/* roulang page: index */
:root{
  --brand:#17568F;
  --brand-deep:#0E2C46;
  --brand-light:#2C7FC4;
  --accent:#F2622A;
  --green:#12A08A;
  --bg:#F6F8FB;
  --bg-alt:#EDF2F8;
  --card:#FFFFFF;
  --border:#E1E8F0;
  --line:#EEF2F7;
  --text:#10202E;
  --text-2:#4A5B6C;
  --text-3:#8A99A8;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-group:18px;
  --sh-1:0 1px 2px rgba(16,32,46,.04);
  --sh-2:0 8px 24px rgba(16,32,46,.06);
  --sh-3:0 12px 32px rgba(16,32,46,.10);
  --container:1200px;
  --focus:0 0 0 3px rgba(44,127,196,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",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;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--text);margin:0;word-break:keep-all;overflow-wrap:break-word}
h1{font-size:38px}
h2{font-size:27px}
h3{font-size:19px;font-weight:600}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1280px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--border);box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brand-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap}
.brand-text span{color:var(--brand)}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;min-width:0}
.nav-channels a{
  position:relative;
  padding:8px 12px;font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
  border-radius:8px;
}
.nav-channels a:hover{color:var(--brand);background:var(--bg-alt)}
.nav-channels a.active{color:var(--brand);font-weight:600}
.nav-channels a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{
  position:absolute;left:12px;width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;pointer-events:none;
}
.nav-search input{
  width:220px;height:40px;padding:0 14px 0 36px;font-size:14px;color:var(--text);
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-pill);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand-light);box-shadow:var(--focus)}
.btn-line,.btn-brand,.btn-accent,.btn-quiet{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;line-height:1;
  border-radius:var(--radius-btn);border:1px solid transparent;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;text-align:center;
}
.btn-line{height:40px;padding:0 18px;background:#fff;border-color:var(--border);color:var(--text)}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-brand{height:44px;padding:0 22px;background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-brand:hover{background:var(--brand-light);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0)}
.btn-accent{height:46px;padding:0 24px;background:var(--accent);color:#fff;font-size:16px;box-shadow:var(--sh-1)}
.btn-accent:hover{background:#dc521d;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0)}
.btn-quiet{background:transparent;color:var(--brand);padding:0;height:auto;text-decoration:underline;text-underline-offset:4px}
.btn-quiet:hover{color:var(--accent)}
.btn-brand:focus-visible,.btn-accent:focus-visible,.btn-line:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-toggler{
  display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:var(--radius-btn);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggler svg{width:20px;height:20px;stroke:var(--text);fill:none;stroke-width:1.5;stroke-linecap:round}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);box-shadow:var(--sh-2);padding:16px 0 22px}
.mobile-panel.open{display:block}
.mobile-panel .m-title{font-size:13px;color:var(--text-3);margin:10px 0 6px;padding:0 24px}
.mobile-panel a.m-link{display:block;padding:11px 24px;font-size:15px;color:var(--text-2);border-radius:0}
.mobile-panel a.m-link:hover{background:var(--bg-alt);color:var(--brand)}
.mobile-panel .m-actions{padding:14px 24px 0;display:flex;flex-direction:column;gap:10px}
.mobile-panel .m-actions .btn-line,.mobile-panel .m-actions .btn-accent{width:100%}
.mobile-search{margin:6px 24px 4px}
.mobile-search input{width:100%}

@media (max-width:1199px){
  .nav-search input{width:180px}
}
@media (max-width:991px){
  .nav-channels,.nav-search,.nav-actions .btn-line{display:none}
  .nav-toggler{display:inline-flex}
  .nav-wrap{height:60px;justify-content:space-between}
  h1{font-size:28px}
  h2{font-size:22px}
}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(23,86,143,.08);border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:14px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.sec-title{position:relative;padding-left:16px}
.sec-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:24px;border-radius:2px;background:var(--brand);
}
.sec-head.center .sec-title{padding-left:0;display:inline-block}
.sec-head.center .sec-title::before{display:none}
.sec-desc{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.8}
.link-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.link-more:hover svg{transform:translateX(3px)}
.track-line{
  height:12px;
  background-image:repeating-linear-gradient(to right,rgba(23,86,143,.28) 0 1px,transparent 1px 22px);
  background-position:left bottom;background-size:100% 12px;background-repeat:repeat-x;
  border-bottom:1px solid rgba(23,86,143,.14);
}
@media (max-width:991px){.section{padding:64px 0}}
@media (max-width:575px){.section{padding:48px 0}.container-x{padding:0 16px}}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,#FFFFFF 0%,#F6F8FB 100%);padding:64px 0 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-bottom:56px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-deep);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);padding:7px 15px;box-shadow:var(--sh-1);
}
.hero-badge span{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}
.hero h1{margin:18px 0 16px;font-size:38px;letter-spacing:.2px}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;border-radius:4px;
  background:rgba(242,98,42,.14);z-index:-1;
}
.hero-sub{font-size:19px;color:var(--text-2);line-height:1.75;max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px 36px;padding-top:22px;border-top:1px solid var(--border)}
.hero-stats .st{min-width:120px}
.hero-stats .st b{display:block;font-size:24px;font-weight:700;color:var(--brand-deep);letter-spacing:.3px}
.hero-stats .st b i{font-style:normal;font-size:14px;font-weight:600;color:var(--text-2);margin-left:4px}
.hero-stats .st span{font-size:14px;color:var(--text-3)}
.hero-visual{position:relative}
.hero-visual .pic{
  border-radius:var(--radius-group);overflow:hidden;box-shadow:var(--sh-2);
  aspect-ratio:16/11;background:var(--bg-alt);
}
.hero-visual .pic img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;left:-18px;bottom:26px;background:#fff;border-radius:var(--radius-card);
  box-shadow:var(--sh-3);padding:16px 18px;min-width:200px;border:1px solid var(--line);
}
.float-card b{display:block;font-size:20px;color:var(--brand-deep)}
.float-card span{font-size:13px;color:var(--text-3)}
.float-card .bar{height:6px;border-radius:3px;background:var(--bg-alt);margin-top:10px;overflow:hidden}
.float-card .bar i{display:block;height:100%;width:72%;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--brand-light))}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:44px}
  .hero{padding-top:40px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:17px}
  .hero-visual .pic{aspect-ratio:16/10}
  .float-card{left:12px;bottom:14px}
}
@media (max-width:575px){
  .hero-stats{gap:14px 24px}
  .hero-stats .st b{font-size:20px}
  .hero-btns .btn-brand,.hero-btns .btn-line{width:100%}
}

/* ---------- 权益对比 ---------- */
.compare-scroll{overflow-x:auto;padding-bottom:6px}
.compare{
  display:grid;
  grid-template-columns:210px repeat(4,minmax(150px,1fr));
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-group);
  overflow:hidden;min-width:820px;box-shadow:var(--sh-1);
}
.compare > div{padding:16px 18px;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2)}
.compare > div.head{border-bottom:1px solid var(--border);background:#fff;padding:22px 18px;text-align:center}
.compare > div.rowhead{
  font-weight:600;color:var(--text);background:#fff;position:sticky;left:0;z-index:2;
  border-right:1px solid var(--line);display:flex;align-items:center;
}
.compare > div.rowhead.first{align-items:flex-end;font-size:15px;color:var(--text)}
.head .plan{font-size:17px;font-weight:700;color:var(--text)}
.head .price{display:block;margin-top:6px;font-size:13px;color:var(--text-3)}
.head .tag-rec{
  display:inline-block;margin-bottom:8px;font-size:12px;font-weight:600;color:#fff;
  background:var(--accent);border-radius:var(--radius-pill);padding:3px 10px;
}
.compare .col-recommend{background:#F3F8FD}
.compare .col-recommend.head{background:var(--brand-deep)}
.compare .col-recommend.head .plan{color:#fff}
.compare .col-recommend.head .price{color:#D7E5F2}
.compare .last-row{border-bottom:none}
.cell-yes,.cell-no{display:flex;align-items:center;gap:8px;justify-content:center}
.cell-yes svg{width:17px;height:17px;stroke:var(--green);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.cell-no i{display:inline-block;width:14px;height:2px;border-radius:1px;background:#C7D2DE}
.compare-mobile{display:none;flex-direction:column;gap:16px}
.plan-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;box-shadow:var(--sh-1);
}
.plan-card.rec{border-color:var(--brand);box-shadow:var(--sh-2)}
.plan-card h3{font-size:18px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.plan-card .p-price{font-size:13px;color:var(--text-3);margin:6px 0 14px}
.plan-card ul{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.plan-card ul li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.6}
.plan-card ul li svg{width:16px;height:16px;stroke:var(--green);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;margin-top:4px}
.plan-card .btn-brand,.plan-card .btn-line{width:100%}
@media (max-width:991px){
  .compare-scroll{display:none}
  .compare-mobile{display:flex}
}

/* ---------- 等级亮点 ---------- */
.level-track{position:relative;margin-bottom:34px}
.level-track .rail{height:3px;border-radius:2px;background:var(--border);position:relative}
.level-track .rail i{position:absolute;left:0;top:0;height:100%;border-radius:2px;background:var(--brand);width:78%}
.level-track .nodes{display:flex;justify-content:space-between;margin-top:-14px;position:relative}
.level-track .nodes .node{display:flex;flex-direction:column;align-items:center;gap:8px;width:25%}
.level-track .nodes .dot{
  width:28px;height:28px;border-radius:50%;background:#fff;border:2px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--text-3);
}
.level-track .nodes .dot.on{background:var(--brand);border-color:var(--brand);color:#fff}
.level-track .nodes .dot.deep{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff}
.level-track .nodes .nm{font-size:13px;color:var(--text-2)}
.level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:start}
.level-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;position:relative;
}
.level-card::before{
  content:"";position:absolute;right:0;top:0;width:22px;height:22px;
  background:linear-gradient(225deg,var(--bg-alt) 0 50%,transparent 50%);
  border-top-right-radius:var(--radius-card);
}
.level-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.level-card:nth-child(1){margin-top:34px}
.level-card:nth-child(2){margin-top:22px}
.level-card:nth-child(3){margin-top:11px}
.level-card:nth-child(4){margin-top:0;border-color:var(--brand)}
.level-card .lv-no{font-size:12px;font-weight:700;color:var(--brand);letter-spacing:1px}
.level-card h3{margin:10px 0 8px;font-size:19px}
.level-card .lv-gate{font-size:13px;color:var(--text-3);padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:14px}
.level-card ul{display:flex;flex-direction:column;gap:9px;margin-bottom:18px}
.level-card ul li{font-size:14px;color:var(--text-2);line-height:1.6;padding-left:14px;position:relative}
.level-card ul li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:1px;background:var(--brand-light)}
@media (max-width:991px){
  .level-grid{grid-template-columns:1fr 1fr}
  .level-card{margin-top:0 !important}
}
@media (max-width:575px){
  .level-grid{grid-template-columns:1fr}
  .level-track{display:none}
}

/* ---------- 内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.preview-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;position:relative;display:flex;flex-direction:column;
}
.preview-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.preview-card.tall{grid-row:span 2}
.preview-card .cover{position:relative;aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden}
.preview-card.tall .cover{aspect-ratio:4/5}
.preview-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.preview-card:hover .cover img{transform:scale(1.03)}
.preview-card .lv-tag{
  position:absolute;top:12px;right:12px;font-size:12px;font-weight:600;color:#fff;
  background:rgba(14,44,70,.86);border-radius:var(--radius-pill);padding:4px 11px;
}
.preview-card .lv-tag.free{background:rgba(18,160,138,.92)}
.preview-card .lock{
  position:absolute;inset:0;background:rgba(14,44,70,.62);backdrop-filter:blur(1px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
}
.preview-card .lock svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.preview-card .lock span{font-size:13px;color:#D7E5F2}
.preview-card .lock .btn-line{background:rgba(255,255,255,.94);border-color:transparent;color:var(--brand-deep);height:38px;font-size:14px}
.preview-card .lock .btn-line:hover{background:#fff;color:var(--accent)}
.preview-card .p-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.preview-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.preview-card .p-desc{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.preview-card .p-meta{font-size:13px;color:var(--text-3);margin-top:auto}
.preview-card a.stretch{position:absolute;inset:0;z-index:3;font-size:0}
.preview-card.locked .stretch{display:none}
.preview-card .lock .btn-line{position:relative;z-index:4}
@media (max-width:991px){
  .preview-grid{grid-template-columns:1fr 1fr}
  .preview-card.tall{grid-row:span 1}
  .preview-card.tall .cover{aspect-ratio:16/9}
}
@media (max-width:575px){.preview-grid{grid-template-columns:1fr}}

/* ---------- 最新信息 ---------- */
.news-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.news-filter span{
  font-size:13px;color:var(--text-2);background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:6px 15px;cursor:default;transition:all .18s ease;
}
.news-filter span.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.news-filter span:hover{border-color:var(--brand-light);color:var(--brand)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;height:100%;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.news-card .n-cover{aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden;display:block}
.news-card .n-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .n-cover img{transform:scale(1.03)}
.news-card .n-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a{color:var(--text)}
.news-card h3 a:hover{color:var(--brand)}
.news-card .n-sum{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .n-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto;padding-top:6px;border-top:1px solid var(--line)}
.news-card .n-meta .cat{
  font-size:12px;color:var(--brand);background:rgba(23,86,143,.08);border-radius:var(--radius-pill);padding:3px 10px;
}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius-group);text-align:center;padding:32px;
}
.empty-state svg{width:34px;height:34px;stroke:var(--text-3);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:15px;color:var(--text-3);margin:0}
@media (max-width:991px){.news-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.news-grid{grid-template-columns:1fr}}

/* ---------- 数据 / 信任 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.proof-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:26px 24px;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.proof-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.proof-card b{display:block;font-size:32px;font-weight:700;color:var(--brand-deep);letter-spacing:.5px}
.proof-card b i{font-style:normal;font-size:15px;font-weight:600;color:var(--text-2);margin-left:4px}
.proof-card h3{font-size:16px;margin:10px 0 8px}
.proof-card p{font-size:14px;color:var(--text-2);line-height:1.7}
@media (max-width:991px){.proof-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.proof-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start}
.faq-layout .faq-intro p{font-size:15px;color:var(--text-2);line-height:1.85}
.faq-list{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:20px 2px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);transition:color .18s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q .fx{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid var(--border);
  position:relative;transition:all .2s ease;margin-top:3px;
}
.faq-q .fx::before,.faq-q .fx::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--brand);border-radius:1px;transition:transform .2s ease,opacity .2s ease;
}
.faq-q .fx::before{width:10px;height:2px}
.faq-q .fx::after{width:2px;height:10px}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .fx{background:var(--brand);border-color:var(--brand)}
.faq-item.open .fx::before,.faq-item.open .fx::after{background:#fff}
.faq-item.open .fx::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{font-size:15px;color:var(--text-2);line-height:1.85;padding:0 44px 20px 2px;margin:0}
@media (max-width:991px){.faq-layout{grid-template-columns:1fr;gap:24px}}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-deep);border-radius:var(--radius-group);padding:48px;
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  background:rgba(44,127,196,.18);
}
.cta-band h2{color:#fff;font-size:26px;position:relative;z-index:1}
.cta-band p{color:#D7E5F2;font-size:15px;margin-top:10px;max-width:640px;position:relative;z-index:1}
.cta-band .cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-end;position:relative;z-index:1}
.cta-band .btn-quiet{color:#D7E5F2}
.cta-band .btn-quiet:hover{color:#fff}
@media (max-width:991px){
  .cta-band{grid-template-columns:1fr;padding:32px 24px}
  .cta-band .cta-actions{align-items:stretch;width:100%}
  .cta-band .btn-accent{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B2136;color:#9FB6CB;margin-top:80px;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--brand-light)}
.footer-brand .brand-text{color:#fff;font-size:16px}
.footer-brand .brand-text span{color:#7FB7E4}
.site-footer p{font-size:14px;line-height:1.8;color:#9FB6CB;margin:0}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer ul a{font-size:14px;color:#9FB6CB}
.site-footer ul a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:13px;color:#7E97AD;
}
.footer-bottom span{font-size:13px}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px;padding-top:44px}
}

/* roulang page: article */
:root{
  --brand:#17568F;
  --brand-deep:#0E2C46;
  --brand-light:#2C7FC4;
  --accent:#F2622A;
  --mint:#12A08A;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --alt:#EDF2F8;
  --line:#E1E8F0;
  --divider:#EEF2F7;
  --ink:#10202E;
  --ink-2:#4A5B6C;
  --ink-3:#8A99A8;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-group:18px;
  --sh-1:0 1px 2px rgba(16,32,46,.04);
  --sh-2:0 8px 24px rgba(16,32,46,.06);
  --sh-3:0 12px 32px rgba(16,32,46,.10);
  --bs-primary:#17568F;
  --bs-body-color:#10202E;
  --bs-body-bg:#F6F8FB;
  --bs-border-color:#E1E8F0;
  --bs-link-color:#17568F;
  --bs-link-hover-color:#F2622A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;font-weight:700;letter-spacing:.01em;word-break:normal;overflow-wrap:break-word}
p{margin:0 0 1.2em}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1280px}}
@media (max-width:991px){.container-x{padding:0 20px}}
@media (max-width:575px){.container-x{padding:0 16px}}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#17568F,#0E2C46);
  color:#fff;flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
.brand-text span{color:var(--brand);margin-left:2px}
.nav-channels{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.nav-channels a{
  position:relative;display:inline-block;padding:22px 12px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.nav-channels a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:3px;
  border-radius:3px;background:var(--brand);opacity:0;transform:scaleX(.4);
  transition:opacity .2s ease,transform .2s ease;
}
.nav-channels a:hover{color:var(--brand)}
.nav-channels a.active{color:var(--brand);font-weight:600}
.nav-channels a.active::after{opacity:1;transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{position:relative;width:220px}
.nav-search svg{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:1.5;stroke-linecap:round;
}
.nav-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--alt);padding:0 16px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand-light);box-shadow:0 0 0 4px rgba(44,127,196,.18)}
.btn-ghost{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px;font-weight:500;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-accent{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--sh-1);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:#d94f1c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0)}
.btn-primary-x{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--sh-2);
  border:1px solid transparent;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary-x:hover{background:var(--brand-light);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-primary-x:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline-x{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);color:var(--ink);font-size:15px;font-weight:500;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-outline-x:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.link-arrow svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover svg{transform:translateX(3px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round}

/* ===== 面包屑 ===== */
.crumb-bar{background:#fff;border-bottom:1px solid var(--divider)}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:16px 0;font-size:13px;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C7D3E0}
.crumb .cur{color:var(--ink)}

/* ===== 文章布局 ===== */
.article-wrap{padding:40px 0 72px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-group);
  box-shadow:var(--sh-1);padding:36px 40px 40px;
}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--divider)}
.article-tagline{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(23,86,143,.08);color:var(--brand);font-size:12.5px;font-weight:600;
}
.chip-mint{background:rgba(18,160,138,.10);color:var(--mint)}
.chip-accent{background:rgba(242,98,42,.10);color:var(--accent)}
.article-head h1{font-size:34px;line-height:1.35;letter-spacing:.005em}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:16px;font-size:14px;color:var(--ink-3);
}
.meta-row .dot{color:#C7D3E0}
.meta-row i{color:var(--brand-light);margin-right:5px}
.article-body{
  max-width:800px;margin:0 auto;padding:28px 0 8px;
  font-size:17px;line-height:1.9;color:#22323F;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:26px;margin:2em 0 .8em;padding-left:14px;
  border-left:4px solid var(--brand);border-radius:2px;line-height:1.35;
}
.article-body h3{font-size:19px;margin:1.8em 0 .7em;font-weight:600;color:var(--brand-deep)}
.article-body p{margin:0 0 1.35em;text-indent:0}
.article-body strong{color:var(--brand-deep);font-weight:600}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(23,86,143,.28)}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(242,98,42,.4)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand-light);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.6em;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;
  width:20px;height:20px;border-radius:6px;background:var(--alt);color:var(--brand);
  font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;background:var(--bg);
  border-left:3px solid var(--brand);border-radius:8px;color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body table th,.article-body table td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body table th{background:var(--alt);color:var(--brand-deep);font-weight:600}
.article-body table tbody tr:nth-child(even){background:#FAFCFE}
.article-body img{border-radius:var(--r-img);margin:1.6em 0 .6em;width:100%}
.article-body code{
  background:var(--alt);padding:2px 7px;border-radius:6px;font-size:14.5px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--brand-deep);
}
.article-body hr{border:none;border-top:1px solid var(--divider);margin:2.2em 0}
.article-empty{
  padding:56px 24px;text-align:center;background:var(--bg);border-radius:var(--r-card);
  border:1px dashed var(--line);
}
.article-empty svg{width:36px;height:36px;fill:none;stroke:var(--brand-light);stroke-width:1.5;stroke-linecap:round;margin-bottom:14px}
.article-empty h2{font-size:20px;margin-bottom:10px;border:none;padding:0}
.article-empty p{color:var(--ink-2);font-size:15px;margin-bottom:20px}

/* ===== 文末区 ===== */
.after-body{margin-top:36px;padding-top:28px;border-top:1px solid var(--divider)}
.tag-title{font-size:13px;color:var(--ink-3);margin-bottom:12px;letter-spacing:.04em}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list a{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:13.5px;
  transition:all .2s ease;
}
.tag-list a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.after-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:26px;flex-wrap:wrap}
.rel-block{margin-top:44px}
.rel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.rel-head h2{font-size:22px;display:flex;align-items:center;gap:10px}
.rel-head h2::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#D5E1EE}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--alt)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-card .body{padding:16px 18px 18px}
.rel-card h3{font-size:16px;line-height:1.5;font-weight:600;margin-bottom:10px}
.rel-card h3 a{color:var(--ink)}
.rel-card h3 a:hover{color:var(--brand)}
.rel-card .time{font-size:13px;color:var(--ink-3)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.pager a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--sh-1);transition:all .22s ease;
}
.pager a:hover{border-color:var(--brand-light);transform:translateY(-2px);box-shadow:var(--sh-2)}
.pager .lab{font-size:13px;color:var(--ink-3);margin-bottom:6px}
.pager .txt{font-size:15px;font-weight:600;color:var(--ink)}
.pager a:hover .txt{color:var(--brand)}
.pager .next{text-align:right}

/* ===== 侧栏 ===== */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.side-card h3{font-size:16px;display:flex;align-items:center;gap:9px;margin-bottom:16px}
.side-card h3::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--brand)}
.cat-list li + li{border-top:1px solid var(--divider)}
.cat-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--ink-2);
}
.cat-list a span{color:var(--ink-3);font-size:12.5px}
.cat-list a:hover{color:var(--brand)}
.hot-list li{display:flex;gap:12px;padding:11px 0;border-top:1px solid var(--divider)}
.hot-list li:first-child{border-top:none;padding-top:0}
.hot-list .num{
  width:22px;height:22px;border-radius:6px;flex-shrink:0;margin-top:3px;
  background:var(--alt);color:var(--brand);font-size:12.5px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.hot-list li:nth-child(1) .num{background:rgba(242,98,42,.12);color:var(--accent)}
.hot-list a{font-size:14.5px;color:var(--ink-2);line-height:1.55;display:block}
.hot-list a:hover{color:var(--brand)}
.side-cta{
  background:linear-gradient(165deg,#0E2C46,#17568F);
  border-radius:var(--r-card);padding:24px;color:#fff;box-shadow:var(--sh-2);
}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:10px}
.side-cta p{font-size:14px;color:#D7E5F2;margin-bottom:18px;line-height:1.7}
.side-cta .btn-accent{width:100%;justify-content:center;height:44px}

/* ===== 提示要点条 ===== */
.hint-box{
  margin-top:36px;background:var(--alt);border-radius:var(--r-card);padding:24px 26px;
}
.hint-box h3{font-size:17px;margin-bottom:14px}
.hint-list{display:grid;gap:10px}
.hint-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start}
.hint-list svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;fill:none;stroke:var(--mint);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ===== CTA 大条 ===== */
.cta-band{padding:0 0 80px}
.cta-inner{
  background:linear-gradient(150deg,#0E2C46 0%,#123A5C 55%,#17568F 100%);
  border-radius:var(--r-group);padding:48px;color:#fff;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-inner::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  border:1px solid rgba(255,255,255,.10);border-radius:50%;
}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta-inner p{color:#D7E5F2;font-size:15.5px;margin:0;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;position:relative;z-index:1}
.cta-actions .btn-accent{height:50px;padding:0 30px;font-size:16px}
.cta-actions .link-line{color:#D7E5F2;font-size:15px;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:2px}
.cta-actions .link-line:hover{color:#fff;border-bottom-color:#fff}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-deep);color:#C9D8E6;padding:56px 0 26px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{
  width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.10);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
}
.footer-brand .brand-mark svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.footer-brand .brand-text{color:#fff;font-size:16.5px;font-weight:700}
.footer-brand .brand-text span{color:#7FB6E4}
.site-footer p{color:#9FB6CC;line-height:1.8;margin:0;max-width:340px;font-size:14px}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.site-footer ul li{margin-bottom:11px}
.site-footer ul a{color:#9FB6CC;font-size:14px}
.site-footer ul a:hover{color:#fff}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8CA3B8;
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 290px;gap:32px}
  .nav-search{width:180px}
}
@media (max-width:991px){
  .header-inner{height:64px;gap:16px}
  .nav-channels{
    position:absolute;left:16px;right:16px;top:70px;flex-direction:column;align-items:stretch;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh-3);padding:12px;gap:2px;display:none;
  }
  .nav-channels.open{display:flex}
  .nav-channels a{padding:12px 14px;border-radius:10px;font-size:15px}
  .nav-channels a::after{display:none}
  .nav-channels a:hover{background:var(--alt)}
  .nav-channels a.active{background:var(--alt)}
  .nav-toggle{display:inline-flex}
  .header-actions .nav-search,.header-actions .btn-ghost{display:none}
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static}
  .article-main{padding:28px 26px 32px}
  .article-head h1{font-size:28px}
  .cta-inner{padding:36px 28px}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .rel-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left}
  .crumb{padding:13px 0}
}
@media (max-width:575px){
  .brand-text{font-size:15.5px}
  .header-actions .btn-accent{height:38px;padding:0 14px;font-size:14px}
  .article-main{padding:22px 18px 26px;border-radius:var(--r-card)}
  .article-head h1{font-size:24px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px}
  .cta-inner{padding:28px 20px;border-radius:var(--r-card)}
  .cta-actions{width:100%}
  .cta-actions .btn-accent{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hint-box{padding:20px}
}

/* roulang page: category1 */
:root{
  --brand:#17568F;
  --brand-deep:#0E2C46;
  --brand-light:#2C7FC4;
  --accent:#F2622A;
  --green:#12A08A;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --alt:#EDF2F8;
  --line:#E1E8F0;
  --divider:#EEF2F7;
  --text:#10202E;
  --muted:#4A5B6C;
  --weak:#8A99A8;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-group:18px;
  --shadow-1:0 1px 2px rgba(16,32,46,.04);
  --shadow-2:0 8px 24px rgba(16,32,46,.06);
  --shadow-3:0 12px 32px rgba(16,32,46,.10);
  --container:1200px;
  --focus:0 0 0 3px rgba(44,127,196,.18);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;word-break:keep-all;overflow-wrap:break-word;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media(min-width:1400px){.container-x{max-width:1280px;}}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  font-weight:600;
  font-size:15px;
  line-height:1;
  padding:13px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:var(--shadow-2);}
.btn-primary-x:hover{background:var(--brand-light);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-3);}
.btn-primary-x:active{background:var(--brand-deep);transform:translateY(0);}
.btn-accent{
  background:var(--accent);
  color:#fff;
  font-size:16px;
  padding:14px 26px;
  box-shadow:0 8px 20px rgba(242,98,42,.22);
}
.btn-accent:hover{background:#d9541f;color:#fff;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-outline-x{background:#fff;color:var(--text);border-color:var(--line);}
.btn-outline-x:hover{border-color:var(--brand);color:var(--brand);}
.btn-outline-x:active{background:var(--alt);}
.btn-ghost{background:transparent;color:var(--brand);padding:13px 6px;}
.btn-ghost:hover{color:var(--accent);}
.btn-sm-x{font-size:14px;padding:10px 16px;border-radius:var(--radius-btn);}
.link-more{
  color:var(--brand);
  font-weight:600;
  font-size:14px;
  text-decoration:underline;
  text-underline-offset:4px;
}
.link-more:hover{color:var(--accent);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--text);
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.brand-mark svg{
  width:20px;height:20px;
  fill:none;
  stroke:#fff;
  stroke-width:1.5;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--brand-deep);
  white-space:nowrap;
}
.brand-text span{color:var(--brand);}
.nav-channels{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-channels a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
}
.nav-channels a:hover{color:var(--brand);}
.nav-channels a.active{color:var(--brand);font-weight:600;}
.nav-channels a.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:3px;
  border-radius:3px;
  background:var(--brand);
}
.header-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-search{
  position:relative;
  width:220px;
}
.nav-search svg{
  position:absolute;
  left:12px;top:50%;
  transform:translateY(-50%);
  width:16px;height:16px;
  fill:none;stroke:var(--weak);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.nav-search input{
  width:100%;
  height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  padding:0 14px 0 36px;
  font-size:14px;
  color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--weak);}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand-light);
  box-shadow:var(--focus);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:var(--text);stroke-width:1.6;stroke-linecap:round;}
.mobile-drawer{
  display:none;
  padding:0 24px 20px;
}
.mobile-drawer.open{display:block;}
.drawer-panel{
  background:#fff;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
  border:1px solid var(--line);
  padding:16px;
}
.drawer-panel h4{
  font-size:13px;
  font-weight:600;
  color:var(--weak);
  letter-spacing:.4px;
  margin:6px 8px 8px;
}
.drawer-panel a{
  display:block;
  padding:11px 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--muted);
}
.drawer-panel a:hover{background:var(--alt);color:var(--brand);}
.drawer-panel a.active{color:var(--brand);font-weight:600;background:var(--alt);}
.drawer-actions{display:flex;gap:10px;margin-top:12px;}
.drawer-actions .btn-x{flex:1;}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  min-height:270px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(rgba(14,44,70,.82),rgba(14,44,70,.72)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:5px;
  background-image:repeating-linear-gradient(90deg,var(--accent) 0 18px,transparent 18px 36px);
  opacity:.7;
}
.page-hero .container-x{position:relative;z-index:1;padding-top:56px;padding-bottom:56px;}
.crumb{
  font-size:13px;
  color:#D7E5F2;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.crumb a{color:#D7E5F2;}
.crumb a:hover{color:#fff;}
.crumb .sep{color:rgba(215,229,242,.55);}
.crumb .now{color:#fff;}
.page-hero h1{
  font-size:38px;
  max-width:820px;
  color:#fff;
}
.page-hero .hero-line{
  margin-top:16px;
  font-size:17px;
  color:#D7E5F2;
  max-width:720px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-meta span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:#EAF3FB;
}

/* ============ 区块通用 ============ */
.section{padding:80px 0;}
.section-alt{background:var(--alt);}
.section-white{background:#fff;}
.section-head{margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  letter-spacing:.4px;
  margin-bottom:12px;
}
.section-head .eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--accent);
  display:inline-block;
  border-radius:2px;
}
.section-head h2{font-size:27px;color:var(--text);}
.section-head p{margin-top:10px;color:var(--muted);font-size:16px;max-width:760px;}

/* ============ 入口速览条 ============ */
.quick-strip{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-group);
  box-shadow:var(--shadow-1);
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  overflow:hidden;
}
.quick-item{
  padding:26px 28px;
  border-right:1px solid var(--divider);
}
.quick-item:last-child{border-right:none;}
.quick-item .num{
  font-size:28px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.5px;
  line-height:1.2;
}
.quick-item .num em{font-style:normal;font-size:15px;color:var(--muted);margin-left:4px;font-weight:500;}
.quick-item h3{font-size:16px;margin-top:8px;color:var(--text);font-weight:600;}
.quick-item p{font-size:14px;color:var(--weak);margin-top:6px;}

/* ============ 主体布局：锚点 + 卡片 ============ */
.layout-side{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.anchor-nav{
  position:sticky;
  top:96px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:20px 18px;
}
.anchor-nav h3{
  font-size:13px;
  font-weight:600;
  color:var(--weak);
  letter-spacing:.4px;
  margin-bottom:10px;
  padding-left:10px;
}
.anchor-nav a{
  display:block;
  padding:10px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--muted);
  border-left:2px solid transparent;
}
.anchor-nav a:hover{
  background:var(--alt);
  color:var(--brand);
  border-left-color:var(--brand);
}
.anchor-nav .anchor-foot{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--divider);
}
.anchor-nav .anchor-foot .btn-x{width:100%;}

.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.entry-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-3);
  border-color:#D5E0EC;
}
.entry-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--alt);
}
.entry-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.entry-card:hover .thumb img{transform:scale(1.03);}
.entry-card .tag{
  position:absolute;
  top:12px;right:12px;
  background:rgba(14,44,70,.86);
  color:#fff;
  font-size:12px;
  padding:5px 11px;
  border-radius:999px;
  letter-spacing:.2px;
}
.entry-card .body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.entry-card h3{font-size:18px;font-weight:600;color:var(--text);}
.entry-card p{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-card .card-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--divider);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.entry-card .meta{font-size:13px;color:var(--weak);}
.card-wide{
  grid-column:span 2;
  flex-direction:row;
}
.card-wide .thumb{
  width:46%;
  aspect-ratio:auto;
  min-height:100%;
  flex-shrink:0;
}
.card-wide .body{padding:30px 32px;}
.card-wide h3{font-size:22px;}
.card-wide p{-webkit-line-clamp:3;font-size:15.5px;}
.card-wide .check-list{margin-top:14px;}
.check-list li{
  font-size:14px;
  color:var(--muted);
  padding-left:22px;
  position:relative;
  margin-bottom:8px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:12px;height:12px;
  border-radius:50%;
  background:rgba(18,160,138,.14);
  box-shadow:inset 0 0 0 1.5px var(--green);
}

/* ============ 要点列表 ============ */
.point-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px 32px;
}
.point-item{
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid var(--brand);
  border-radius:12px;
  padding:20px 22px;
  box-shadow:var(--shadow-1);
}
.point-item h3{
  font-size:16px;
  font-weight:600;
  color:var(--brand-deep);
  display:flex;
  align-items:center;
  gap:10px;
}
.point-item h3 i{
  font-style:normal;
  width:24px;height:24px;
  border-radius:7px;
  background:var(--alt);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.point-item p{margin-top:8px;font-size:14.5px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:40px;
  align-items:start;
}
.faq-intro h2{font-size:27px;}
.faq-intro p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.faq-intro .faq-tip{
  margin-top:22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
}
.faq-intro .faq-tip strong{display:block;font-size:15px;color:var(--text);}
.faq-intro .faq-tip p{margin-top:6px;font-size:14px;color:var(--weak);}
.accordion-x .accordion-item{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--divider);
}
.accordion-x .accordion-button{
  background:transparent;
  box-shadow:none;
  padding:20px 40px 20px 0;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  border-radius:0;
  position:relative;
}
.accordion-x .accordion-button::after{display:none;}
.accordion-x .accordion-button::before{
  content:"+";
  position:absolute;
  right:6px;top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:500;
  color:var(--weak);
  transition:transform .2s ease,color .2s ease;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--brand);}
.accordion-x .accordion-button:not(.collapsed)::before{
  content:"−";
  color:var(--brand);
  transform:translateY(-50%) rotate(180deg);
}
.accordion-x .accordion-button:focus{box-shadow:none;}
.accordion-x .accordion-body{
  padding:0 40px 22px 0;
  font-size:15px;
  color:var(--muted);
}

/* ============ CTA 大条 ============ */
.cta-band{
  background:var(--brand-deep);
  border-radius:var(--radius-group);
  padding:48px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
}
.cta-band h2{font-size:26px;color:#fff;}
.cta-band p{margin-top:10px;color:#D7E5F2;font-size:15.5px;max-width:640px;}
.cta-actions{
  display:flex;
  align-items:center;
  gap:18px;
  flex-shrink:0;
  position:relative;
  z-index:1;
}
.cta-actions a.text-link{
  color:#D7E5F2;
  font-weight:600;
  font-size:15px;
  text-decoration:underline;
  text-underline-offset:4px;
}
.cta-actions a.text-link:hover{color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  margin-top:80px;
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:9px;}
.footer-grid p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  max-width:340px;
}
.site-footer h3{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{
  font-size:14px;
  color:var(--muted);
}
.site-footer ul a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--divider);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--weak);
}

/* ============ 响应式 ============ */
@media(max-width:1199px){
  .header-inner{gap:18px;}
  .nav-search{width:180px;}
  .nav-channels a{padding:10px 9px;font-size:14.5px;}
}
@media(max-width:991px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .header-right .btn-outline-x{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .page-hero h1{font-size:30px;}
  .layout-side{grid-template-columns:1fr;gap:28px;}
  .anchor-nav{position:static;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .quick-strip{grid-template-columns:1fr;}
  .quick-item{border-right:none;border-bottom:1px solid var(--divider);}
  .quick-item:last-child{border-bottom:none;}
}
@media(max-width:767px){
  .container-x{padding:0 20px;}
  .section{padding:56px 0;}
  .header-inner{height:62px;}
  .brand-text{font-size:17px;}
  .page-hero h1{font-size:26px;}
  .page-hero .hero-line{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;}
  .card-wide{grid-column:span 1;flex-direction:column;}
  .card-wide .thumb{width:100%;aspect-ratio:16/9;min-height:0;}
  .card-wide .body{padding:22px;}
  .point-list{grid-template-columns:1fr;}
  .cta-band{padding:34px 24px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;gap:14px;}
  .cta-actions .btn-x{width:100%;}
  .cta-actions a.text-link{text-align:center;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media(max-width:575px){
  .container-x{padding:0 16px;}
  .page-hero{min-height:230px;}
  .page-hero h1{font-size:24px;}
  .hero-meta span{font-size:12px;padding:6px 11px;}
  .entry-card .body{padding:18px 18px 20px;}
  .quick-item{padding:20px;}
}

/* roulang page: category2 */
:root{
  --brand:#17568F;
  --brand-deep:#0E2C46;
  --brand-light:#2C7FC4;
  --accent:#F2622A;
  --ok:#12A08A;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --bg-alt:#EDF2F8;
  --line:#E1E8F0;
  --divider:#EEF2F7;
  --text:#10202E;
  --text-2:#4A5B6C;
  --text-3:#8A99A8;
  --focus-ring:rgba(44,127,196,.18);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-group:18px;
  --sh-1:0 1px 2px rgba(16,32,46,.04);
  --sh-2:0 8px 24px rgba(16,32,46,.06);
  --sh-3:0 12px 32px rgba(16,32,46,.10);
  --sec-pad:80px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-light)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;overflow-wrap:normal;word-break:normal}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){.container-x{max-width:1280px}}

/* ============ 通用按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-main:hover{background:var(--brand-light);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-accent{background:var(--accent);color:#fff;font-size:16px;padding:0 24px;height:44px;box-shadow:var(--sh-1)}
.btn-accent:hover{background:#e0551e;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-block{width:100%}
.link-x{color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.link-x:hover{color:var(--accent)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--brand-deep);font-weight:700;font-size:17px;letter-spacing:.2px}
.brand:hover{color:var(--brand-deep)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:grid;place-items:center;color:#fff;flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brand-text span{color:var(--brand)}

.nav-channels{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-channels a{
  position:relative;display:inline-flex;align-items:center;height:72px;
  padding:0 12px;font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .18s ease,background-color .18s ease;
}
.nav-channels a:hover{color:var(--brand);background:var(--bg-alt)}
.nav-channels a.active{color:var(--brand);font-weight:600}
.nav-channels a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:3px;
  border-radius:99px;background:var(--brand);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{position:absolute;left:13px;width:16px;height:16px;fill:none;stroke:var(--text-3);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.nav-search input{
  width:220px;height:40px;padding:0 14px 0 36px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:14px;color:var(--text);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{border-color:var(--brand-light);box-shadow:0 0 0 4px var(--focus-ring)}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:var(--brand-deep);stroke-width:1.5;stroke-linecap:round}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 0 20px;box-shadow:var(--sh-2);
}
.mobile-drawer.open{display:block}
.mobile-drawer .drawer-label{font-size:13px;color:var(--text-3);margin:6px 0 8px}
.mobile-drawer a.drawer-link{
  display:block;padding:11px 12px;border-radius:10px;color:var(--text);
  font-size:15px;font-weight:500;
}
.mobile-drawer a.drawer-link:hover{background:var(--bg-alt);color:var(--brand)}
.mobile-drawer a.drawer-link.active{color:var(--brand);background:var(--bg-alt);font-weight:600}
.drawer-actions{display:flex;gap:10px;margin-top:14px}
.drawer-actions .btn-x{flex:1}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  min-height:272px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(92deg,rgba(14,44,70,.9) 0%,rgba(14,44,70,.68) 55%,rgba(14,44,70,.5) 100%);
}
.cat-hero .container-x{position:relative;z-index:1;padding-top:44px;padding-bottom:52px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#A9C2D8;margin-bottom:14px}
.crumb a{color:#D7E5F2}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(215,229,242,.5)}
.crumb .cur{color:#fff}
.cat-hero h1{
  font-size:38px;color:#fff;letter-spacing:.4px;max-width:820px;
}
.cat-hero h1 em{font-style:normal;color:#FFD9C6}
.cat-hero .hero-sub{
  margin-top:14px;font-size:17px;color:#D7E5F2;max-width:700px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-chip{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:999px;
  background:rgba(255,255,255,.14);color:#EAF3FB;font-size:13px;border:1px solid rgba(255,255,255,.18);
}
.hero-chip i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block}
.track-scale{
  position:absolute;left:0;right:0;bottom:0;height:16px;z-index:1;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.4) 0 2px,transparent 2px 30px);
}

/* ============ 分类切换胶囊 ============ */
.pill-section{padding:24px 0 0}
.pill-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:14.5px;font-weight:500;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease,transform .18s ease;
}
.pill:hover{border-color:var(--brand-light);color:var(--brand);transform:translateY(-1px)}
.pill.active{background:var(--brand);border-color:var(--brand);color:#fff}
.pill.active:hover{color:#fff}
.pill-hint{margin-left:auto;font-size:13.5px;color:var(--text-3)}

/* ============ 权益速览 ============ */
.facts{padding:28px 0 0}
.facts-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-group);
  padding:24px;box-shadow:var(--sh-1);
}
.fact-item{border-left:2px solid var(--divider);padding-left:18px}
.fact-item:first-child{border-left-color:var(--brand-light)}
.fact-num{font-size:26px;font-weight:700;color:var(--brand);letter-spacing:.5px;line-height:1.2}
.fact-num small{font-size:14px;font-weight:600;color:var(--text-2);margin-left:4px}
.fact-txt{font-size:14px;color:var(--text-2);margin-top:6px}

/* ============ 主体布局 ============ */
.cat-main{padding:56px 0 var(--sec-pad)}
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}

.sec-head{margin-bottom:24px}
.sec-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--bg-alt);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.sec-head h2{font-size:27px}
.sec-head h2::before{
  content:"";display:block;width:34px;height:3px;border-radius:2px;margin-bottom:14px;
  background:linear-gradient(90deg,var(--brand) 0 62%,var(--brand-light) 62% 100%);
}
.sec-head p{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:660px}

.entry-list{display:flex;flex-direction:column;gap:20px}
.entry{
  display:grid;grid-template-columns:216px minmax(0,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#D6E2EF}
.entry-thumb{
  position:relative;overflow:hidden;border-radius:var(--r-img);
  aspect-ratio:16/11;background:var(--bg-alt);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{display:flex;flex-direction:column;min-width:0}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--bg-alt);color:var(--brand);font-size:12.5px;font-weight:500;
}
.tag-ok{background:rgba(18,160,138,.1);color:var(--ok)}
.entry-title{font-size:19px;font-weight:600;line-height:1.45}
.entry-title a{color:var(--text)}
.entry-title a:hover{color:var(--brand)}
.entry-desc{
  margin-top:8px;font-size:15px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{
  margin-top:auto;padding-top:14px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--text-3);
}
.entry-meta .more{color:var(--brand);font-weight:600;margin-left:auto}
.entry-meta .more:hover{color:var(--accent)}

/* ============ 侧栏粘性卡 ============ */
.side-stack{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-group);
  padding:24px;box-shadow:var(--sh-2);
}
.side-card h3{font-size:18px;margin-bottom:6px}
.side-card .side-note{font-size:13.5px;color:var(--text-3);margin-bottom:16px}
.perm-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.perm-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.65}
.perm-list svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;fill:none;stroke:var(--ok);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.side-card .btn-x{margin-bottom:12px}
.side-link{display:block;text-align:center;font-size:14px;font-weight:600;color:var(--brand)}
.side-link:hover{color:var(--accent)}
.status-card{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff}
.status-card h3{font-size:16px;color:#fff;display:flex;align-items:center;gap:9px}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--ok);display:inline-block;box-shadow:0 0 0 4px rgba(18,160,138,.22)}
.status-card p{font-size:14px;color:#BCD3E8;margin-top:10px;line-height:1.7}
.status-list{margin-top:16px;border-top:1px solid rgba(255,255,255,.14);padding-top:14px;display:flex;flex-direction:column;gap:9px}
.status-list span{font-size:13.5px;color:#D7E5F2;display:flex;justify-content:space-between;gap:10px}
.status-list b{color:#fff;font-weight:600}

/* ============ 亮点卡（一宽两窄） ============ */
.highlights{padding:0 0 var(--sec-pad)}
.hl-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:20px}
.hl-col{display:flex;flex-direction:column;gap:20px}
.hl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.hl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.hl-card h3{font-size:19px;margin-bottom:10px}
.hl-card p{font-size:15px;color:var(--text-2);line-height:1.78}
.hl-wide{
  background:linear-gradient(180deg,#fff 0%,#F9FBFE 100%);
  display:flex;flex-direction:column;
}
.hl-ticks{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.hl-ticks li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.hl-ticks li::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--brand-light);margin-top:12px;flex:0 0 auto}
.hl-wide .link-x{display:inline-block;margin-top:22px}
.hl-card .badge-lv{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--accent);
  background:rgba(242,98,42,.1);border-radius:999px;padding:3px 11px;margin-bottom:12px;
}

/* ============ FAQ ============ */
.faq-section{padding:0 0 var(--sec-pad)}
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;align-items:start}
.faq-intro h2{font-size:27px}
.faq-intro h2::before{
  content:"";display:block;width:34px;height:3px;border-radius:2px;margin-bottom:14px;
  background:linear-gradient(90deg,var(--brand) 0 62%,var(--brand-light) 62% 100%);
}
.faq-intro p{margin-top:12px;color:var(--text-2);font-size:15px}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:6px 24px;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--divider)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;background:none;border:none;padding:20px 0;cursor:pointer;
  display:flex;align-items:center;gap:14px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q[aria-expanded="true"]{color:var(--brand)}
.faq-icon{width:22px;height:22px;position:relative;flex:0 0 auto;margin-left:auto}
.faq-icon::before{content:"";position:absolute;left:4px;right:4px;top:50%;height:2px;border-radius:2px;background:var(--brand-light);transform:translateY(-50%)}
.faq-icon::after{content:"";position:absolute;top:4px;bottom:4px;left:50%;width:2px;border-radius:2px;background:var(--brand-light);transform:translateX(-50%);transition:transform .25s ease,opacity .25s ease}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:translateX(-50%) scaleY(0);opacity:0}
.faq-a{padding:0 0 20px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:640px}

/* ============ CTA ============ */
.cta-section{padding:0 0 var(--sec-pad)}
.cta-band{
  background:var(--brand-deep);border-radius:var(--r-group);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:26px;color:#fff}
.cta-band p{margin-top:10px;color:#BCD3E8;font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:12px;flex:0 0 auto}
.cta-actions .link-x{color:#D7E5F2;text-decoration:underline}
.cta-actions .link-x:hover{color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px}
.footer-brand .brand-mark svg{width:17px;height:17px}
.site-footer p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:330px}
.site-footer h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:14px}
.site-footer li{margin-bottom:10px}
.site-footer li a{font-size:14px;color:var(--text-2)}
.site-footer li a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid var(--divider);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-search input{width:180px}
  .cat-layout{grid-template-columns:minmax(0,1fr) 300px}
}
@media (max-width:991.98px){
  .nav-channels,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:60px;gap:12px}
  .cat-layout{grid-template-columns:1fr;gap:28px}
  .side-stack{position:static;top:auto}
  .facts-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .hl-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
  .cta-actions{width:100%}
  .cta-actions .btn-x{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  :root{--sec-pad:64px}
}
@media (max-width:767.98px){
  .container-x{padding-left:20px;padding-right:20px}
  .cat-hero h1{font-size:28px}
  .cat-hero .hero-sub{font-size:15.5px}
  .sec-head h2,.faq-intro h2{font-size:22px}
  .entry{grid-template-columns:1fr}
  .entry-thumb{aspect-ratio:16/9}
  .pill-hint{display:none}
  .hl-card{padding:22px}
}
@media (max-width:575.98px){
  .container-x{padding-left:16px;padding-right:16px}
  .cat-hero{min-height:240px}
  .cat-hero h1{font-size:26px}
  .facts-grid{grid-template-columns:1fr;padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .btn-accent{width:100%;padding:0 16px}
  .header-actions .btn-x{height:38px;padding:0 12px;font-size:14px}
  .header-actions .btn-accent{width:auto}
  :root{--sec-pad:48px}
}