/* roulang page: index */
:root{
  --ink:#0E1116;
  --charcoal:#171B21;
  --orange:#E85D2A;
  --orange-deep:#C94A1E;
  --green:#1C7C5A;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#15181D;
  --text-2:#5B6470;
  --text-3:#8B949E;
  --line:#E3E0D8;
  --line-dark:rgba(255,255,255,.12);
  --success:#1C7C5A;
  --warn:#B7791F;
  --error:#C2412D;
  --r-sm:4px;
  --r:6px;
  --r-lg:10px;
  --sh-1:0 1px 2px rgba(0,0,0,.04);
  --sh-2:0 12px 32px rgba(0,0,0,.06);
  --ease:cubic-bezier(.2,.8,.2,1);
  --maxw:1280px;
  --pad:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:var(--r-sm)}
::selection{background:rgba(232,93,42,.18)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-tight{padding:48px 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border:1px solid transparent;border-radius:var(--r);
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn svg{width:16px;height:16px;flex:none;transition:transform .2s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--orange-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-outline:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F0EDE6;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.38);color:#fff;background:rgba(255,255,255,.05)}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-sm)}
.btn-block{width:100%}
.btn[disabled],.btn.is-loading{opacity:.45;pointer-events:none}
.btn.is-loading::after{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.5);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--orange);font-size:14px;transition:gap .2s var(--ease)}
.link-arrow::after{content:"→";transition:transform .2s var(--ease)}
.link-arrow:hover{gap:10px}
.link-arrow:hover::after{transform:translateX(2px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.7;
  background:rgba(232,93,42,.1);color:var(--orange-deep);
}
.badge-green{background:rgba(28,124,90,.1);color:var(--green)}
.badge-ink{background:rgba(14,17,22,.07);color:var(--text-2)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(14,17,22,.08)}
.brand-row{display:flex;align-items:center;gap:20px;min-height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}
.brand-mark{
  width:32px;height:32px;flex:none;border-radius:var(--r-sm);
  background:linear-gradient(135deg,var(--ink) 0%,var(--charcoal) 62%,var(--orange) 62%,var(--orange) 100%);
  color:#fff;font-size:15px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{font-size:17px;line-height:1.2}
.brand-row .brand{margin-right:auto}
.brand-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);cursor:pointer;transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--ink)}
.icon-btn svg{width:17px;height:17px}
.search-wrap{position:relative}
.search-field{
  position:absolute;right:0;top:calc(100% + 8px);width:300px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-2);
  padding:10px;display:none;
}
.search-field.is-open{display:block}
.search-field input{
  width:100%;height:42px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 12px;background:var(--bg);
}
.search-field input:focus{outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(232,93,42,.12)}

.channel-row{
  display:flex;align-items:center;gap:18px;min-height:44px;
  border-top:1px solid var(--line);padding-top:0;padding-bottom:0;
}
.channels{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0}
.channels::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 12px;
  font-size:14.5px;font-weight:600;color:var(--text-2);white-space:nowrap;
  transition:color .2s var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.channel-link:hover{color:var(--ink)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.active{color:var(--ink)}
.channel-link.active::after{transform:scaleX(1)}
.hot-words{display:flex;align-items:center;gap:8px;flex:none}
.hot-label{font-size:12.5px;color:var(--text-3);font-weight:600}
.hot-chip{
  padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--bg);border:1px solid var(--line);color:var(--text-2);
  transition:all .2s var(--ease);white-space:nowrap;
}
.hot-chip:hover{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;transform:scale(1.02);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 520px at 82% 18%,rgba(232,93,42,.32),transparent 62%),
    linear-gradient(100deg,rgba(14,17,22,.96) 0%,rgba(14,17,22,.86) 46%,rgba(14,17,22,.55) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:104px 0 96px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border:1px solid rgba(255,255,255,.24);border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.12em;color:#F2C5B0;
  background:rgba(255,255,255,.05);
}
.hero h1{
  margin-top:22px;
  font-size:clamp(2.4rem,5vw,4.1rem);
  line-height:1.1;letter-spacing:-.02em;font-weight:800;
  animation:riseIn .7s var(--ease) both;
}
.hero h1 em{font-style:normal;color:var(--orange);}
.hero-sub{
  margin-top:22px;max-width:620px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.76);
  animation:riseIn .8s .08s var(--ease) both;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;animation:riseIn .8s .16s var(--ease) both}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;
  padding-top:28px;border-top:1px solid var(--line-dark);
  animation:riseIn .8s .24s var(--ease) both;
}
.hero-metrics li{flex:1 1 150px;min-width:140px}
.hero-metrics strong{display:block;font-size:16px;font-weight:800;color:#fff}
.hero-metrics span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.58)}

.quick-panel{
  background:rgba(23,27,33,.82);
  border:1px solid var(--line-dark);
  border-radius:var(--r-lg);
  padding:26px;
  backdrop-filter:blur(4px);
  animation:riseIn .85s .2s var(--ease) both;
}
.quick-panel h2{font-size:17px;font-weight:800;letter-spacing:.01em}
.quick-panel > p{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.7}
.quick-list{margin-top:20px;display:grid;gap:10px}
.quick-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;border:1px solid var(--line-dark);border-radius:var(--r);
  background:rgba(255,255,255,.03);transition:all .2s var(--ease);
}
.quick-list a:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28);transform:translateX(3px)}
.quick-list b{font-size:14.5px;font-weight:700;display:block}
.quick-list small{display:block;margin-top:2px;font-size:12.5px;color:rgba(255,255,255,.55)}
.quick-list span.arw{color:var(--orange);font-weight:800}
.quick-panel .btn{margin-top:20px}

@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:800px;margin-bottom:44px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--orange);
}
.sec-eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);border-radius:2px}
.sec-head h2{
  margin-top:14px;font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.2;
  font-weight:800;letter-spacing:-.015em;
}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.sec-head-row .sec-head{margin-bottom:0}

/* ---------- 服务阶梯 ---------- */
.ladder-section{background:var(--bg)}
.ladder{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);
}
.ladder-item{
  position:relative;padding:32px 26px 30px 0;
  border-right:1px solid var(--line);
}
.ladder-item:last-child{border-right:none;padding-right:0}
.ladder-item::before{
  content:"";position:absolute;top:-4px;left:0;width:8px;height:8px;border-radius:50%;
  background:var(--orange);
}
.ladder-item:last-child::before{background:var(--ink)}
.ladder-num{
  display:block;font-size:38px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(14,17,22,.28);letter-spacing:-.03em;
}
.ladder-item h3{margin-top:16px;font-size:19px;font-weight:800}
.ladder-item p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.ladder-cond{
  display:inline-block;margin-top:16px;padding:4px 10px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);font-size:12.5px;font-weight:700;color:var(--text-2);
}
.ladder-item .link-arrow{margin-top:18px;display:inline-flex}

/* ---------- 套餐对比 ---------- */
.plans-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plan{
  position:relative;display:flex;flex-direction:column;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 22px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6D1C6}
.plan.featured{background:var(--ink);border-color:var(--ink);color:#fff}
.plan.featured .plan-desc,.plan.featured .plan-list li{color:rgba(255,255,255,.72)}
.plan.featured .plan-row{border-color:var(--line-dark)}
.plan-badge{
  position:absolute;top:-11px;left:22px;
  background:var(--orange);color:#fff;font-size:12px;font-weight:800;
  padding:4px 12px;border-radius:999px;letter-spacing:.06em;
}
.plan-head h3{font-size:19px;font-weight:800}
.plan-desc{margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.7;min-height:48px}
.plan-list{margin-top:20px;display:grid;gap:0;flex:1}
.plan-list li{display:flex;align-items:center;gap:10px;font-size:14px;padding:11px 0;border-top:1px dashed var(--line);color:var(--text-2)}
.plan.featured .plan-list li{border-color:var(--line-dark)}
.plan-list li:first-child{border-top:none}
.plan-list li .mark{
  width:18px;height:18px;flex:none;border-radius:50%;display:inline-flex;
  align-items:center;justify-content:center;font-size:11px;font-weight:800;
  background:rgba(28,124,90,.12);color:var(--green);
}
.plan.featured .plan-list li .mark{background:rgba(232,93,42,.22);color:#FF8B5C}
.plan-list li.off{color:var(--text-3)}
.plan-list li.off .mark{background:rgba(139,148,158,.14);color:var(--text-3)}
.plan-foot{margin-top:22px}

/* ---------- 资讯列表 ---------- */
.news-section{background:var(--bg)}
.news-list{display:grid;gap:0;border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:220px 1fr auto;gap:26px;align-items:center;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.news-item:hover{background:rgba(255,255,255,.7)}
.news-thumb{
  border-radius:var(--r);overflow:hidden;border:1px solid var(--line);
  background:#fff;aspect-ratio:16/9;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.news-item:hover .news-thumb img{transform:scale(1.03)}
.news-body{min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.news-meta time{font-size:12.5px;color:var(--text-3)}
.news-title{margin-top:10px;font-size:19px;font-weight:800;line-height:1.45;letter-spacing:-.01em}
.news-title a{transition:color .2s var(--ease)}
.news-title a:hover{color:var(--orange-deep);text-decoration:underline;text-underline-offset:4px}
.news-sum{margin-top:8px;font-size:14.5px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-go{flex:none}
.news-go a{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:all .2s var(--ease);
}
.news-item:hover .news-go a{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateX(3px)}
.news-go svg{width:17px;height:17px}
.empty-state{
  padding:56px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--r);
  background:#fff;color:var(--text-2);font-size:15px;
}
.empty-state strong{display:block;font-size:18px;color:var(--text);margin-bottom:8px}

/* ---------- 限时入口 ---------- */
.flash{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.flash-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.2}
.flash::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,17,22,.96),rgba(23,27,33,.72))}
.flash-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:72px 0;flex-wrap:wrap}
.flash-copy{max-width:660px}
.flash-copy h2{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;line-height:1.25;letter-spacing:-.015em}
.flash-copy p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.7);line-height:1.85}
.countdown{display:flex;gap:12px;margin-top:26px}
.countdown li{
  min-width:78px;padding:12px 10px;text-align:center;
  border:1px solid var(--line-dark);border-radius:var(--r);background:rgba(255,255,255,.04);
}
.countdown b{display:block;font-size:24px;font-weight:800;color:var(--orange);letter-spacing:-.02em}
.countdown span{display:block;margin-top:2px;font-size:12px;color:rgba(255,255,255,.55)}
.flash-action{flex:none;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.flash-note{font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 咨询表单 ---------- */
.consult-section{background:#fff;border-top:1px solid var(--line)}
.consult-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.consult-aside h2{font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:800;line-height:1.25;letter-spacing:-.015em}
.consult-aside > p{margin-top:16px;color:var(--text-2);font-size:15.5px;line-height:1.85}
.aside-list{margin-top:26px;display:grid;gap:14px}
.aside-list li{display:flex;gap:12px;align-items:flex-start}
.aside-list .dot{
  width:22px;height:22px;flex:none;margin-top:5px;border-radius:50%;
  background:rgba(28,124,90,.12);color:var(--green);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}
.aside-list b{display:block;font-size:15px;font-weight:700}
.aside-list small{display:block;margin-top:3px;color:var(--text-2);font-size:13.5px;line-height:1.7}
.aside-media{margin-top:30px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.aside-media img{aspect-ratio:16/9;object-fit:cover;width:100%}

.consult-form{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;min-width:0}
.field-full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:700;color:var(--text-2)}
.input{
  width:100%;min-height:48px;padding:12px 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-sm);font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
textarea.input{min-height:112px;resize:vertical;line-height:1.75}
.input::placeholder{color:var(--text-3)}
.input:focus{outline:none;border-color:var(--orange);background:#FFFBF8;box-shadow:0 0 0 3px rgba(232,93,42,.12)}
.input.has-error{border-color:var(--error);background:#FFF7F5}
.field-err{font-size:12.5px;color:var(--error);font-weight:600}
.check{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:13.5px;color:var(--text-2);cursor:pointer}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--orange);flex:none}
.form-actions{display:flex;align-items:center;gap:18px;margin-top:22px;flex-wrap:wrap}
.form-status{font-size:13.5px;font-weight:700}
.form-status.is-ok{color:var(--success)}
.form-status.is-err{color:var(--error)}
.form-status.is-load{color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-section{background:var(--bg)}
.faq{display:grid;gap:0;border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:transparent;border:none;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;line-height:1.55;color:var(--text);
  transition:color .2s var(--ease);min-height:44px;
}
.faq-q:hover{color:var(--orange-deep)}
.faq-icon{
  width:26px;height:26px;flex:none;border:1px solid var(--line);border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);font-size:16px;font-weight:700;line-height:1;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--orange);border-color:var(--orange);color:#fff}
.faq-a{overflow:hidden;max-height:0;transition:max-height .2s var(--ease)}
.faq-a p{padding:0 4px 24px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:780px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-mark{background:var(--orange)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;letter-spacing:.04em}
.footer-col ul{margin-top:18px;display:grid;gap:11px}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border-top:1px solid var(--line-dark);padding-top:24px;padding-bottom:28px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  :root{--pad:20px}
  .hero-inner{gap:40px;padding:88px 0 80px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .hero-inner{grid-template-columns:1fr;padding:72px 0 64px}
  .quick-panel{max-width:560px}
  .ladder{grid-template-columns:repeat(2,1fr)}
  .ladder-item{border-right:none;border-bottom:1px solid var(--line);padding:28px 22px 26px 0}
  .ladder-item:nth-child(odd){border-right:1px solid var(--line);padding-right:24px}
  .plans{grid-template-columns:repeat(2,1fr)}
  .consult-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
  .news-item{grid-template-columns:1fr;gap:16px;padding:22px 0}
  .news-thumb{max-width:100%}
  .news-go{display:none}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:16px}
  .flash-inner{padding:56px 0;gap:28px}
  .flash-action{width:100%}
  .flash-action .btn{width:100%}
  .plans{grid-template-columns:1fr;gap:16px}
  .plan-desc{min-height:0}
  .form-grid{grid-template-columns:1fr}
  .consult-form{padding:22px}
  .hot-words{display:none}
  .search-field{width:min(320px,calc(100vw - 40px))}
}
@media (max-width:560px){
  :root{--pad:16px}
  .brand-text{font-size:15px}
  .brand-mark{width:28px;height:28px;font-size:13px}
  .hero h1{font-size:clamp(1.85rem,8vw,2.4rem)}
  .hero-sub{font-size:15.5px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .ladder{grid-template-columns:1fr}
  .ladder-item:nth-child(odd){border-right:none;padding-right:0}
  .ladder-item{padding:24px 0}
  .countdown{flex-wrap:wrap}
  .countdown li{min-width:0;flex:1 1 68px}
  .countdown b{font-size:20px}
  .faq-q{font-size:15.5px;padding:18px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .news-title{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --ink:#0E1116;
  --charcoal:#171B21;
  --orange:#E85D2A;
  --orange-deep:#C94A1E;
  --green:#1C7C5A;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#15181D;
  --text-2:#5B6470;
  --text-3:#8B949E;
  --line:#E3E0D8;
  --warn:#B7791F;
  --danger:#C2412D;
  --radius:6px;
  --radius-sm:4px;
  --shadow-1:0 1px 2px rgba(0,0,0,.04);
  --shadow-2:0 12px 32px rgba(0,0,0,.06);
  --ease:cubic-bezier(.2,.8,.2,1);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:2px}
svg{display:block}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,239,.95);
  -webkit-backdrop-filter:saturate(180%) blur(8px);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .16s var(--ease),background .16s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(14,17,22,.09);background:rgba(246,244,239,.99)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:58px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;flex:0 0 auto}
.brand-mark{
  display:grid;place-items:center;width:32px;height:32px;
  border-radius:var(--radius-sm);background:var(--ink);color:#fff;
  font-size:16px;font-weight:800;line-height:1;
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:10px;position:relative}
.icon-btn{
  display:grid;place-items:center;width:36px;height:36px;
  background:transparent;border:1px solid var(--line);border-radius:var(--radius-sm);
  color:var(--text-2);cursor:pointer;transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);background:#fff}
.search-wrap{position:relative;display:flex;align-items:center}
.search-field{display:none;margin-left:8px}
.search-field.is-open{display:block}
.search-field input{
  height:36px;min-width:230px;padding:0 12px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:14px;transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.search-field input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(232,93,42,.14)}
.channel-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:46px}
.channels{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channels::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-block;white-space:nowrap;
  padding:7px 12px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .16s var(--ease),background .16s var(--ease);
}
.channel-link:hover{color:var(--ink);background:rgba(14,17,22,.05)}
.channel-link.active{color:var(--ink);font-weight:700}
.channel-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  background:var(--orange);border-radius:2px;
}
.hot-words{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.hot-label{font-size:12px;color:var(--text-3);letter-spacing:.08em}
.hot-chip{
  font-size:13px;padding:3px 10px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease);
}
.hot-chip:hover{border-color:var(--orange);color:var(--orange);background:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
}
.btn-sm{height:34px;padding:0 14px;font-size:14px}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 1px 2px rgba(232,93,42,.28)}
.btn-primary:hover{background:var(--orange-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn .arrow{transition:transform .16s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* ============ 面包屑与标题 ============ */
.article-head{padding:34px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-2);transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb .sep{color:#C7C3B9}
.page-title{
  max-width:980px;
  font-size:clamp(1.9rem,3.6vw,2.9rem);
  line-height:1.22;letter-spacing:-.01em;font-weight:800;color:var(--ink);
}
.page-sub{
  max-width:860px;margin-top:14px;
  font-size:16px;line-height:1.85;color:var(--text-2);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}
.meta-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(232,93,42,.1);color:var(--orange-deep);font-weight:600;font-size:12.5px;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C7C3B9}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:48px;align-items:start;padding:30px 0 96px;
}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);padding:44px 44px 40px;
}
.article-body{max-width:800px;font-size:17px;line-height:1.9;color:#242A32}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:1.5rem;line-height:1.35;font-weight:700;color:var(--ink);
  margin:42px 0 14px;scroll-margin-top:130px;
}
.article-body h3{
  font-size:1.2rem;line-height:1.4;font-weight:700;color:var(--ink);
  margin:32px 0 12px;scroll-margin-top:130px;
}
.article-body h4{font-size:1.05rem;font-weight:700;color:var(--ink);margin:26px 0 10px}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--orange-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--orange)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul{margin:0 0 20px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:3px;top:.76em;width:6px;height:6px;
  border-radius:50%;background:var(--orange);
}
.article-body ol{list-style:decimal;margin:0 0 20px;padding-left:24px}
.article-body ol li{margin-bottom:10px;padding-left:4px}
.article-body ol li::marker{color:var(--orange);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:#FBF7F2;
  border-left:3px solid var(--orange);border-radius:0 var(--radius) var(--radius) 0;
  color:var(--text-2);font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);margin:26px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:#F3F1EB;color:var(--ink);font-weight:700}
.article-body code{background:#F3F1EB;padding:2px 6px;border-radius:4px;font-size:14px}

.article-actions{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
}
.article-actions .btn{min-width:132px}

.empty-state{
  padding:60px 24px;text-align:center;background:#fff;
  border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-state .empty-mark{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:rgba(232,93,42,.1);color:var(--orange);
}
.empty-state .empty-mark svg{width:24px;height:24px}
.empty-state h2{font-size:1.35rem;font-weight:700;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:24px}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);padding:22px;
}
.side-card + .side-card{margin-top:20px}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--ink);
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:16px;
}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--orange)}
.rec-item{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line)}
.rec-item:first-of-type{padding-top:0}
.rec-item:last-child{border-bottom:0;padding-bottom:0}
.rec-thumb{
  flex:0 0 92px;width:92px;height:66px;border-radius:var(--radius-sm);
  overflow:hidden;background:#EFEDE7;
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rec-item:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{min-width:0}
.rec-title{
  font-size:14.5px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .16s var(--ease);
}
.rec-item:hover .rec-title{color:var(--orange)}
.rec-meta{margin-top:6px;font-size:12.5px;color:var(--text-3)}
.side-list li{margin-bottom:12px}
.side-list li:last-child{margin-bottom:0}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;color:var(--text-2);padding:9px 12px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#FCFBF8;
  transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease);
}
.side-list a:hover{border-color:var(--orange);color:var(--orange-deep);background:#fff}
.side-list a svg{width:15px;height:15px;flex:0 0 auto;transition:transform .16s var(--ease)}
.side-list a:hover svg{transform:translateX(3px)}
.side-note{font-size:13.5px;line-height:1.8;color:var(--text-2)}
.side-note strong{color:var(--ink)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:62px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:46px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:var(--orange)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.6);line-height:1.7}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .16s var(--ease)}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;padding-bottom:28px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 动效 ============ */
[data-reveal]{opacity:0;transform:translateY(12px);animation:revealUp .7s var(--ease) forwards}
[data-reveal="2"]{animation-delay:.08s}
[data-reveal="3"]{animation-delay:.16s}
@keyframes revealUp{to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:72px}
  .article-card{padding:32px 28px}
  .hot-words{display:none}
  .channel-row{height:44px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .breadcrumb{margin-bottom:14px}
  .article-head{padding-top:26px}
  .article-card{padding:24px 20px}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:1.32rem;margin-top:34px}
  .article-body h3{font-size:1.12rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .footer-brand p{max-width:none}
  .search-field input{min-width:170px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .brand-text{font-size:15.5px}
  .brand-mark{width:28px;height:28px;font-size:14px}
  .page-title{font-size:clamp(1.55rem,6vw,1.95rem)}
  .article-card{padding:20px 16px}
  .article-actions{flex-direction:column;align-items:stretch}
  .article-actions .btn{width:100%}
  .search-field input{min-width:0;width:150px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  .rec-thumb{flex:0 0 76px;width:76px;height:58px}
}

/* roulang page: category1 */
:root{
  --ink:#0E1116;
  --char:#171B21;
  --orange:#E85D2A;
  --orange-d:#C94A1E;
  --green:#1C7C5A;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#15181D;
  --muted:#5B6470;
  --faint:#8B949E;
  --line:#E3E0D8;
  --line-dark:rgba(255,255,255,.12);
  --warn:#B7791F;
  --err:#C2412D;
  --r:6px;
  --sh-1:0 1px 2px rgba(0,0,0,.04);
  --sh-2:0 12px 32px rgba(0,0,0,.06);
  --ease:cubic-bezier(.2,.8,.2,1);
  --max:1300px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:2px}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .16s var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh-2)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:62px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:6px;
  background:var(--ink);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:18px;letter-spacing:0;
}
.brand-text{font-weight:800;font-size:19px;letter-spacing:-.01em;white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:12px}
.search-wrap{position:relative;display:flex;align-items:center}
.icon-btn{
  width:40px;height:40px;border-radius:6px;
  border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .16s var(--ease),background .16s var(--ease);
}
.icon-btn svg{width:18px;height:18px;color:var(--char)}
.icon-btn:hover{border-color:var(--ink);background:var(--bg)}
.search-field{
  width:0;opacity:0;overflow:hidden;
  transition:width .22s var(--ease),opacity .22s var(--ease);
}
.search-wrap.open .search-field{width:236px;opacity:1;margin-left:8px}
.search-field input{
  width:100%;height:40px;padding:0 12px;
  border:1px solid var(--line);border-radius:6px;
  background:var(--bg);
}
.search-field input:focus{outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(232,93,42,.12)}
.channel-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:46px;border-top:1px solid var(--line);
}
.channels{display:flex;align-items:center;gap:4px;min-width:0;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex:none;
  padding:7px 14px;border-radius:6px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .16s var(--ease),background .16s var(--ease);
}
.channel-link:hover{color:var(--ink);background:var(--bg)}
.channel-link.active{color:var(--ink);font-weight:700;background:var(--bg)}
.channel-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--orange);border-radius:2px;
}
.hot-words{display:flex;align-items:center;gap:8px;flex:none}
.hot-label{font-size:12px;color:var(--faint);letter-spacing:.08em}
.hot-chip{
  font-size:13px;color:var(--muted);
  padding:3px 10px;border:1px solid var(--line);border-radius:999px;
  transition:all .16s var(--ease);
}
.hot-chip:hover{color:var(--orange-d);border-color:var(--orange);background:rgba(232,93,42,.06)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:6px;
  border:1px solid transparent;cursor:pointer;
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:transform .16s var(--ease),background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .16s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,93,42,.24)}
.btn-primary:active{transform:translateY(0) scale(.995)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- Section basics ---------- */
.section{padding:clamp(48px,7vw,92px) 0}
.section--tight{padding:clamp(40px,5vw,64px) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--orange-d);
  text-transform:uppercase;margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px}
.section-title{font-size:clamp(1.6rem,2.6vw,2.25rem);line-height:1.2}
.section-desc{margin-top:12px;max-width:660px;color:var(--muted);font-size:16px}
.more-link{
  display:inline-flex;align-items:center;gap:6px;flex:none;
  font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);padding-bottom:3px;
  transition:border-color .16s var(--ease),color .16s var(--ease);
}
.more-link:hover{color:var(--orange-d);border-color:var(--orange)}
.more-link svg{width:15px;height:15px;transition:transform .16s var(--ease)}
.more-link:hover svg{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(100deg,rgba(14,17,22,.94) 0%,rgba(14,17,22,.72) 52%,rgba(14,17,22,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:clamp(48px,6vw,84px) 0;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--line-dark);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px}
.crumb a{transition:color .16s var(--ease)}
.crumb a:hover{color:#fff}
.crumb span.sep{color:rgba(255,255,255,.3)}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:end}
.hero h1{
  font-size:clamp(2rem,3.6vw,3.15rem);
  line-height:1.12;font-weight:800;letter-spacing:-.02em;
  max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero-lead{
  margin-top:20px;max-width:620px;
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.8);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{
  display:grid;gap:14px;
  border-left:1px solid var(--line-dark);padding-left:28px;
}
.hero-fact{display:flex;flex-direction:column;gap:4px}
.hero-fact strong{font-size:15px;font-weight:700;color:#fff}
.hero-fact span{font-size:14px;color:rgba(255,255,255,.62);line-height:1.65}

/* ---------- 编辑导语 ---------- */
.intro-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center}
.intro-copy h2{font-size:clamp(1.6rem,2.5vw,2.15rem)}
.intro-copy p{margin-top:18px;color:var(--muted)}
.intro-copy p strong{color:var(--text);font-weight:700}
.intro-points{display:grid;gap:12px;margin-top:26px}
.intro-point{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.intro-point svg{width:18px;height:18px;flex:none;margin-top:5px;color:var(--green)}
.intro-visual{position:relative;border-radius:6px;overflow:hidden;box-shadow:var(--sh-2)}
.intro-visual img{aspect-ratio:4/3;object-fit:cover;width:100%}
.intro-badge{
  position:absolute;left:20px;bottom:20px;
  background:rgba(14,17,22,.86);color:#fff;
  padding:12px 16px;border-radius:6px;
  font-size:14px;line-height:1.6;backdrop-filter:blur(2px);
}
.intro-badge strong{display:block;font-size:15px;margin-bottom:2px}

/* ---------- 频道锚点 ---------- */
.anchor-bar{
  background:#fff;border:1px solid var(--line);border-radius:6px;
  padding:16px 20px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;
}
.anchor-label{font-size:13px;color:var(--faint);letter-spacing:.08em;margin-right:4px}
.anchor-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--bg);
  font-size:14px;font-weight:600;color:var(--muted);
  transition:all .16s var(--ease);
}
.anchor-chip:hover{color:#fff;background:var(--ink);border-color:var(--ink)}
.anchor-chip b{font-size:12px;color:var(--orange-d);font-weight:800}
.anchor-chip:hover b{color:var(--orange)}

/* ---------- 项目板块 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
  background:var(--card);border:1px solid var(--line);border-radius:6px;
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6D2C8}
.topic-card figure{margin:0;overflow:hidden}
.topic-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.topic-card:hover img{transform:scale(1.03)}
.topic-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:1.2rem}
.topic-body p{font-size:15px;color:var(--muted);line-height:1.75}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:rgba(232,93,42,.1);color:var(--orange-d);
}
.tag--green{background:rgba(28,124,90,.1);color:var(--green)}
.tag--ink{background:rgba(14,17,22,.06);color:var(--char)}
.topic-card--wide{
  grid-column:1 / -1;
  flex-direction:row;align-items:stretch;
}
.topic-card--wide figure{flex:1 1 52%;min-width:0}
.topic-card--wide img{height:100%;aspect-ratio:auto;min-height:280px}
.topic-card--wide .topic-body{flex:1 1 48%;padding:34px 34px;justify-content:center}
.topic-card--wide .topic-body h3{font-size:1.5rem}
.topic-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.topic-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px;
  font-size:14px;font-weight:700;color:var(--ink);
}
.topic-link svg{width:15px;height:15px;transition:transform .16s var(--ease)}
.topic-card:hover .topic-link{color:var(--orange-d)}
.topic-card:hover .topic-link svg{transform:translateX(4px)}

/* ---------- 赛季时间轴 ---------- */
.timeline-wrap{background:#fff;border:1px solid var(--line);border-radius:6px;padding:clamp(24px,3vw,44px)}
.timeline{position:relative;display:grid;gap:22px}
.timeline::before{
  content:"";position:absolute;left:27px;top:12px;bottom:12px;width:1px;background:var(--line);
}
.tl-item{display:grid;grid-template-columns:56px minmax(0,1fr);gap:22px;position:relative}
.tl-index{
  position:relative;z-index:1;
  width:56px;height:56px;border-radius:6px;
  background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;
  font-weight:800;font-size:17px;color:var(--orange);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tl-item:hover .tl-index{background:var(--ink);color:#fff;border-color:var(--ink)}
.tl-body{
  border:1px solid var(--line);border-radius:6px;background:var(--bg);
  padding:20px 24px;transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.tl-item:hover .tl-body{background:#fff;box-shadow:var(--sh-1)}
.tl-body h3{font-size:1.18rem;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tl-body p{margin-top:10px;font-size:15px;color:var(--muted)}
.tl-list{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:14px}
.tl-list li{
  position:relative;padding-left:16px;font-size:14px;color:var(--char);
}
.tl-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--orange);
}

/* ---------- 卖点双列 ---------- */
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:start}
.split-left h2{font-size:clamp(1.6rem,2.5vw,2.15rem)}
.split-left p{margin-top:18px;color:var(--muted)}
.split-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.feature-list{display:grid;gap:14px}
.feature{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:6px;
  padding:20px 22px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.feature:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6D2C8}
.feature-num{
  width:44px;height:44px;border-radius:6px;background:rgba(28,124,90,.1);
  color:var(--green);display:grid;place-items:center;font-weight:800;font-size:15px;
}
.feature h3{font-size:1.08rem}
.feature p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);
  transition:color .16s var(--ease);
}
.faq-q:hover{color:var(--orange-d)}
.faq-icon{
  position:relative;flex:none;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--char);border-radius:2px;
  transition:background .16s var(--ease);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--orange);border-color:var(--orange)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s var(--ease)}
.faq-a p{padding:0 4px 24px;color:var(--muted);font-size:16px;line-height:1.85;max-width:840px}
.faq-a p a{color:var(--orange-d);border-bottom:1px solid rgba(201,74,30,.35)}

/* ---------- CTA ---------- */
.cta{
  background:var(--ink);color:#fff;border-radius:6px;
  padding:clamp(32px,4vw,56px);
  display:grid;grid-template-columns:minmax(0,1.2fr) auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;border:1px solid rgba(232,93,42,.4);
}
.cta h2{font-size:clamp(1.5rem,2.4vw,2.05rem)}
.cta p{margin-top:14px;color:rgba(255,255,255,.72);max-width:640px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- Footer ---------- */
.site-footer{background:var(--char);color:rgba(255,255,255,.72);margin-top:clamp(48px,7vw,96px)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding:clamp(40px,5vw,64px) 24px 32px;
}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:var(--orange)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;color:rgba(255,255,255,.6)}
.footer-col a{transition:color .16s var(--ease),padding-left .16s var(--ease)}
.footer-col a:hover{color:var(--orange);padding-left:3px}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:20px 24px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 动效 ---------- */
.rise{opacity:0;transform:translateY(12px);animation:rise .6s var(--ease) forwards}
.rise.d1{animation-delay:.06s}
.rise.d2{animation-delay:.12s}
.rise.d3{animation-delay:.18s}
@keyframes rise{to{opacity:1;transform:translateY(0)}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .hero-inner{grid-template-columns:1fr;gap:34px;align-items:start}
  .hero-facts{border-left:0;padding-left:0;border-top:1px solid var(--line-dark);padding-top:24px}
  .intro-grid,.split{grid-template-columns:1fr;gap:32px}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .topic-card--wide{flex-direction:column}
  .topic-card--wide img{min-height:240px}
  .topic-card--wide .topic-body{padding:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .cta{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .channel-row{height:auto;padding:8px 0;flex-direction:column;align-items:stretch;gap:8px}
  .hot-words{overflow-x:auto;padding-bottom:4px}
  .search-wrap.open .search-field{width:170px}
  .brand-text{font-size:17px}
  .topic-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:44px minmax(0,1fr);gap:16px}
  .tl-index{width:44px;height:44px;font-size:15px}
  .timeline::before{left:21px}
  .tl-body{padding:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:24px}
}
@media (max-width:560px){
  .hero h1{font-size:1.85rem}
  .btn{width:100%;height:46px}
  .btn-sm{width:auto;height:38px}
  .hero-actions .btn{width:100%}
  .intro-badge{left:12px;right:12px;bottom:12px}
  .anchor-bar{padding:14px}
  .search-wrap.open .search-field{width:130px}
  .brand-mark{width:30px;height:30px;font-size:16px}
  .feature{grid-template-columns:38px minmax(0,1fr);padding:18px}
  .feature-num{width:38px;height:38px;font-size:13px}
}
@media (max-width:420px){
  .brand-text{font-size:15px}
  .search-wrap.open .search-field{width:110px}
  .hero-facts{padding-top:20px}
}

/* roulang page: category2 */
:root{
  --ink:#0E1116;
  --charcoal:#171B21;
  --orange:#E85D2A;
  --orange-dark:#C94A1E;
  --green:#1C7C5A;
  --warn:#B7791F;
  --error:#C2412D;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#15181D;
  --muted:#5B6470;
  --weak:#8B949E;
  --line:#E3E0D8;
  --line-dark:rgba(255,255,255,.12);
  --radius:6px;
  --shadow-1:0 1px 2px rgba(0,0,0,.04);
  --shadow-2:0 12px 32px rgba(0,0,0,.06);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sp-1:48px;
  --sp-2:72px;
  --sp-3:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),opacity .18s var(--ease);}
a:hover{color:var(--orange);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:3px;}

.container{
  width:100%;
  max-width:1300px;
  margin:0 auto;
  padding:0 28px;
}
.section{padding:var(--sp-3) 0;}
.section-sm{padding:var(--sp-2) 0;}
.section-dark{background:var(--ink);color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--orange);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:block;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(1.7rem,3vw,2.4rem);
  line-height:1.2;margin:14px 0 14px;
}
.section-head p{color:var(--muted);font-size:16.5px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,239,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:box-shadow .16s var(--ease),border-color .16s var(--ease),background .16s var(--ease);
}
.site-header.is-stuck{
  box-shadow:0 8px 24px rgba(14,17,22,.08);
  border-bottom-color:var(--line);
  background:rgba(246,244,239,.99);
}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:62px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:var(--radius);
  background:var(--ink);color:#fff;display:grid;place-items:center;
  font-size:16px;font-weight:800;letter-spacing:0;
}
.brand-text{font-size:17.5px;letter-spacing:.01em;color:var(--ink);}
.brand-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:grid;place-items:center;transition:all .18s var(--ease);
}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{border-color:var(--ink);background:var(--ink);color:#fff;}
.search-wrap{position:relative;display:flex;align-items:center;}
.search-field{
  width:0;overflow:hidden;
  transition:width .24s var(--ease),opacity .2s var(--ease);
  opacity:0;
}
.search-field.is-open{width:270px;opacity:1;margin-right:2px;}
.search-field input{
  width:100%;height:40px;border-radius:var(--radius);
  border:1px solid var(--line);background:#fff;
  padding:0 14px;font-size:14.5px;
}
.search-field input:focus{outline:none;border-color:var(--orange);background:#FFF8F4;}
.channel-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding-bottom:11px;
}
.channels{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.channels::-webkit-scrollbar{display:none;}
.channel-link{
  flex:0 0 auto;
  padding:7px 14px;border-radius:var(--radius);
  font-size:15px;font-weight:600;color:var(--muted);
  border:1px solid transparent;
  transition:all .18s var(--ease);
}
.channel-link:hover{color:var(--ink);background:#fff;border-color:var(--line);}
.channel-link.active{color:#fff;background:var(--ink);border-color:var(--ink);}
.hot-words{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.hot-label{font-size:12.5px;font-weight:700;color:var(--weak);letter-spacing:.08em;}
.hot-chip{
  font-size:13px;color:var(--muted);padding:4px 10px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  transition:all .18s var(--ease);
}
.hot-chip:hover{color:var(--orange);border-color:var(--orange);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--radius);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:all .18s var(--ease);
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;transition:transform .18s var(--ease);}
.btn:hover svg{transform:translateX(4px);}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(232,93,42,.22);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--orange);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 84px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(232,93,42,.10),transparent 65%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:56px;align-items:center;
}
.hero h1{
  font-size:clamp(2.1rem,4vw,3.5rem);
  line-height:1.12;letter-spacing:-.02em;
  margin:18px 0 20px;
}
.hero h1 em{font-style:normal;color:var(--orange);}
.hero-lead{color:var(--muted);font-size:17.5px;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 26px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:26px;
  padding-top:24px;border-top:1px solid var(--line);
}
.hero-facts li{font-size:14.5px;color:var(--muted);}
.hero-facts strong{display:block;font-size:22px;color:var(--ink);font-weight:800;line-height:1.3;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 18px;box-shadow:var(--shadow-2);max-width:250px;
}
.hero-badge b{display:block;font-size:15px;color:var(--ink);}
.hero-badge span{font-size:13px;color:var(--muted);}
.hero-badge i{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--green);margin-right:7px;
}
.anim-up{animation:upIn .7s var(--ease) both;}
.anim-up.d1{animation-delay:.08s;}
.anim-up.d2{animation-delay:.16s;}
@keyframes upIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13.5px;color:var(--weak);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--orange);}
.crumb span{margin:0 8px;color:var(--line);}

/* ---------- 流程步骤 ---------- */
.steps{border-top:1px solid var(--line);}
.step{
  display:grid;grid-template-columns:96px 1fr 300px;
  gap:32px;align-items:start;
  padding:34px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.step:hover{background:#fff;}
.step-no{
  font-size:34px;font-weight:800;line-height:1;color:var(--line);
  letter-spacing:-.02em;
}
.step:hover .step-no{color:var(--orange);}
.step-body h3{font-size:1.32rem;line-height:1.35;margin-bottom:10px;}
.step-body p{color:var(--muted);font-size:16px;}
.step-meta{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;
}
.step-meta h4{
  font-size:12.5px;letter-spacing:.1em;color:var(--weak);
  text-transform:uppercase;margin-bottom:12px;
}
.step-meta li{
  font-size:14.5px;color:var(--muted);padding-left:16px;position:relative;
  margin-bottom:8px;
}
.step-meta li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--orange);
}
.step-meta li:last-child{margin-bottom:0;}

/* ---------- 对比矩阵 ---------- */
.matrix-scroll{overflow-x:auto;padding-bottom:6px;}
.matrix{
  display:grid;grid-template-columns:repeat(3,minmax(248px,1fr));
  gap:20px;min-width:760px;
}
.matrix-col{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.matrix-col:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.matrix-col.is-reco{border-color:var(--orange);box-shadow:0 12px 30px rgba(232,93,42,.12);}
.matrix-tag{
  align-self:flex-start;font-size:12.5px;font-weight:700;
  padding:4px 10px;border-radius:999px;
  background:#F1EEE7;color:var(--muted);margin-bottom:16px;
}
.matrix-col.is-reco .matrix-tag{background:var(--orange);color:#fff;}
.matrix-col h3{font-size:1.2rem;margin-bottom:8px;}
.matrix-col .sub{font-size:14px;color:var(--weak);margin-bottom:20px;}
.matrix-rows{margin-top:auto;}
.matrix-rows li{
  display:flex;justify-content:space-between;gap:14px;
  padding:11px 0;font-size:14.5px;
  border-bottom:1px dashed var(--line);
}
.matrix-rows li:last-child{border-bottom:0;}
.matrix-rows span:first-child{color:var(--weak);}
.matrix-rows span:last-child{color:var(--ink);font-weight:600;text-align:right;}

/* ---------- 注意事项 ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.notice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 24px 24px 22px;border-left:3px solid var(--orange);
}
.notice h3{font-size:1.08rem;margin-bottom:10px;display:flex;align-items:center;gap:9px;}
.notice h3 svg{width:18px;height:18px;color:var(--orange);flex:0 0 auto;}
.notice p{font-size:15px;color:var(--muted);}
.notice.is-safe{border-left-color:var(--green);}
.notice.is-safe h3 svg{color:var(--green);}

/* ---------- 图片叙事条 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);
}
.split h2{font-size:clamp(1.6rem,2.6vw,2.2rem);line-height:1.22;margin:14px 0 16px;}
.split p{color:var(--muted);}
.split-list{margin-top:22px;}
.split-list li{
  display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line);
  font-size:15.5px;color:var(--muted);
}
.split-list li b{color:var(--ink);flex:0 0 84px;font-weight:700;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:18px;text-align:left;padding:20px 22px;
  font-size:16.5px;font-weight:700;color:var(--ink);
  min-height:44px;
}
.faq-q:hover{color:var(--orange);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--orange);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;transition:opacity .2s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s var(--ease);
}
.faq-a-inner{padding:0 22px 22px;color:var(--muted);font-size:15.5px;}
.faq-item.is-open .faq-a{max-height:360px;}

/* ---------- 表单 ---------- */
.consult{background:var(--charcoal);color:#fff;}
.consult .section-head h2{color:#fff;}
.consult .section-head p{color:rgba(255,255,255,.66);}
.consult-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;}
.consult-aside li{
  display:flex;gap:14px;padding:18px 0;
  border-bottom:1px solid var(--line-dark);
}
.consult-aside li:last-child{border-bottom:0;}
.consult-aside b{
  flex:0 0 30px;height:30px;border-radius:var(--radius);
  background:rgba(232,93,42,.16);color:var(--orange);
  display:grid;place-items:center;font-size:13.5px;
}
.consult-aside p{font-size:15px;color:rgba(255,255,255,.66);}
.consult-aside strong{display:block;color:#fff;font-size:15.5px;margin-bottom:4px;}
.form-card{
  background:#fff;color:var(--text);
  border-radius:var(--radius);padding:30px;
  box-shadow:var(--shadow-2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;border-radius:var(--radius);
  border:1px solid var(--line);background:#FDFCFA;
  padding:12px 14px;font-size:15px;
  transition:border-color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{min-height:110px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);
  background:#FFF8F4;box-shadow:0 0 0 3px rgba(232,93,42,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--error);background:#FFF7F5;
}
.err-msg{display:none;font-size:13px;color:var(--error);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);}
.check input{width:18px;height:18px;min-height:18px;margin-top:4px;flex:0 0 auto;}
.form-note{font-size:13px;color:var(--weak);margin-top:14px;}
.form-status{display:none;font-size:14px;margin-top:14px;padding:12px 14px;border-radius:var(--radius);}
.form-status.ok{display:block;background:rgba(28,124,90,.08);color:var(--green);border:1px solid rgba(28,124,90,.24);}
.form-status.bad{display:block;background:rgba(194,65,45,.07);color:var(--error);border:1px solid rgba(194,65,45,.22);}

/* ---------- CTA 深色条 ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:var(--radius);
  padding:52px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(232,93,42,.34),transparent 68%);
}
.cta-band h2{font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.25;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.66);font-size:16px;max-width:620px;}
.cta-band .btn{position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);
  padding:64px 0 28px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line-dark);
}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:#fff;color:var(--ink);}
.footer-brand p{font-size:14.5px;margin-top:18px;max-width:340px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;}
.footer-col li{font-size:14.5px;margin-bottom:10px;}
.footer-col a:hover{color:var(--orange);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .step{grid-template-columns:80px 1fr 262px;gap:26px;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-media img{aspect-ratio:16/9;}
  .hero-badge{position:static;margin-top:16px;max-width:none;box-shadow:var(--shadow-1);}
  .split{grid-template-columns:1fr;gap:28px;}
  .consult-grid{grid-template-columns:1fr;gap:34px;}
  .step{grid-template-columns:64px 1fr;gap:22px;}
  .step-meta{grid-column:2 / -1;margin-top:6px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .search-field.is-open{width:200px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  :root{--sp-3:64px;--sp-2:52px;--sp-1:40px;}
  .channel-row{flex-direction:column;align-items:flex-start;gap:10px;}
  .channels{width:100%;}
  .hot-words{width:100%;overflow-x:auto;padding-bottom:4px;}
  .hero{padding:52px 0 60px;}
  .hero h1{font-size:clamp(1.9rem,6.4vw,2.5rem);}
  .notice-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .matrix{grid-template-columns:repeat(3,minmax(230px,1fr));}
}
@media (max-width:560px){
  .form-row{grid-template-columns:1fr;}
  .btn{width:100%;}
  .btn-block{width:100%;}
  .brand-actions .btn-sm{width:auto;}
  .search-field.is-open{width:150px;}
  .step{grid-template-columns:52px 1fr;gap:16px;padding:26px 0;}
  .step-no{font-size:26px;}
  .hero-facts{gap:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
}
@media (max-width:420px){
  .brand-text{font-size:15.5px;}
  .hot-chip{font-size:12.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --ink:#0E1116;
  --charcoal:#171B21;
  --orange:#E85D2A;
  --orange-deep:#C94A1E;
  --green:#1C7C5A;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#15181D;
  --text-2:#5B6470;
  --text-3:#8B949E;
  --line:#E3E0D8;
  --line-dark:rgba(255,255,255,.12);
  --warn:#B7791F;
  --error:#C2412D;
  --radius:6px;
  --shadow-1:0 1px 2px rgba(0,0,0,.04);
  --shadow-2:0 12px 32px rgba(0,0,0,.06);
  --ease:cubic-bezier(.2,.8,.2,1);
  --space-1:16px;
  --space-2:24px;
  --space-3:32px;
  --space-4:48px;
  --space-5:72px;
  --space-6:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease)}
a:hover{color:var(--orange-deep)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:3px}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius);font-size:15px;font-weight:600;
  line-height:1.2;letter-spacing:.01em;border:1px solid transparent;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn .arrow{transition:transform .18s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(246,244,239,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(150%) blur(4px);
  transition:box-shadow .16s var(--ease),background-color .16s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(14,17,22,.08);background:#fff}
.brand-row{display:flex;align-items:center;justify-content:space-between;height:58px;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800}
.brand-mark{
  width:30px;height:30px;border-radius:5px;background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;flex:0 0 auto;
}
.brand-text{font-size:17px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand:hover .brand-text{color:var(--orange-deep)}
.brand-actions{display:flex;align-items:center;gap:12px}
.search-wrap{position:relative;display:flex;align-items:center}
.icon-btn{
  width:36px;height:36px;border-radius:var(--radius);display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid transparent;transition:all .18s var(--ease)
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--ink);background:rgba(14,17,22,.05);border-color:var(--line)}
.search-field{
  width:0;overflow:hidden;transition:width .24s var(--ease),opacity .24s var(--ease);opacity:0;
}
.search-field.is-open{width:240px;opacity:1}
.search-field input{
  width:100%;height:36px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;
}
.search-field input:focus{outline:none;border-color:var(--orange);background:#FFF7F3}
.channel-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:46px}
.channels{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel-link{
  padding:7px 13px;border-radius:var(--radius);font-size:14.5px;font-weight:500;color:var(--text-2);white-space:nowrap;
  border:1px solid transparent;transition:all .18s var(--ease)
}
.channel-link:hover{color:var(--ink);background:rgba(14,17,22,.05)}
.channel-link.active{color:var(--ink);font-weight:700;background:#fff;border-color:var(--line);box-shadow:var(--shadow-1)}
.hot-words{display:flex;align-items:center;gap:8px;white-space:nowrap}
.hot-label{font-size:12.5px;color:var(--text-3);letter-spacing:.12em}
.hot-chip{
  font-size:13px;color:var(--text-2);padding:4px 10px;border-radius:999px;border:1px dashed var(--line);
  transition:all .18s var(--ease)
}
.hot-chip:hover{color:var(--orange-deep);border-color:var(--orange);background:#FFF7F3}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.42;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(14,17,22,.95) 0%,rgba(14,17,22,.78) 52%,rgba(14,17,22,.42) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 0 60px;max-width:780px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.5}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:#FFD9C7;border:1px solid rgba(232,93,42,.5);background:rgba(232,93,42,.14);
  padding:5px 12px;border-radius:999px;margin-bottom:20px;
}
.hero h1{
  font-size:clamp(2.1rem,4.2vw,3.5rem);line-height:1.14;font-weight:800;letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:#FF8A5B}
.hero-sub{font-size:clamp(1rem,1.4vw,1.12rem);line-height:1.85;color:rgba(255,255,255,.78);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:40px;
  background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--radius);overflow:hidden;
}
.hero-fact{background:rgba(23,27,33,.72);padding:18px 20px}
.hero-fact strong{display:block;font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em}
.hero-fact span{font-size:13px;color:rgba(255,255,255,.62)}
.fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .7s var(--ease) forwards}
.fade-up:nth-child(2){animation-delay:.08s}
.fade-up:nth-child(3){animation-delay:.16s}
.fade-up:nth-child(4){animation-delay:.24s}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-6) 0}
.section.section-tight{padding:var(--space-5) 0}
.section-head{max-width:760px;margin-bottom:36px}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--orange-deep);margin-bottom:12px}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.25rem);line-height:1.22;font-weight:800;letter-spacing:-.015em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85}
.bg-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 快速排查三步 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease)
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.step .num{
  font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--orange-deep);
  display:flex;align-items:center;gap:10px;margin-bottom:14px
}
.step .num::after{content:"";flex:1;height:1px;background:var(--line)}
.step h3{font-size:18px;font-weight:700;margin-bottom:10px}
.step p{color:var(--text-2);font-size:14.8px;line-height:1.82}

/* ---------- 分类 chips ---------- */
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--text-2);transition:all .18s var(--ease)
}
.chip:hover{border-color:var(--orange);color:var(--orange-deep)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.chip .count{font-size:12px;color:currentColor;opacity:.6;margin-left:6px}

/* ---------- FAQ 分组手风琴 ---------- */
.faq-groups{display:grid;gap:28px}
.faq-group{border-top:1px solid var(--line);padding-top:24px}
.faq-group[hidden]{display:none}
.group-title{
  font-size:17px;font-weight:800;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;margin-bottom:14px
}
.group-title .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex:0 0 auto}
.faq-list{display:grid;gap:0}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;text-align:left;font-size:16.5px;font-weight:700;color:var(--text);line-height:1.55;
  transition:color .18s var(--ease)
}
.faq-q:hover{color:var(--orange-deep)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .2s var(--ease)
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);left:50%;top:50%;border-radius:2px
}
.faq-icon::before{width:12px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:12px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-q{color:var(--orange-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-item.is-open .faq-a{max-height:520px}
.faq-a-inner{padding:0 44px 22px 4px;color:var(--text-2);font-size:15px;line-height:1.9}
.faq-a-inner strong{color:var(--text);font-weight:600}

/* ---------- 状态提示卡 ---------- */
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.status-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--green);
  border-radius:var(--radius);padding:22px 22px 24px;box-shadow:var(--shadow-1)
}
.status-card.warn{border-left-color:var(--warn)}
.status-card.error{border-left-color:var(--error)}
.status-card h4{font-size:15.5px;font-weight:700;margin-bottom:8px}
.status-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.status-badge{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;padding:3px 9px;border-radius:4px;
  background:rgba(28,124,90,.1);color:var(--green);margin-bottom:12px
}
.status-card.warn .status-badge{background:rgba(183,121,31,.12);color:var(--warn)}
.status-card.error .status-badge{background:rgba(194,65,45,.1);color:var(--error)}

/* ---------- 指南卡片 ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.guide-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease)
}
.guide-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.guide-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--charcoal)}
.guide-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.guide-card:hover .guide-media img{transform:scale(1.03)}
.guide-badge{
  position:absolute;left:14px;top:14px;background:rgba(14,17,22,.82);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.04em;padding:4px 10px;border-radius:4px
}
.guide-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.guide-body h3{font-size:17.5px;font-weight:700;line-height:1.45}
.guide-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;flex:1}
.guide-link{font-size:14px;font-weight:700;color:var(--orange-deep);display:inline-flex;align-items:center;gap:6px}
.guide-card:hover .guide-link .arrow{transform:translateX(4px)}
.guide-link .arrow{transition:transform .18s var(--ease)}

/* ---------- CTA 深色块 ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:8px;padding:48px 44px;
  display:grid;grid-template-columns:1.35fr .85fr;gap:40px;align-items:center;
  border:1px solid var(--line-dark);position:relative;overflow:hidden
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,93,42,.35),transparent 68%)
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.5rem,2.4vw,2.05rem);font-weight:800;line-height:1.25;letter-spacing:-.015em}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15.4px;line-height:1.85}
.cta-side{display:grid;gap:14px}
.cta-note{
  border:1px solid var(--line-dark);border-radius:var(--radius);padding:16px 18px;background:rgba(255,255,255,.03)
}
.cta-note strong{display:block;font-size:14.5px;margin-bottom:4px}
.cta-note span{font-size:13.5px;color:rgba(255,255,255,.65);line-height:1.7}

/* ---------- 表单 ---------- */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px 28px;box-shadow:var(--shadow-1)
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field input,.field select,.field textarea{
  height:48px;border:1px solid var(--line);border-radius:var(--radius);padding:0 14px;background:#fff;
  transition:border-color .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease)
}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:#FFF7F3;box-shadow:0 0 0 3px rgba(232,93,42,.1)
}
.field.has-error input,.field.has-error textarea{border-color:var(--error);background:#FDF4F2}
.field .err{font-size:13px;color:var(--error);display:none}
.field.has-error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.65}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--orange)}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px}
.form-msg{font-size:14px;font-weight:600;display:none}
.form-msg.ok{display:block;color:var(--green)}
.form-msg.bad{display:block;color:var(--error)}
.spinner{
  width:14px;height:14px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;
  animation:spin .7s linear infinite;display:none
}
.btn.is-loading .spinner{display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-mark{background:var(--orange)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 24px 26px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 20px}
}
@media (max-width:1024px){
  .steps{grid-template-columns:1fr 1fr}
  .status-grid{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-inner{padding:52px 0 48px}
}
@media (max-width:900px){
  .hot-words{display:none}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section.section-tight{padding:48px 0}
  .brand-text{font-size:15.5px}
  .search-field.is-open{position:absolute;right:0;top:44px;width:min(320px,80vw);z-index:70}
  .search-field.is-open input{box-shadow:var(--shadow-2);background:#fff}
  .channel-row{height:auto;padding-bottom:8px;flex-direction:column;align-items:flex-start;gap:0}
  .channels{width:100%;padding-bottom:2px}
  .steps{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .faq-a-inner{padding-right:12px}
  .cta-band{padding:32px 22px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .hero h1{font-size:clamp(1.85rem,8vw,2.3rem)}
  .hero-inner{padding:40px 0 38px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .brand-actions .btn-sm{width:auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .step,.form-card,.status-card{padding:18px 16px}
  .cta-band{padding:26px 18px}
  .faq-q{font-size:15.5px;padding:16px 2px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .fade-up{opacity:1;transform:none}
}