/* roulang page: index */
:root{
  --brand:#1668D6;
  --brand-hover:#0F55B4;
  --brand-active:#0B4494;
  --teal:#17B8A6;
  --amber:#F5A524;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --soft:#EEF3FA;
  --line:#E6ECF5;
  --ink:#0F1B2D;
  --text:#44536B;
  --muted:#7A879B;
  --dark:#0F1B2D;
  --dark-2:#0B1424;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --sh-1:0 1px 2px rgba(15,27,45,.06);
  --sh-2:0 8px 24px rgba(15,27,45,.08);
  --sh-3:0 12px 32px rgba(22,104,214,.14);
  --bs-primary:#1668D6;
  --bs-body-bg:#F6F8FB;
  --bs-body-color:#44536B;
  --bs-border-color:#E6ECF5;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{color:var(--ink);margin:0 0 .6em;line-height:1.3;font-weight:700}
p{margin:0 0 1em}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-hover);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,104,214,.30)}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1280px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,27,45,.08)}
.navbar{padding:0;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  background:linear-gradient(140deg,#1668D6 10%,#17B8A6 95%);
  color:#fff;font-size:19px;font-weight:800;
  display:grid;place-items:center;letter-spacing:0;
  box-shadow:0 6px 16px rgba(22,104,214,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16.5px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.16em;font-weight:500}
.nav-menu{gap:4px}
.nav-menu .nav-item{position:relative}
.nav-menu .nav-link{
  color:var(--text);font-size:15.5px;font-weight:500;
  padding:9px 16px;border-radius:10px;transition:all .2s ease;
}
.nav-menu .nav-link:hover{color:var(--brand);background:var(--soft);text-decoration:none}
.nav-menu .nav-link.active{color:var(--brand);font-weight:600}
.nav-menu .nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-14px;
  height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:18px}
.nav-link-plain{color:var(--text);font-size:15px;font-weight:500}
.nav-link-plain:hover{color:var(--brand);text-decoration:none}
.navbar-toggler{
  border:1px solid var(--line);border-radius:12px;padding:9px 11px;background:#fff;
  display:inline-flex;flex-direction:column;gap:4px;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(22,104,214,.25)}
.nav-toggle-bar{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{transition:all .2s ease;font-weight:600;border-radius:var(--r-btn)}
.btn-brand{
  background:var(--brand);border:1px solid var(--brand);color:#fff;
  padding:12px 26px;font-size:15.5px;box-shadow:0 8px 20px rgba(22,104,214,.22);
}
.btn-brand:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 12px 26px rgba(22,104,214,.28)}
.btn-brand:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0)}
.btn-ghost{
  background:#fff;border:1px solid var(--line);color:var(--ink);
  padding:12px 24px;font-size:15.5px;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;background:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-amber{background:var(--amber);border:1px solid var(--amber);color:#2B1A00;padding:12px 26px;font-size:15.5px}
.btn-amber:hover{background:#DE9315;border-color:#DE9315;color:#2B1A00;text-decoration:none}
.btn-sm-pill{padding:10px 22px;font-size:15px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-soft{background:var(--soft)}
.section-white{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.1em;
  color:var(--brand);background:rgba(22,104,214,.08);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,2.6vw,31px);margin-bottom:12px}
.section-head p{color:var(--text);font-size:16px;margin:0}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:999px;background:rgba(22,104,214,.09);color:var(--brand);
}
.tag-teal{background:rgba(23,184,166,.12);color:#0E8C7E}
.tag-amber{background:rgba(245,165,36,.16);color:#9A6405}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:#fff;
  border-bottom:1px solid var(--line);
  padding:70px 0 0;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(900px 420px at 88% -12%, rgba(23,184,166,.16), transparent 62%),
    radial-gradient(760px 400px at -8% 18%, rgba(22,104,214,.13), transparent 66%);
}
.hero > .container{position:relative;z-index:1}
.hero h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.25;font-weight:700;
  margin:18px 0 18px;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17.5px;color:var(--text);max-width:560px;line-height:1.8;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14.5px;color:var(--muted)}
.hero-points li{display:flex;align-items:center;gap:8px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--teal);flex:0 0 7px}
.hero-visual{position:relative;border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden}
.hero-visual img{width:100%;height:420px;object-fit:cover;border-radius:var(--r-card)}
.hero-float{
  position:absolute;left:22px;bottom:22px;right:22px;
  background:rgba(255,255,255,.96);border-radius:14px;padding:14px 18px;
  display:flex;align-items:center;gap:12px;box-shadow:var(--sh-2);
}
.hero-float .pulse{
  width:10px;height:10px;border-radius:50%;background:var(--teal);flex:0 0 10px;
  box-shadow:0 0 0 4px rgba(23,184,166,.18);
}
.hero-float strong{color:var(--ink);font-size:14.5px;font-weight:600}
.hero-float span{font-size:13px;color:var(--muted)}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:56px;border-top:1px solid var(--line);
}
.hero-stat{padding:24px 10px;text-align:center}
.hero-stat + .hero-stat{border-left:1px solid var(--line)}
.hero-stat .num{
  font-size:28px;font-weight:700;color:var(--ink);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-stat .lbl{font-size:13.5px;color:var(--muted);margin-top:2px}

/* ---------- 权益对比表 ---------- */
.compare-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);overflow:hidden;
}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.compare{width:100%;min-width:760px;border-collapse:collapse}
table.compare th,table.compare td{
  padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;font-size:15px;vertical-align:middle;
}
table.compare thead th{
  background:#fff;position:sticky;top:0;z-index:2;font-weight:600;color:var(--ink);
}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:none}
table.compare tbody tr:hover{background:var(--soft)}
table.compare .feat{color:var(--ink);font-weight:500;width:24%}
table.compare td{text-align:center}
.plan-head{display:flex;flex-direction:column;gap:3px}
.plan-name{font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.plan-price{font-size:12.5px;color:var(--muted);font-weight:400}
.tag-rec{
  font-size:11.5px;font-weight:700;color:#fff;background:var(--brand);
  padding:2px 9px;border-radius:999px;letter-spacing:.02em;
}
.col-rec{background:rgba(22,104,214,.045)}
thead .col-rec{border-top:3px solid var(--brand)}
.ico{display:inline-block;vertical-align:middle}
.ico-yes{color:var(--teal)}
.ico-no{color:#C3CCDA}
.compare-note{font-size:13.5px;color:var(--muted);margin:16px 0 0}

/* ---------- 深色等级阶梯 ---------- */
.section-dark{background:var(--dark);color:#A9B8CD;position:relative;overflow:hidden}
.section-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(640px 280px at 82% 0%, rgba(23,184,166,.22), transparent 66%),
    radial-gradient(560px 260px at 6% 100%, rgba(22,104,214,.32), transparent 70%);
}
.section-dark > .container{position:relative;z-index:1}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark .section-head p{color:#A9B8CD}
.section-dark .eyebrow{background:rgba(23,184,166,.16);color:#4FE0CE}
.ladder{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.ladder-item{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.11);
  border-radius:var(--r-card);padding:30px 28px;
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.ladder-item:hover{transform:translateY(-3px);border-color:rgba(23,184,166,.5);background:rgba(255,255,255,.075)}
.ladder-item:nth-child(even){transform:translateY(30px)}
.ladder-item:nth-child(even):hover{transform:translateY(27px)}
.ladder-no{
  display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:34px;font-weight:700;color:var(--teal);line-height:1;margin-bottom:16px;
  letter-spacing:.02em;
}
.ladder-item h3{font-size:21px;margin-bottom:10px}
.ladder-item p{font-size:15px;color:#A9B8CD;margin-bottom:16px;line-height:1.8}
.ladder-meta{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-block;font-size:12.5px;padding:4px 12px;border-radius:999px;
  background:rgba(255,255,255,.08);color:#D6E0EE;border:1px solid rgba(255,255,255,.1);
}
.chip-teal{background:rgba(23,184,166,.16);color:#5CE3D2;border-color:rgba(23,184,166,.3)}

/* ---------- 内容卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.content-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#D6E3F7;text-decoration:none}
.content-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.content-card:hover .thumb img{transform:scale(1.03)}
.content-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.content-card h3{font-size:17.5px;margin:0;line-height:1.45}
.content-card p{font-size:14.5px;color:var(--text);margin:0;line-height:1.7}
.content-card .foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.content-card .foot .more{color:var(--brand);font-weight:600}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:start}
.news-lead{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-3);text-decoration:none}
.news-lead .thumb{aspect-ratio:16/9;overflow:hidden}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-lead:hover .thumb img{transform:scale(1.03)}
.news-lead .body{padding:26px;display:flex;flex-direction:column;gap:12px}
.news-lead h3{font-size:22px;margin:0}
.news-lead p{font-size:15px;color:var(--text);margin:0}
.news-lead .meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted)}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:flex;gap:16px;align-items:flex-start;background:#fff;
  border:1px solid var(--line);border-radius:14px;padding:16px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6E3F7;text-decoration:none}
.news-item img{width:104px;height:76px;object-fit:cover;border-radius:10px;flex:0 0 104px}
.news-item .txt{display:flex;flex-direction:column;gap:6px;min-width:0}
.news-item h3{font-size:16px;margin:0;line-height:1.5}
.news-item p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.65}
.news-item .meta{font-size:12.5px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state .art{
  width:74px;height:74px;margin:0 auto 18px;border-radius:20px;
  background:var(--soft);display:grid;place-items:center;color:var(--brand);
}
.empty-state p{color:var(--muted);margin:0 0 14px}
.section-more{font-weight:600;font-size:15px}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step .idx{
  width:40px;height:40px;border-radius:13px;margin-bottom:16px;
  background:rgba(22,104,214,.09);color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17.5px;margin-bottom:8px}
.step p{font-size:14.5px;margin:0;color:var(--text)}

/* ---------- 口碑 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:16px;
}
.quote .stars{display:flex;gap:4px;color:var(--amber)}
.quote p{font-size:15.5px;color:var(--ink);margin:0;line-height:1.8}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 42px;display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:15px;background:var(--brand);
}
.avatar.t2{background:var(--teal)}
.avatar.t3{background:#5B6FF0}
.who .name{font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.4}
.who .role{font-size:13px;color:var(--muted)}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1)}
.metric .num{font-size:32px;font-weight:700;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
.metric .lbl{font-size:14px;color:var(--muted);margin-top:6px}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  border:1px solid var(--line);border-radius:14px;margin-bottom:14px;
  background:#fff;box-shadow:var(--sh-1);overflow:hidden;
}
.faq .accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:#fff;
  padding:22px 62px 22px 22px;position:relative;box-shadow:none;border-radius:14px;
}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:#fff;box-shadow:none}
.faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:13px;bottom:13px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
}
.faq .accordion-button::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;margin:0;background-image:none;
  background:rgba(22,104,214,.09);color:var(--brand);
  display:grid;place-items:center;font-size:18px;font-weight:600;line-height:1;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq .accordion-button:not(.collapsed)::after{
  content:"−";transform:translateY(-50%) rotate(180deg);
  background:var(--brand);color:#fff;
}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(22,104,214,.28);z-index:3}
.faq .accordion-body{padding:0 22px 24px;color:var(--text);font-size:15.5px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand);color:#EAF2FE;
  border-radius:20px;padding:56px 48px;box-shadow:0 18px 44px rgba(22,104,214,.28);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 240px at 92% 0%, rgba(23,184,166,.45), transparent 62%),
    radial-gradient(400px 220px at 8% 100%, rgba(11,68,148,.55), transparent 68%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,31px);margin-bottom:12px}
.cta-band p{font-size:16px;color:#D8E6FA;max-width:640px;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:26px}
.btn-white{background:#fff;border:1px solid #fff;color:var(--brand);padding:12px 26px;font-size:15.5px}
.btn-white:hover{background:#EAF2FE;border-color:#EAF2FE;color:var(--brand-active);text-decoration:none;transform:translateY(-1px)}
.btn-outline-white{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;padding:12px 24px;font-size:15.5px}
.btn-outline-white:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;text-decoration:none}
.cta-points{display:flex;flex-wrap:wrap;gap:12px 28px;font-size:14.5px;color:#DCE9FB}
.cta-points li{display:flex;align-items:center;gap:9px}
.cta-points .dot{background:#7FF0E0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark-2);color:#93A3BA;padding:66px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600}
.site-footer a{color:#93A3BA;font-size:14.5px}
.site-footer a:hover{color:#fff;text-decoration:none}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand b{color:#fff;font-size:16px;font-weight:700}
.footer-brand span{display:block;font-size:11.5px;color:#7D8DA6;letter-spacing:.16em}
.site-footer p{font-size:14.5px;line-height:1.85;color:#93A3BA;margin:0 0 12px}
.footer-links li{margin-bottom:10px}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;font-size:13.5px;color:#7D8DA6;
}
.footer-contact{font-size:14.5px;color:#93A3BA}
.footer-contact strong{color:#fff;font-weight:600}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
  .hero{padding-top:52px}
  .hero-visual img{height:340px}
  .hero-stats{margin-top:40px}
  .news-grid{grid-template-columns:1fr}
  .ladder{grid-template-columns:1fr}
  .ladder-item:nth-child(even){transform:none}
  .ladder-item:nth-child(even):hover{transform:translateY(-3px)}
  .quote-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .navbar-collapse{
    background:#fff;border-top:1px solid var(--line);
    margin:0 -20px;padding:12px 20px 22px;
    box-shadow:0 14px 26px rgba(15,27,45,.09);
  }
  .nav-menu{flex-direction:column;align-items:stretch;gap:2px;margin-bottom:8px}
  .nav-menu .nav-link{padding:14px 12px;min-height:48px;display:flex;align-items:center;border-radius:12px}
  .nav-menu .nav-link.active::after{display:none}
  .nav-menu .nav-link.active{background:var(--soft)}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px}
  .nav-actions .nav-link-plain{padding:12px;text-align:center;border:1px solid var(--line);border-radius:12px}
  .btn-sm-pill{text-align:center;padding:13px 22px}
  .cta-band{padding:40px 26px}
}
@media (max-width:767.98px){
  .hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-visual img{height:260px}
  .hero-float{left:16px;right:16px;bottom:16px;padding:12px 14px}
  .card-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .section-head{margin-bottom:30px}
  .hero-stats{grid-template-columns:1fr;border-top:1px solid var(--line)}
  .hero-stat + .hero-stat{border-left:none;border-top:1px solid var(--line)}
  .news-item img{width:84px;height:64px;flex:0 0 84px}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  .brand-text b{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 20px;border-radius:16px}
  .news-lead .body{padding:20px}
  .quote{padding:22px}
}

/* roulang page: article */
:root{
  --brand:#1668D6;
  --brand-hover:#0F55B4;
  --brand-active:#0B4494;
  --brand-soft:#EAF2FE;
  --teal:#17B8A6;
  --amber:#F5A524;
  --ink:#0F1B2D;
  --text:#44536B;
  --muted:#7A879B;
  --line:#E6ECF5;
  --bg:#F6F8FB;
  --panel:#EEF3FA;
  --white:#FFFFFF;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,27,45,.06);
  --sh-2:0 8px 24px rgba(15,27,45,.08);
  --sh-3:0 12px 32px rgba(22,104,214,.14);
  --ease:.2s ease;
  --bs-primary:#1668D6;
  --bs-body-color:#44536B;
  --bs-body-bg:#F6F8FB;
  --bs-border-color:#E6ECF5;
  --bs-link-color:#1668D6;
  --bs-link-hover-color:#0F55B4;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--brand-hover)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(22,104,214,.30);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){
  .container{max-width:1280px}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.site-header .navbar{
  padding:0;
  min-height:72px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 0;
  color:var(--ink);
  flex:0 0 auto;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;
  flex:0 0 38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:var(--brand);
  color:#fff;
  font-weight:700;
  font-size:17px;
  box-shadow:0 6px 16px rgba(22,104,214,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16.5px;color:var(--ink);letter-spacing:.2px}
.brand-text span{font-size:12.5px;color:var(--muted);letter-spacing:.6px}

.navbar-toggler{
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:10px;
  padding:9px 10px;
  background:var(--white);
  display:inline-flex;
  flex-direction:column;
  gap:4px;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(22,104,214,.20);outline:none}
.nav-toggle-bar{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
.navbar-toggler[aria-expanded="true"]{border-color:var(--brand);background:var(--brand-soft)}

.nav-menu{align-items:center;gap:2px}
.nav-menu .nav-link{
  position:relative;
  display:block;
  padding:10px 14px;
  font-size:15.5px;
  font-weight:500;
  color:var(--text);
  border-radius:10px;
  transition:color var(--ease),background-color var(--ease);
}
.nav-menu .nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-menu .nav-link.active{color:var(--brand);font-weight:600}
.nav-menu .nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-link-plain{
  font-size:14.5px;
  color:var(--text);
  padding:8px 4px;
}
.nav-link-plain:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--brand);
  border:1px solid var(--brand);
  color:#fff;
  font-weight:600;
  font-size:15px;
  padding:11px 24px;
  border-radius:var(--r-pill);
  transition:background-color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-brand:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;box-shadow:var(--sh-3);transform:translateY(-1px)}
.btn-brand:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0)}
.btn-sm-pill{padding:8px 18px;font-size:14.5px}
.btn-lg-pill{padding:14px 30px;font-size:16px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--white);
  border:1px solid var(--line);
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  padding:11px 24px;
  border-radius:var(--r-pill);
  transition:background-color var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);box-shadow:var(--sh-1)}
.btn-ghost:active{background:var(--brand-soft);color:var(--brand-active);border-color:var(--brand-active)}

/* ---------- 文章头部 ---------- */
.article-stage{
  background:linear-gradient(180deg,#FFFFFF 0%,#F6F8FB 100%);
  border-bottom:1px solid var(--line);
  padding:32px 0 40px;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:22px;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb-sep{color:#B9C4D4}
.crumb-current{
  color:var(--text);
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-head{max-width:880px}
.badge-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border:1px solid #D5E3FB;
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:16px;
}
.article-head h1{
  font-size:clamp(28px,4.2vw,44px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.2px;
  margin-bottom:18px;
}
.meta-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  font-size:14px;
  color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item strong{color:var(--text);font-weight:600}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C7D2E2;display:inline-block}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 8px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 320px;
  gap:56px;
  justify-content:center;
  align-items:start;
}
.article-body{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:44px 48px 32px;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  min-width:0;
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:26px;
  line-height:1.4;
  color:var(--ink);
  margin:40px 0 16px;
  padding-left:0;
}
.article-body h3{
  font-size:20px;
  line-height:1.45;
  color:var(--ink);
  margin:32px 0 12px;
}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:10px}
.article-body img{
  width:100%;
  height:auto;
  border-radius:var(--r-img);
  margin:26px 0;
  box-shadow:var(--sh-1);
}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  background:var(--panel);
  border-left:3px solid var(--brand);
  border-radius:0 10px 10px 0;
  color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-hover)}
.article-body strong{color:var(--ink)}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px}
.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(--panel);color:var(--ink);font-weight:600}
.article-body code{
  background:var(--panel);
  color:var(--brand-active);
  padding:2px 7px;
  border-radius:6px;
  font-size:14.5px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.empty-state{
  text-align:center;
  padding:26px 8px 34px;
}
.empty-state::before{
  content:"";
  display:block;
  width:72px;height:72px;
  margin:0 auto 20px;
  border-radius:22px;
  background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 24 24' fill='none' stroke='%231668D6' stroke-width='1.8' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5'/%3E%3C/svg%3E") center no-repeat;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{max-width:460px;margin:0 auto 22px;color:var(--muted)}

/* ---------- 侧栏 ---------- */
.article-aside{display:block;position:sticky;top:96px}
.aside-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px;
  margin-bottom:20px;
  transition:box-shadow var(--ease),transform var(--ease);
}
.aside-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.aside-card h3{font-size:17px;margin-bottom:14px;font-weight:600}
.aside-list li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:var(--text);
  margin-bottom:11px;
  line-height:1.7;
}
.aside-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 0 3px rgba(23,184,166,.14);
}
.aside-card .btn-brand,.aside-card .btn-ghost{width:100%;margin-top:6px}
.aside-link{
  display:block;
  text-align:center;
  font-size:14px;
  margin-top:14px;
  color:var(--brand);
}
.aside-link:hover{text-decoration:underline;text-underline-offset:3px}
.aside-card-soft{background:var(--panel);border-color:#DDE7F6;box-shadow:none}
.aside-card-soft p{font-size:14.5px;color:var(--text);margin-bottom:16px}

/* ---------- 相关入口 ---------- */
.section{padding:72px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:15px;max-width:640px}
.entry-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.entry-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.entry-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px)}
.entry-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--panel)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.entry-body h3{font-size:18px;margin-bottom:10px}
.entry-body p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.entry-link{
  margin-top:auto;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.entry-link:hover{color:var(--brand-hover);gap:10px}

/* ---------- FAQ ---------- */
.faq-section{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{
  background:var(--white);
  border:1px solid var(--line) !important;
  border-radius:14px !important;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease);
}
.accordion-item:hover{box-shadow:var(--sh-2)}
.accordion-button{
  background:var(--white);
  color:var(--ink);
  font-size:16.5px;
  font-weight:600;
  padding:20px 56px 20px 22px;
  box-shadow:none !important;
  border-radius:14px !important;
  transition:background-color var(--ease),color var(--ease);
}
.accordion-button:hover{background:var(--brand-soft);color:var(--brand)}
.accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--brand-soft);
  box-shadow:inset 3px 0 0 var(--brand) !important;
}
.accordion-button::after{
  content:"+";
  background-image:none;
  width:auto;height:auto;
  font-size:22px;
  line-height:1;
  font-weight:500;
  color:var(--brand);
  transform:none;
  position:absolute;
  right:22px;
  top:50%;
  margin:0;
  translate:0 -50%;
  transition:transform var(--ease),color var(--ease);
}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.accordion-body{
  padding:4px 24px 22px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--text);
  border-top:1px solid var(--line);
}

/* ---------- CTA 通栏 ---------- */
.cta-band{padding:72px 0 80px}
.cta-inner{
  background:var(--brand);
  border-radius:20px;
  padding:48px 52px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:36px;
  align-items:center;
  box-shadow:0 18px 44px rgba(22,104,214,.22);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  position:relative;
  overflow:hidden;
}
.cta-inner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(11,68,148,.94) 0%,rgba(22,104,214,.88) 55%,rgba(23,184,166,.62) 100%);
}
.cta-inner > *{position:relative;z-index:1}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.86);margin-bottom:16px;max-width:620px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px}
.cta-points li{
  font-size:13.5px;
  color:#fff;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.cta-actions .btn-brand{background:#fff;border-color:#fff;color:var(--brand-active)}
.cta-actions .btn-brand:hover{background:#F1F6FE;border-color:#F1F6FE;color:var(--brand-active)}
.cta-link{color:#fff;font-size:14.5px;font-weight:600}
.cta-link:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#A7B4C8;
  padding:64px 0 28px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:#fff;display:block;font-size:16px;line-height:1.2}
.footer-brand span span{font-size:12.5px;color:#8296B0;letter-spacing:.6px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.site-footer p{color:#A7B4C8;line-height:1.8}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#A7B4C8}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact{margin-bottom:6px}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:#8296B0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,820px);justify-content:center;gap:0}
  .article-aside{display:none}
}
@media (max-width:991px){
  .site-header .navbar{min-height:64px}
  .navbar-collapse{
    flex-basis:100%;
    margin-top:12px;
    padding:12px 0 18px;
    border-top:1px solid var(--line);
  }
  .nav-menu{align-items:stretch;gap:4px}
  .nav-menu .nav-link{padding:13px 14px;min-height:48px;display:flex;align-items:center}
  .nav-menu .nav-link.active::after{left:14px;right:auto;width:28px;bottom:8px}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:14px}
  .nav-link-plain{padding:10px 14px}
  .nav-actions .btn-brand{width:100%}
  .section{padding:56px 0}
  .cta-inner{grid-template-columns:1fr;padding:36px 28px;gap:24px}
  .cta-actions{flex-direction:row;align-items:center;flex-wrap:wrap}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .article-stage{padding:22px 0 30px}
  .article-main{padding:36px 0 0}
  .article-body{padding:28px 22px 20px;font-size:16px;line-height:1.8;border-radius:14px}
  .article-body h2{font-size:22px;margin:32px 0 14px}
  .article-body h3{font-size:18px}
  .section{padding:48px 0}
  .entry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575px){
  .brand-text b{font-size:15.5px}
  .brand-text span{font-size:11.5px}
  .article-head h1{font-size:26px}
  .meta-bar{font-size:13px;gap:8px}
  .cta-inner{padding:30px 22px;border-radius:16px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn-brand{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .accordion-button{font-size:15.5px;padding:17px 48px 17px 18px}
}

/* roulang page: category1 */
:root{
  --brand:#1668D6;
  --brand-hover:#0F55B4;
  --brand-active:#0B4494;
  --brand-rgb:22,104,214;
  --accent:#17B8A6;
  --amber:#F5A524;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --line:#E6ECF5;
  --soft:#EEF3FA;
  --ink:#0F1B2D;
  --text:#44536B;
  --muted:#7A879B;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --sh-1:0 1px 2px rgba(15,27,45,.06);
  --sh-2:0 8px 24px rgba(15,27,45,.08);
  --sh-3:0 12px 32px rgba(22,104,214,.14);
  --tr:200ms cubic-bezier(.2,.6,.3,1);
  --bs-primary:#1668D6;
  --bs-primary-rgb:22,104,214;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--brand-hover);text-decoration:underline;text-underline-offset:3px}
button{font:inherit}
ul,ol{padding-left:0;list-style:none}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.3}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
:focus-visible{outline:3px solid rgba(var(--brand-rgb),.3);outline-offset:2px;border-radius:6px}
::selection{background:rgba(var(--brand-rgb),.16)}
.container{width:100%;padding-right:20px;padding-left:20px;margin-right:auto;margin-left:auto}
@media (min-width:992px){.container{max-width:960px}}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(15,27,45,.08)}
.site-header .navbar{min-height:72px;padding:0;display:flex;align-items:center;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;padding:6px 0;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(var(--brand-rgb),.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.14em;margin-top:2px}
.nav-menu{gap:4px}
.nav-menu .nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text);
  border-radius:var(--radius-sm);transition:color var(--tr),background var(--tr);
}
.nav-menu .nav-link:hover{color:var(--brand);background:var(--soft);text-decoration:none}
.nav-menu .nav-link.active{color:var(--brand);font-weight:600}
.nav-menu .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:16px}
.nav-link-plain{font-size:14.5px;color:var(--text);white-space:nowrap}
.nav-link-plain:hover{color:var(--brand)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:999px;padding:11px 24px;font-size:15px;font-weight:600;
  box-shadow:0 8px 24px rgba(15,27,45,.08);
  transition:background var(--tr),border-color var(--tr),box-shadow var(--tr),transform var(--tr);
  cursor:pointer;
}
.btn-brand:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;text-decoration:none;box-shadow:0 12px 32px rgba(22,104,214,.14);transform:translateY(-1px)}
.btn-brand:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0)}
.btn-sm-pill{padding:9px 20px;font-size:14.5px}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;color:var(--brand);border:1px solid rgba(var(--brand-rgb),.55);
  border-radius:999px;padding:11px 24px;font-size:15px;font-weight:600;
  transition:background var(--tr),border-color var(--tr),color var(--tr),transform var(--tr);
  cursor:pointer;
}
.btn-outline-brand:hover{background:rgba(var(--brand-rgb),.08);border-color:var(--brand);color:var(--brand-hover);text-decoration:none;transform:translateY(-1px)}
.btn-outline-brand:active{background:rgba(var(--brand-rgb),.14)}
.navbar-toggler{border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px;background:#fff}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(var(--brand-rgb),.18);outline:none}
.nav-toggle-bar{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;margin:4px 0}
@media (max-width:991.98px){
  .site-header .navbar{padding:12px 0;min-height:auto}
  .navbar-collapse{background:#fff;border-top:1px solid var(--line);margin-top:12px;padding:8px 0 16px}
  .nav-menu{gap:0}
  .nav-menu .nav-link{padding:14px 12px;font-size:16px;border-radius:var(--radius-sm)}
  .nav-menu .nav-link.active::after{display:none}
  .nav-actions{flex-direction:column;align-items:stretch;gap:10px;padding:12px 12px 0;border-top:1px solid var(--line);margin-top:8px}
  .nav-actions .btn-brand,.nav-actions .nav-link-plain{width:100%;text-align:center;justify-content:center;min-height:48px;display:inline-flex;align-items:center}
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:92px 0 78px;
  background-image:
    linear-gradient(118deg, rgba(11,68,148,.94) 0%, rgba(15,27,45,.88) 62%, rgba(15,27,45,.82) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover,cover;
  background-position:center,center;
  background-repeat:no-repeat,no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,184,166,.35),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumb{font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.45)}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,44px);font-weight:700;line-height:1.25;
  max-width:860px;letter-spacing:.01em;
}
.hero-sub{margin-top:18px;max-width:640px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.84)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.page-hero .btn-brand{background:#fff;color:var(--brand);border-color:#fff;box-shadow:0 12px 30px rgba(0,0,0,.18)}
.page-hero .btn-brand:hover{background:#EAF2FE;border-color:#EAF2FE;color:var(--brand-hover)}
.page-hero .btn-outline-brand{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.page-hero .btn-outline-brand:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:44px;margin-top:44px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stat b{display:block;font-size:28px;font-weight:700;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stat span{display:block;font-size:13.5px;color:rgba(255,255,255,.7);margin-top:6px}
@media (max-width:767.98px){
  .page-hero{padding:64px 0 52px}
  .hero-stats{gap:28px;margin-top:34px}
  .hero-stat b{font-size:23px}
}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-soft{background:var(--soft)}
.section-tight{padding-top:0}
.sec-head{max-width:800px;margin-bottom:40px}
.sec-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;
  color:var(--brand);background:rgba(var(--brand-rgb),.08);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.sec-title{font-size:clamp(23px,3vw,32px);font-weight:700;letter-spacing:.01em}
.sec-lead{margin-top:14px;font-size:16px;color:var(--text);line-height:1.8}
@media (max-width:991.98px){.section{padding:64px 0}}
@media (max-width:575.98px){.section{padding:48px 0} .sec-head{margin-bottom:28px}}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
@media (max-width:991.98px){.split{grid-template-columns:1fr;gap:32px}}
.split-figure{position:relative}
.split-figure img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--sh-2);aspect-ratio:16/11;object-fit:cover}
.float-badge{
  position:absolute;left:-14px;bottom:22px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:12px 18px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;
}
.float-badge .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(23,184,166,.16)}
.float-badge b{font-size:14.5px;color:var(--ink);font-weight:600}
@media (max-width:575.98px){.float-badge{left:8px;bottom:12px;padding:10px 14px}}

.point-list{display:grid;gap:14px;margin-top:24px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text)}
.point-list .tick{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:rgba(23,184,166,.12);color:var(--accent);
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.point-list .tick svg{width:12px;height:12px}

/* ---------- Compare table ---------- */
.scroll-hint{display:none;font-size:13px;color:var(--muted);margin-bottom:10px}
@media (max-width:767.98px){.scroll-hint{display:block}}
.table-card{
  background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--sh-2);
  border:1px solid var(--line);padding:10px;
}
.table-wrap{overflow-x:auto;border-radius:var(--radius-md);-webkit-overflow-scrolling:touch}
table.cmp-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;margin:0}
table.cmp-table th,table.cmp-table td{
  padding:16px 18px;text-align:center;font-size:15px;border-bottom:1px solid var(--line);
  white-space:nowrap;vertical-align:middle;
}
table.cmp-table thead th{
  position:sticky;top:0;z-index:2;background:#fff;color:var(--ink);font-weight:600;
  font-size:15.5px;padding-top:20px;padding-bottom:18px;
}
table.cmp-table tbody tr:last-child td{border-bottom:none}
table.cmp-table tbody tr:hover td{background:#F9FBFE}
table.cmp-table .col-feature{
  text-align:left;font-weight:500;color:var(--ink);
  position:sticky;left:0;background:#fff;z-index:1;min-width:190px;
}
table.cmp-table tbody tr:hover .col-feature{background:#F9FBFE}
table.cmp-table thead .col-feature{z-index:3}
th.is-rec{color:var(--brand);box-shadow:inset 0 0 0 2px rgba(var(--brand-rgb),.55);border-radius:12px 12px 0 0}
.rec-badge{
  display:inline-block;margin-left:8px;background:var(--amber);color:#3D2703;
  font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:999px;vertical-align:1px;
}
.ic{width:20px;height:20px;display:inline-block;vertical-align:middle}
.ic-yes{color:var(--accent)}
.ic-no{color:#C4CEDD}
.tval{font-weight:600;color:var(--ink);font-size:14.5px}
.tval-plus{font-weight:600;color:var(--brand);font-size:14.5px}
.table-note{margin-top:16px;font-size:13.5px;color:var(--muted)}

/* ---------- Entry cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991.98px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.grid-3{grid-template-columns:1fr}}
.entry-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:transparent}
.entry-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-badge{
  position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);
  color:var(--brand);font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:999px;
  box-shadow:var(--sh-1);
}
.entry-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body h3{
  font-size:18px;font-weight:600;line-height:1.45;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-body h3 a{color:var(--ink)}
.entry-body h3 a:hover{color:var(--brand);text-decoration:none}
.entry-body p{
  font-size:14.5px;color:var(--text);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.entry-meta a{font-weight:600}

/* ---------- Channel bar ---------- */
.channel-bar{
  margin-top:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-1);
}
.channel-bar h3{font-size:19px;font-weight:600}
.channel-bar p{margin-top:6px;font-size:14.5px;color:var(--muted)}
.channel-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
@media (max-width:767.98px){
  .channel-bar{flex-direction:column;align-items:flex-start;padding:24px;gap:18px}
  .channel-actions{width:100%}
  .channel-actions .btn-brand,.channel-actions .btn-outline-brand{width:100%}
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:14px;overflow:hidden;transition:border-color var(--tr),box-shadow var(--tr);
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item:has(.faq-q:not(.collapsed)){border-left-color:var(--brand);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:none;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.55;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform var(--tr),opacity var(--tr);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-q:not(.collapsed) .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text);max-width:760px}

/* ---------- CTA band ---------- */
.cta-band{
  background:rgba(var(--brand-rgb),.06);border:1px solid rgba(var(--brand-rgb),.24);
  border-radius:20px;padding:52px 44px;text-align:center;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px)}
.cta-band .cta-desc{margin:14px auto 0;max-width:620px;font-size:16px;color:var(--text)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.cta-points{display:flex;flex-wrap:wrap;gap:26px;justify-content:center;margin-top:26px;font-size:14px;color:var(--text)}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
@media (max-width:575.98px){
  .cta-band{padding:34px 22px;border-radius:16px}
  .cta-actions .btn-brand,.cta-actions .btn-outline-brand{width:100%}
  .cta-points{gap:14px}
}

/* ---------- Footer ---------- */
.site-footer{background:#0F1B2D;color:rgba(255,255,255,.66);padding:68px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:40px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.04em}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--brand);box-shadow:none}
.footer-brand b{display:block;font-size:16px;color:#fff;font-weight:700;line-height:1.2}
.footer-brand span{display:block;font-size:11.5px;color:rgba(255,255,255,.55);letter-spacing:.14em;margin-top:2px}
.site-footer p{line-height:1.8;margin:0 0 10px}
.footer-links{display:grid;gap:10px;margin:0}
.footer-links a{color:rgba(255,255,255,.7);font-size:14.5px}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:48px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* roulang page: category2 */
:root{
  --brand:#1668D6;
  --brand-hover:#0F55B4;
  --brand-active:#0B4494;
  --brand-soft:#E7F0FC;
  --accent:#17B8A6;
  --accent-soft:#E3F7F4;
  --amber:#F5A524;
  --amber-soft:#FEF3DF;
  --ink:#0F1B2D;
  --text:#44536B;
  --muted:#7A879B;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#EEF3FA;
  --line:#E6ECF5;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,27,45,.06);
  --shadow-2:0 8px 24px rgba(15,27,45,.08);
  --shadow-3:0 12px 32px rgba(22,104,214,.14);
  --t:200ms cubic-bezier(.4,0,.2,1);
  --bs-primary:#1668D6;
  --bs-body-color:#44536B;
  --bs-body-bg:#F6F8FB;
  --bs-border-color:#E6ECF5;
  --bs-link-color:#1668D6;
  --bs-link-hover-color:#0F55B4;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-hover);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:700;}
h1{font-size:clamp(28px,4.2vw,44px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,32px);}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(22,104,214,.3);border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.navbar{padding:0;min-height:72px;align-items:center;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),#2E86F0);
  color:#fff;font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(22,104,214,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;color:var(--ink);letter-spacing:.2px;}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:2px;}
.nav-menu{gap:6px;}
.nav-menu .nav-link{
  position:relative;padding:10px 14px;font-size:15.5px;color:var(--text);
  font-weight:500;border-radius:var(--radius-pill);transition:color var(--t),background var(--t);
}
.nav-menu .nav-link:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none;}
.nav-menu .nav-link.active{color:var(--brand);font-weight:600;}
.nav-menu .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:18px;}
.nav-link-plain{font-size:15px;color:var(--text);}
.nav-link-plain:hover{color:var(--brand);text-decoration:none;}
.btn-brand{
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--radius-pill);padding:11px 24px;font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(22,104,214,.24);transition:all var(--t);
}
.btn-brand:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-3);text-decoration:none;}
.btn-brand:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0);}
.btn-sm-pill{padding:9px 20px;font-size:14.5px;}
.btn-ghost{
  background:#fff;color:var(--brand);border:1px solid #C9DCF6;
  border-radius:var(--radius-pill);padding:11px 24px;font-size:15px;font-weight:600;
  transition:all var(--t);
}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-hover);text-decoration:none;}
.btn-ghost:active{background:#D9E7FA;}
.navbar-toggler{
  border:1px solid var(--line);border-radius:10px;padding:8px 10px;
  display:inline-flex;flex-direction:column;gap:4px;background:#fff;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(22,104,214,.3);}
.nav-toggle-bar{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;}

@media (max-width:991.98px){
  .navbar{flex-wrap:wrap;padding:12px 0;}
  .navbar-collapse{
    flex-basis:100%;background:#fff;border-top:1px solid var(--line);
    margin-top:12px;padding:12px 0 18px;
  }
  .nav-menu{gap:0;margin:0 0 10px;}
  .nav-menu .nav-link{padding:14px 4px;min-height:48px;display:flex;align-items:center;border-radius:8px;}
  .nav-menu .nav-link.active::after{left:4px;right:auto;width:26px;bottom:6px;}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px;padding:0 4px;}
  .nav-actions .btn-brand{text-align:center;}
  .nav-link-plain{padding:10px 4px;min-height:44px;display:flex;align-items:center;border-top:1px solid var(--line);}
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0;font-size:13.5px;color:var(--muted);}
.crumb-bar a{color:var(--muted);}
.crumb-bar a:hover{color:var(--brand);}
.crumb-sep{margin:0 8px;color:#C3CEDD;}

/* ---------- Hero ---------- */
.hero{padding:26px 0 72px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.5px;
  padding:7px 14px;border-radius:var(--radius-pill);margin-bottom:20px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(23,184,166,.18);}
.hero h1{margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:17px;color:var(--text);max-width:560px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px solid var(--line);padding-top:20px;
}
.hero-stats .stat{padding-right:28px;margin-right:28px;border-right:1px solid var(--line);}
.hero-stats .stat:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stats b{
  display:block;font-size:26px;color:var(--ink);font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;line-height:1.2;
}
.hero-stats span{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--radius);box-shadow:var(--shadow-2);
  aspect-ratio:4/3;object-fit:cover;
}
.hero-badge{
  position:absolute;left:-14px;bottom:26px;
  background:#fff;border-radius:14px;box-shadow:var(--shadow-2);
  padding:12px 18px;display:flex;align-items:center;gap:10px;
  border:1px solid var(--line);
}
.hero-badge .chip{
  background:var(--amber-soft);color:#9A6100;
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--radius-pill);
}
.hero-badge small{display:block;font-size:12px;color:var(--muted);line-height:1.4;}
.hero-badge strong{display:block;font-size:14px;color:var(--ink);}

@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero{padding:18px 0 56px;}
  .hero-visual{order:-1;}
}
@media (max-width:575.98px){
  .hero-stats .stat{padding-right:18px;margin-right:18px;}
  .hero-stats b{font-size:22px;}
  .hero-badge{left:10px;bottom:14px;padding:10px 14px;}
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:var(--surface-2);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--accent);
  background:var(--accent-soft);padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:16px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--text);margin:0;}
@media (max-width:991.98px){.section{padding:64px 0;}.section-head{margin-bottom:34px;}}
@media (max-width:575.98px){.section{padding:48px 0;}}

/* ---------- 阶梯等级 ---------- */
.tier-list{display:flex;flex-direction:column;gap:20px;}
.tier{
  display:grid;grid-template-columns:96px 1fr auto;gap:28px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 32px;box-shadow:var(--shadow-1);transition:all var(--t);
}
.tier:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D4E3F7;}
.tier-no{
  font-size:40px;font-weight:700;color:#DCE7F6;line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.tier-body h3{margin-bottom:8px;}
.tier-body p{margin:0;font-size:15px;color:var(--text);}
.tier-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);
}
.tag-open{background:var(--accent-soft);color:#0E8C7E;}
.tag-mid{background:var(--brand-soft);color:var(--brand);}
.tag-high{background:var(--amber-soft);color:#9A6100;}
.tag-plain{background:var(--surface-2);color:var(--muted);}
.tier-side{text-align:right;}
.tier-side b{display:block;font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums;}
.tier-side span{font-size:13px;color:var(--muted);}
@media (max-width:991.98px){
  .tier{grid-template-columns:64px 1fr;gap:20px;padding:24px;}
  .tier-side{grid-column:2;text-align:left;display:flex;align-items:baseline;gap:8px;}
  .tier-side b{font-size:18px;}
  .tier-no{font-size:32px;}
}
@media (max-width:575.98px){
  .tier{grid-template-columns:1fr;gap:14px;}
  .tier-side{grid-column:1;}
}

/* ---------- 内容卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.content-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:all var(--t);
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:#D4E3F7;}
.content-card .thumb{
  aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);
}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.content-card:hover .thumb img{transform:scale(1.03);}
.content-card .card-body-c{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.content-card h3{font-size:18.5px;margin:12px 0 10px;}
.content-card p{font-size:14.5px;color:var(--text);margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--muted);
}
.card-foot a{font-weight:600;}
@media (max-width:991.98px){.card-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (max-width:575.98px){.card-grid{grid-template-columns:1fr;}}

/* ---------- 深色节奏面板 ---------- */
.dark-panel{
  position:relative;background:#0F1B2D;border-radius:20px;overflow:hidden;
  padding:56px;color:#C8D6EA;
}
.dark-panel::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.16;filter:blur(1px);
}
.dark-panel > *{position:relative;}
.dark-panel h2{color:#fff;margin-bottom:14px;}
.dark-panel .panel-lead{color:#A9BBD6;max-width:640px;margin-bottom:40px;font-size:16px;}
.meter-row{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.meter-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-sm);padding:22px;}
.meter-item .meter-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px;}
.meter-item .meter-top span{font-size:14px;color:#B7C6DD;}
.meter-item .meter-top b{font-size:24px;color:#fff;font-variant-numeric:tabular-nums;}
.meter{height:8px;background:rgba(255,255,255,.14);border-radius:var(--radius-pill);overflow:hidden;}
.meter i{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--accent),#3E9BFF);}
.meter-note{margin-top:12px;font-size:13px;color:#8FA2BE;}
@media (max-width:991.98px){
  .dark-panel{padding:36px 26px;border-radius:var(--radius);}
  .meter-row{grid-template-columns:1fr;gap:16px;}
}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rec-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-1);transition:all var(--t);color:var(--text);
}
.rec-card:hover{box-shadow:var(--shadow-3);transform:translateY(-2px);text-decoration:none;border-color:#D4E3F7;}
.rec-card .rec-icon{
  width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;margin-bottom:16px;
}
.rec-card h3{font-size:17.5px;margin-bottom:10px;}
.rec-card p{font-size:14.5px;margin:0 0 14px;color:var(--text);}
.rec-card .rec-link{font-size:14px;font-weight:600;color:var(--brand);}
@media (max-width:991.98px){.rec-grid{grid-template-columns:1fr;gap:16px;}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--radius)!important;
  margin-bottom:14px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow-1);
}
.accordion-button{
  background:var(--surface);color:var(--ink);font-size:17px;font-weight:600;
  padding:22px 24px;border:0;box-shadow:none!important;transition:background var(--t),box-shadow var(--t);
}
.accordion-button:not(.collapsed){
  background:#FBFDFF;color:var(--brand);
  box-shadow:inset 3px 0 0 var(--brand)!important;
}
.accordion-button::after{
  content:"＋";font-size:20px;font-weight:400;color:var(--brand);
  background-image:none!important;width:auto;height:auto;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--t);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(22,104,214,.3)!important;}
.accordion-body{padding:4px 24px 24px;font-size:15.5px;color:var(--text);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand);border-radius:20px;padding:56px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  border-radius:50%;background:rgba(255,255,255,.08);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:44px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:14px;font-size:clamp(24px,3vw,32px);}
.cta-band p{color:rgba(255,255,255,.86);margin:0 0 22px;font-size:15.5px;}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:rgba(255,255,255,.9);}
.cta-points span{display:inline-flex;align-items:center;gap:7px;}
.cta-points svg{width:15px;height:15px;stroke:#8FF0E3;stroke-width:2.6;fill:none;}
.cta-box{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-2);}
.cta-box h3{font-size:18px;margin-bottom:8px;}
.cta-box .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.subscribe-form{display:flex;gap:10px;}
.form-control{
  height:48px;border-radius:10px;border:1px solid #D8E2F0;font-size:15px;
  padding:0 16px;color:var(--ink);background:#fff;box-shadow:none;
}
.form-control::placeholder{color:#A6B3C6;}
.form-control:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,104,214,.3);background:#fff;
}
.subscribe-form .btn-brand{white-space:nowrap;border-radius:10px;}
.cta-note{margin-top:14px;font-size:12.5px;color:var(--muted);}
@media (max-width:991.98px){
  .cta-band{padding:36px 26px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:575.98px){
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn-brand{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1B2D;color:#9FB0C8;margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:17px;}
.footer-brand b{color:#fff;font-size:16px;display:block;line-height:1.2;}
.footer-brand span span{font-size:11.5px;letter-spacing:1.6px;color:#7C90AD;}
.site-footer p{font-size:14px;line-height:1.8;color:#93A6C0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:#9FB0C8;font-size:14px;}
.footer-links a:hover{color:#fff;text-decoration:none;}
.footer-contact{font-size:14px;margin-bottom:8px;}
.footer-contact strong{color:#DCE6F5;font-weight:600;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:#7C90AD;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}.site-footer{padding-top:48px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}.footer-bottom{flex-direction:column;}}