-num strong{font-size:38px;font-weight:700;color:var(--green);line-height:1;}
.count-num span{font-size:13px;color:var(--ink-mute);}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg);}
.section-head{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:end;margin-bottom:40px;}
.rule{width:32px;height:3px;background:var(--orange);border-radius:2px;margin-bottom:18px;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.005em;}
.section-head p{font-size:16px;color:var(--ink-soft);line-height:1.8;}

/* ---------- 卡片网格 ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.flow-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#C9D2C6;}
.flow-card:hover .flow-title{color:var(--green-light);}
.flow-card:hover .flow-arrow{transform:translateX(4px);}
.card-media{
  position:relative;display:block;
  aspect-ratio:16/10;
  background:var(--bg-alt);
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease;}
.flow-card:hover .card-media img{transform:scale(1.03);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,33,28,.32) 0%,rgba(11,33,28,.06) 55%,rgba(11,33,28,.34) 100%);
}
.card-index{
  position:absolute;left:16px;top:14px;z-index:2;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:26px;padding:0 9px;border-radius:8px;
  background:rgba(11,33,28,.72);
  color:var(--lime);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.flow-title{font-size:18px;font-weight:600;line-height:1.5;transition:color var(--ease);}
.card-body p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--ink-soft);}
.card-foot{
  margin-top:auto;padding-top:18px;
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);
}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-soft{background:var(--tint);color:var(--green);}
.badge-orange{background:var(--orange);color:#fff;}
.flow-arrow{font-size:16px;color:var(--orange);transition:transform var(--ease);}
.flow-card-all{
  background:var(--tint);
  border:1.5px dashed #B9CBB1;
  justify-content:center;align-items:flex-start;
  padding:32px;
  gap:14px;
}
.flow-card-all:hover{background:#E1EEDA;}
.flow-card-all h3{font-size:20px;font-weight:700;color:var(--green);line-height:1.4;}
.flow-card-all p{font-size:15px;color:var(--ink-soft);line-height:1.75;}
.flow-card-all .all-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--green);
  border-bottom:1px solid transparent;transition:border-color var(--ease),gap var(--ease);
}
.flow-card-all:hover .all-link{border-bottom-color:var(--green-light);gap:12px;}

/* ---------- 步骤提示条 ---------- */
.steps-band{
  background:var(--tint);
  border-radius:var(--r-card);
  padding:36px;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;
  border:1px solid #D5E4CD;
}
.step-item{position:relative;padding-left:56px;}
.step-item .num{
  position:absolute;left:0;top:2px;
  width:40px;height:40px;border-radius:12px;
  background:var(--green);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:.04em;
}
.step-item h3{font-size:17px;font-weight:600;line-height:1.5;}
.step-item p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-soft);}
.step-item + .step-item::before{
  content:"";position:absolute;left:-14px;top:20px;
  width:0;height:0;
  border-top:5px dashed transparent;
}

/* ---------- 底部 CTA ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-block{
  position:relative;
  background:var(--green-deep);
  color:#fff;
  border-radius:var(--r-lg);
  padding:52px 56px;
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:200px;height:200px;border-radius:50%;
  border:2px dashed rgba(201,242,107,.28);
  pointer-events:none;
}
.cta-block::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);
  width:36px;height:36px;border-radius:50%;background:var(--bg);
}
.cta-block h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;}
.cta-block .cta-lead{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;}
.cta-points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.88);
}
.cta-points li::before{
  content:"";width:14px;height:14px;border-radius:50%;
  background:rgba(201,242,107,.16);border:1px solid var(--lime);
  position:relative;flex-shrink:0;
}
.cta-points li::after{
  content:"";position:absolute;width:6px;height:3px;
  border-left:1.5px solid var(--lime);border-bottom:1.5px solid var(--lime);
  transform:rotate(-45deg);margin-left:4px;margin-top:-2px;
}
.cta-points li::before,.cta-points li::after{position:relative;display:inline-block;}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:16px;justify-self:end;}
.cta-actions .btn-primary{min-width:180px;}
.cta-text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--lime);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),gap var(--ease);
}
.cta-text-link:hover{color:var(--lime);border-bottom-color:var(--lime);gap:10px;text-decoration:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green-deep);
  color:rgba(255,255,255,.72);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text i{color:rgba(201,242,107,.72);}
.footer-brand .logo-mark{background:#fff;}
.footer-brand .logo-mark span{background:var(--green);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--lime);
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--lime);text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--lime);text-decoration:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .head-grid{grid-template-columns:1fr;gap:32px;}
  .count-card{max-width:520px;}
  .section-head{grid-template-columns:1fr;gap:18px;align-items:start;}
  .cta-block{grid-template-columns:1fr;gap:30px;padding:44px 40px;}
  .cta-actions{justify-self:start;flex-direction:row;align-items:center;flex-wrap:wrap;}
}
@media (max-width:1023px){
  .nav-links{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(247,245,240,.98);
    border:1px solid var(--line);
    border-radius:18px;
    padding:10px;
    box-shadow:var(--shadow-2);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{height:48px;justify-content:flex-start;padding:0 16px;border-radius:12px;}
  .dock-actions{margin-left:auto;}
  .nav-toggle{display:inline-flex;}
  .dock-search{display:none;}
  .cards-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .steps-band{grid-template-columns:1fr;gap:24px;padding:28px;}
  .step-item + .step-item::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{padding-top:76px;}
  .site-dock{top:10px;padding:0 14px;}
  .dock-inner{height:56px;border-radius:999px;padding:0 10px 0 14px;}
  .logo-text b{font-size:14px;}
  .logo-text i{display:none;}
  .dock-cta{display:none;}
  .container{padding:0 20px;}
  .page-head{padding:44px 0 52px;}
  .section{padding:52px 0;}
  .cards-grid{grid-template-columns:1fr;}
  .card-body{padding:20px;}
  .cta-wrap{padding:0 0 52px;}
  .cta-block{padding:32px 24px;border-radius:20px;}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .crumb{font-size:12px;}
}
@media (max-width:480px){
  h1{font-size:26px;line-height:1.25;}
  h2{font-size:22px;}
  .head-lead{font-size:16px;}
  .count-card{padding:20px;}
  .count-num strong{font-size:30px;}
  .flow-card-all{padding:24px;}
  .btn{height:46px;padding:0 20px;font-size:14px;}
  .btn-sm{height:38px;}
}

/* roulang page: article */
:root{
  --green:#0E3B33;
  --green-deep:#0B211C;
  --green-light:#17594C;
  --orange:#F2652A;
  --orange-dark:#D9531F;
  --lime:#C9F26B;
  --bg:#F7F5F0;
  --bg-2:#EDEFE7;
  --card:#FFFFFF;
  --t1:#16211E;
  --t2:#5A6763;
  --t3:#8B9691;
  --line:#DCE0D8;
  --tint:#E8F1E4;
  --r-card:16px;
  --r-img:14px;
  --r-big:24px;
  --sh-1:0 8px 24px rgba(11,33,28,.07);
  --sh-2:0 14px 32px rgba(11,33,28,.12);
  --mono:"Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background-color:var(--bg);
  background-image:linear-gradient(to right,rgba(11,33,28,.045) 1px,transparent 1px),linear-gradient(to bottom,rgba(11,33,28,.045) 1px,transparent 1px);
  background-size:48px 48px;
  padding-top:104px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--green-light)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ Dock 导航 ============ */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 20px;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1120px;
  margin:0 auto;
  height:60px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 16px;
  border-radius:999px;
  background:rgba(247,245,240,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:height .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.dock--compact{height:52px;box-shadow:var(--sh-2);background:rgba(247,245,240,.95)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:22px;height:22px;border-radius:6px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
  transition:transform .2s ease;
}
.logo-mark span{width:10px;height:10px;background:var(--lime);border-radius:2px;transform:rotate(45deg);display:block}
.logo:hover .logo-mark{transform:rotate(8deg)}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text b{font-size:15px;font-weight:700;color:var(--green);letter-spacing:.01em}
.logo-text i{font-style:normal;font-size:9px;letter-spacing:.16em;color:var(--t3);font-family:var(--mono)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--t2);
  transition:background-color .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--bg-2);color:var(--green)}
.nav-links a.active{background:var(--tint);color:var(--green);font-weight:700}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.dock-search{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 16px;border-radius:999px;
  border:1.5px solid var(--line);color:var(--t2);font-size:14px;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.dock-search:hover{border-color:var(--green-light);color:var(--green);background:#fff}
.dock-search svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8}
.dock-toggle{
  display:none;margin-left:auto;width:40px;height:40px;border-radius:999px;
  border:1.5px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.dock-toggle span{display:block;width:16px;height:2px;background:var(--green);position:relative}
.dock-toggle span::before,.dock-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--green);
}
.dock-toggle span::before{top:-5px}
.dock-toggle span::after{top:5px}
.dock-panel{
  pointer-events:auto;
  display:none;
  max-width:1120px;margin:10px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-2);padding:10px;overflow:hidden;
}
.dock-panel.is-open{display:block}
.dock-panel a{
  display:flex;align-items:center;height:48px;padding:0 16px;
  border-radius:12px;font-size:15px;font-weight:500;color:var(--t1);
}
.dock-panel a:hover{background:var(--bg-2);color:var(--green)}
.dock-panel a.active{background:var(--tint);color:var(--green);font-weight:700}
.dock-panel .panel-cta{
  margin-top:8px;justify-content:center;background:var(--orange);color:#fff;font-weight:700;
}
.dock-panel .panel-cta:hover{background:var(--orange-dark);color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,101,42,.24)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,101,42,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(242,101,42,.22)}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:var(--bg-2);color:var(--green)}
.btn-ghost:active{background:var(--tint)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--green);
  position:relative;padding:2px 0;
}
.btn-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;
  background:var(--green);transition:width .2s ease;
}
.btn-link:hover::after{width:100%}
.btn-link .arw{transition:transform .2s ease}
.btn-link:hover .arw{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.crumb-bar .container{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.crumb-bar a,.crumb-bar span{font-size:12.5px;color:var(--t2)}
.crumb-bar a:hover{color:var(--green)}
.crumb-sep{color:var(--t3);font-size:12px}
.crumb-current{
  font-size:12.5px;color:var(--green);font-weight:600;
  max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章布局 ============ */
.article-main{padding:48px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:56px;align-items:start}
.article-head{max-width:760px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--tint);color:var(--green);
}
.badge-orange{background:var(--orange);color:#fff}
.article-title{
  font-size:clamp(28px,3.6vw,40px);
  font-weight:700;line-height:1.24;letter-spacing:-.01em;
  color:var(--green-deep);margin:18px 0 0;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:20px;font-size:13px;color:var(--t2);
}
.article-meta .sep{width:1px;height:12px;background:var(--line);display:inline-block}
.article-meta em{font-style:normal;font-family:var(--mono);color:var(--t2)}
.article-cover{margin-top:28px}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-img);background:var(--bg-2);
}
.article-cover figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}

/* ============ 正文 ============ */
.article-body{
  max-width:760px;margin-top:36px;
  font-size:17px;line-height:1.85;color:var(--t1);
}
.article-body h1{font-size:26px;font-weight:700;line-height:1.35;color:var(--green-deep);margin:36px 0 14px}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;
  color:var(--green-deep);
  margin:40px 0 16px;padding-left:16px;scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:1.05em;border-radius:2px;background:var(--orange);
}
.article-body h3{
  font-size:20px;font-weight:600;line-height:1.4;color:var(--green);
  margin:28px 0 12px;scroll-margin-top:110px;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--green);margin:22px 0 10px}
.article-body p{margin:0 0 1.2em}
.article-body p:first-of-type{font-size:18px;color:var(--green-deep);font-weight:500}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:9px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:7px;border-radius:50%;background:var(--orange);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:9px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.16em;
  width:20px;height:20px;border-radius:6px;background:var(--tint);
  color:var(--green);font-size:12px;font-weight:700;font-family:var(--mono);
  display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:0 0 1.3em;padding:20px 22px;
  background:var(--tint);border-left:4px solid var(--orange);
  border-radius:0 12px 12px 0;color:var(--green);
  font-size:16.5px;line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto;background:var(--bg-2)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:8px 0 1.5em;
  font-size:15px;border-top:1px solid var(--line);
}
.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(--tint);color:var(--green);font-weight:600}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--orange-dark)}
.article-body strong{font-weight:700;color:var(--green-deep)}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:32px 0}

/* 提示卡 */
.tip-card{
  margin-top:36px;max-width:760px;
  background:var(--tint);border:1px solid #D3E4CC;border-radius:var(--r-card);
  padding:24px;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.tip-card .tip-txt{flex:1 1 260px}
.tip-card h3{font-size:17px;font-weight:700;color:var(--green);margin-bottom:6px}
.tip-card p{font-size:14.5px;color:var(--t2);line-height:1.75}

/* 空态 */
.empty-state{
  max-width:760px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:#fff;padding:56px 24px;text-align:center;
}
.empty-state .empty-ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:14px;
  background:var(--tint);display:flex;align-items:center;justify-content:center;
}
.empty-state .empty-ico svg{width:26px;height:26px;stroke:var(--green);fill:none;stroke-width:1.6}
.empty-state p{font-size:15px;color:var(--t2);margin-bottom:16px}

/* ============ 侧边目录 ============ */
.toc{position:sticky;top:100px}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.toc-card h2{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--t3);
  text-transform:uppercase;margin-bottom:14px;font-family:var(--mono);
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-link{
  display:block;font-size:14px;line-height:1.6;color:var(--t2);
  padding:8px 0 8px 12px;border-left:2px solid transparent;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.toc-link:hover{color:var(--green);border-left-color:var(--line)}
.toc-link.is-current{color:var(--green);font-weight:700;border-left-color:var(--orange)}
.toc-link--sub{padding-left:24px;font-size:13.5px;color:var(--t3)}

/* ============ 相关推荐 ============ */
.related{padding:0 0 88px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--orange);font-family:var(--mono)}
.sec-eyebrow::before{content:"";width:32px;height:3px;border-radius:2px;background:var(--orange)}
.sec-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.25;color:var(--green-deep);margin-top:12px}
.related-list{border-top:1px solid var(--line)}
.related-item{
  display:flex;align-items:center;gap:20px;
  padding:22px 16px;border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.related-item:hover{background:#fff}
.related-item .rel-body{flex:1 1 auto;min-width:0}
.related-item h3{font-size:17px;font-weight:600;color:var(--t1);margin-bottom:6px;transition:color .2s ease}
.related-item:hover h3{color:var(--green-light)}
.related-item p{font-size:14px;color:var(--t2);line-height:1.7;margin-bottom:8px}
.related-item .rel-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3)}
.related-item .rel-meta em{font-style:normal;font-family:var(--mono)}
.related-item .rel-arw{
  flex:none;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--green);transition:background-color .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.related-item:hover .rel-arw{background:var(--green);color:#fff;border-color:var(--green);transform:translateX(2px)}

/* ============ 底部操作行 ============ */
.article-foot{
  display:flex;align-items:center;justify-content:flex-end;gap:12px;flex-wrap:wrap;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--line);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--green-deep);color:#C8D3CD;
  padding:64px 0 24px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(201,242,107,.16);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text i{color:rgba(255,255,255,.45)}
.footer-brand .logo-mark{background:var(--lime)}
.footer-brand .logo-mark span{background:var(--green-deep)}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9B8B1;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:var(--lime);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a,.footer-col li span{font-size:14px;color:#A9B8B1;line-height:1.6;transition:color .2s ease}
.footer-col li a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:#8FA099;
}
.footer-bottom a{color:#8FA099}
.footer-bottom a:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{gap:36px;grid-template-columns:minmax(0,1fr) 220px}
}
@media (max-width:1023px){
  .nav-links,.dock-actions{display:none}
  .dock-toggle{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{padding-top:88px;font-size:15.5px;background-size:40px 40px}
  .dock-wrap{top:10px;padding:0 14px}
  .dock{height:56px;padding:0 12px 0 14px;gap:10px}
  .dock--compact{height:52px}
  .container{padding:0 20px}
  .article-main{padding:32px 0 56px}
  .article-title{font-size:26px;margin-top:14px}
  .article-body{font-size:16px;line-height:1.8;margin-top:28px}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:18px}
  .article-body p:first-of-type{font-size:17px}
  .related{padding-bottom:56px}
  .related-head{flex-direction:column;align-items:flex-start;gap:12px}
  .related-item{padding:18px 8px;gap:14px;align-items:flex-start}
  .related-item p{display:none}
  .tip-card{padding:20px}
  .article-foot{justify-content:stretch}
  .article-foot .btn{width:100%}
  .site-footer{padding:48px 0 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:480px){
  body{font-size:15px}
  .article-title{font-size:23px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:20px}
  .btn{height:46px;padding:0 22px;font-size:14.5px}
  .crumb-current{max-width:100%}
}

/* roulang page: category2 */
:root{
  --ink:#0E3B33;
  --ink-deep:#0B211C;
  --ink-bright:#17594C;
  --orange:#F2652A;
  --orange-dark:#D9531F;
  --lime:#C9F26B;
  --sand:#F7F5F0;
  --sand-2:#EDEFE7;
  --card:#FFFFFF;
  --text:#16211E;
  --text-2:#5A6763;
  --text-3:#8B9691;
  --line:#DCE0D8;
  --mint:#E8F1E4;
  --danger:#C93B1E;
  --r-sm:12px;
  --r-card:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(11,33,28,.07);
  --shadow-hover:0 14px 32px rgba(11,33,28,.12);
  --ease:200ms cubic-bezier(.4,0,.2,1);
  --mono:"Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  border:1.5px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  white-space:nowrap;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(242,101,42,.24)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,101,42,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(242,101,42,.2)}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--sand-2)}
.btn-ghost:active{background:var(--mint)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-light:hover{border-color:var(--lime);color:var(--lime)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink);
  position:relative;
}
.link-arrow span.ar{transition:transform var(--ease)}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1.5px;width:0;background:var(--ink);
  transition:width var(--ease);
}
.link-arrow:hover::after{width:100%}
.link-arrow:hover span.ar{transform:translateX(3px)}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:120;display:flex;justify-content:center;padding:0 20px;pointer-events:none}
.dock{
  pointer-events:auto;display:flex;align-items:center;gap:14px;width:100%;max-width:1120px;height:60px;
  padding:0 12px 0 18px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(247,245,240,.9);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:height var(--ease),box-shadow var(--ease),background var(--ease);
}
.dock.is-shrink{height:52px;box-shadow:var(--shadow-hover);background:rgba(247,245,240,.96)}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:22px;height:22px;border-radius:6px;background:var(--ink);display:grid;place-items:center;flex-shrink:0}
.logo-mark span{display:block;width:9px;height:9px;background:var(--lime);border-radius:2px;transform:rotate(45deg)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:15px;font-weight:700;letter-spacing:.01em;color:var(--ink)}
.logo-text i{font-style:normal;font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;color:var(--text-3);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-links a{
  padding:8px 14px;border-radius:var(--r-pill);font-size:14.5px;font-weight:500;color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.nav-links a:hover{background:var(--sand-2);color:var(--ink)}
.nav-links a.active{background:var(--mint);color:var(--ink);font-weight:600}
.dock-actions{display:flex;align-items:center;gap:10px}
.dock-search{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--ink);cursor:pointer;transition:background var(--ease),border-color var(--ease);
}
.dock-search:hover{background:var(--sand-2);border-color:var(--ink-bright)}
.dock-search svg{width:17px;height:17px}
.burger{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);position:relative;cursor:pointer;flex-shrink:0}
.burger span{position:absolute;left:12px;width:16px;height:1.8px;background:var(--ink);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  position:fixed;left:20px;right:20px;top:84px;z-index:119;display:none;
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-hover);padding:10px;
}
.mobile-panel.open{display:block}
.mobile-panel a{display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text-2);transition:background var(--ease),color var(--ease)}
.mobile-panel a:hover{background:var(--sand);color:var(--ink)}
.mobile-panel a.active{background:var(--mint);color:var(--ink);font-weight:600}
.mobile-panel .btn{width:100%;margin-top:8px}

/* ---------- 页头 ---------- */
.page-main{padding-top:112px}
.page-head{
  position:relative;background:var(--sand-2);border-bottom:1px solid var(--line);
  padding:52px 0 52px;overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(14,59,51,.055) 1px,transparent 1px);
  background-size:48px 100%;
}
.page-head .container{position:relative}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--text-2);transition:color var(--ease)}
.crumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:var(--text-3)}
.crumb .now{color:var(--ink);font-weight:500}
.head-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--mint);color:var(--ink);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.page-head h1{
  font-size:clamp(27px,3.4vw,40px);line-height:1.22;font-weight:700;letter-spacing:-.01em;
  margin-top:16px;max-width:840px;color:var(--ink-deep);
}
.rule-line{width:32px;height:3px;border-radius:2px;background:var(--orange);margin:20px 0 0}
.lead{font-size:17px;line-height:1.8;color:var(--text-2);max-width:780px;margin-top:16px}
.head-stat{
  display:flex;flex-direction:column;align-items:center;gap:2px;min-width:170px;
  padding:20px 26px;border-radius:var(--r-card);background:var(--orange);color:#fff;
  box-shadow:0 10px 26px rgba(242,101,42,.26);
}
.head-stat b{font-family:var(--mono);font-size:36px;line-height:1;letter-spacing:.02em;font-weight:600}
.head-stat span{font-size:12.5px;opacity:.92;font-weight:500}

/* ---------- 主体 ---------- */
.section{padding:72px 0}
.section-tight{padding-top:0}
.faq-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:44px;align-items:start}

/* 目录 */
.toc{
  position:sticky;top:88px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px 16px;box-shadow:var(--shadow);
}
.toc h2{font-size:12px;letter-spacing:.14em;color:var(--text-3);font-weight:600;padding:0 10px 12px}
.toc a{
  display:block;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--text-2);
  border-left:3px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.toc a:hover{background:var(--sand);color:var(--ink)}
.toc a.active{background:var(--mint);color:var(--ink);font-weight:600;border-left-color:var(--orange)}
.toc .toc-hint{
  margin-top:14px;padding:12px 10px 0;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--text-3);line-height:1.7;
}

/* FAQ 分组 */
.faq-group{margin-bottom:48px;scroll-margin-top:104px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.group-head::before{content:"";width:32px;height:3px;border-radius:2px;background:var(--orange);flex-shrink:0}
.group-head h2{font-size:clamp(20px,2.2vw,25px);font-weight:700;letter-spacing:-.01em;color:var(--ink-deep)}
.group-note{font-size:14px;color:var(--text-3);margin:-8px 0 22px 46px;line-height:1.7}
.faq-item{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:14px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow);border-color:#CFD6CC}
.faq-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;
  background:var(--orange);opacity:0;transition:opacity var(--ease);
}
.faq-item.open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;line-height:1.5;
  color:var(--text);cursor:pointer;transition:color var(--ease);
}
.faq-q:hover{color:var(--ink-bright)}
.faq-icon{
  position:relative;width:22px;height:22px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--line);transition:background var(--ease),border-color var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px;transition:transform var(--ease)}
.faq-item.open .faq-icon{background:var(--mint);border-color:var(--ink)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 240ms cubic-bezier(.4,0,.2,1)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{padding:0 24px 20px 26px;font-size:15.8px;line-height:1.8;color:var(--text-2)}
.faq-a p + p{padding-top:0}

/* 深色提示块 */
.rule-note{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:42px 40px;color:#fff;
  background:linear-gradient(rgba(11,33,28,.9),rgba(11,33,28,.9)),url("/assets/images/coverpic/cover-6.webp") center/cover no-repeat;
  margin-bottom:64px;
}
.rule-note h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:#fff;letter-spacing:-.01em}
.rule-note .note-sub{font-size:15px;color:rgba(255,255,255,.72);margin-top:8px;margin-bottom:26px}
.check-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.7;color:rgba(255,255,255,.92)}
.check-list li i{
  width:18px;height:18px;border-radius:50%;background:var(--lime);color:var(--ink-deep);
  display:grid;place-items:center;font-style:normal;font-size:11px;font-weight:700;
  flex-shrink:0;margin-top:4px;
}

/* 相关阅读 */
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;flex-wrap:wrap}
.block-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:-.01em;color:var(--ink-deep)}
.block-head .sub{font-size:14px;color:var(--text-3);margin-top:6px}
.read-list{border-top:1px solid var(--line)}
.read-item{
  display:flex;align-items:center;gap:20px;padding:22px 12px;border-bottom:1px solid var(--line);
  transition:background var(--ease),padding-left var(--ease);
}
.read-item:hover{background:var(--sand-2);padding-left:16px}
.read-main{flex:1;min-width:0}
.read-main .row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.read-main h3{font-size:17px;font-weight:600;line-height:1.5;transition:color var(--ease)}
.read-item:hover .read-main h3{color:var(--ink-bright)}
.read-main p{
  font-size:14.5px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.read-meta{display:flex;align-items:center;gap:14px;flex-shrink:0;font-size:13px;color:var(--text-3)}
.read-meta time{font-family:var(--mono);letter-spacing:.02em}
.arrow-dot{
  width:22px;height:22px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;
  color:var(--ink);font-size:14px;line-height:1;transition:background var(--ease),border-color var(--ease),color var(--ease),transform var(--ease);
}
.read-item:hover .arrow-dot{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateX(3px)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em}
.badge-mint{background:var(--mint);color:var(--ink)}
.badge-orange{background:var(--orange);color:#fff}

/* 底部 CTA */
.cta-bar{
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:40px 44px;margin-bottom:80px;
}
.cta-bar::after{
  content:"";position:absolute;right:-56px;top:-56px;width:180px;height:180px;border-radius:50%;
  background:rgba(201,242,107,.09);pointer-events:none;
}
.cta-bar h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:#fff;letter-spacing:-.01em}
.cta-bar p{font-size:15px;color:rgba(255,255,255,.75);margin-top:8px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-mark{background:rgba(201,242,107,.14);border:1px solid rgba(201,242,107,.4)}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text i{color:rgba(201,242,107,.72)}
.footer-brand p{font-size:14.5px;line-height:1.85;max-width:360px;color:rgba(255,255,255,.66)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--lime);letter-spacing:.04em;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px;font-size:14.5px;line-height:1.7}
.footer-col a{transition:color var(--ease)}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-col span{color:rgba(255,255,255,.55)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:var(--lime)}
.footer-bottom a:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .toc{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:14px}
  .toc h2{width:100%;padding:0 6px 4px}
  .toc a{border-left:0;background:var(--sand);font-size:14px;padding:8px 14px;border-radius:var(--r-pill)}
  .toc a.active{border-left:0;background:var(--mint)}
  .toc .toc-hint{width:100%;margin-top:6px;padding:10px 6px 0}
  .section{padding:56px 0}
  .rule-note{padding:34px 28px}
  .check-list{grid-template-columns:1fr;gap:12px}
  .faq-group{margin-bottom:40px}
  .faq-group:last-child{margin-bottom:0}
}
@media (max-width:900px){
  .nav-links{display:none}
  .dock-search{display:none}
  .burger{display:block}
  .dock{height:56px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .head-grid{grid-template-columns:1fr;align-items:start}
  .head-stat{flex-direction:row;align-items:center;gap:10px;justify-self:start;padding:12px 20px;min-width:0}
  .head-stat b{font-size:24px}
}
@media (max-width:767px){
  .page-main{padding-top:92px}
  .container{padding:0 20px}
  .page-head{padding:38px 0 40px}
  .section{padding:48px 0}
  .faq-q{font-size:16px;padding:17px 18px}
  .faq-a p{padding:0 18px 18px 20px;font-size:15.4px}
  .rule-note{padding:28px 22px;border-radius:18px;margin-bottom:48px}
  .read-item{padding:18px 8px;gap:14px}
  .read-main h3{font-size:16px}
  .read-meta time{display:none}
  .cta-bar{padding:30px 24px;border-radius:18px;margin-bottom:56px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{gap:28px;padding-bottom:36px}
  .mobile-panel{top:80px}
  .dock .btn-primary{display:none}
}
@media (max-width:520px){
  .page-head h1{font-size:25px}
  .lead{font-size:15.5px}
  .dock{padding:0 10px 0 14px;gap:10px}
  .logo-text b{font-size:13.5px}
  .logo-text i{font-size:8.5px}
  .footer-grid{grid-template-columns:1fr}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .btn-sm{height:38px;padding:0 16px;font-size:13.5px}
  .read-item:hover{padding-left:8px}
  .group-note{margin-left:0}
  .cta-actions .btn{flex:1 1 100%}
}