/* roulang page: index */
:root{
  --bg:#050A12;
  --surface:#07111F;
  --surface-2:#0B1728;
  --glass:rgba(13,28,48,.62);
  --glass-strong:rgba(13,28,48,.88);
  --border:rgba(120,220,255,.16);
  --border-2:rgba(120,220,255,.30);
  --border-strong:rgba(45,226,197,.45);
  --cyan:#2DE2C5;
  --cyan-deep:#1FB6A6;
  --purple:#7C5CFF;
  --amber:#F2B84B;
  --text:#EAF2FF;
  --muted:#9FB3C8;
  --dim:#6F849B;
  --ok:#2BD67B;
  --err:#FF5C7A;
  --r-sm:10px;
  --r-btn:12px;
  --r-card:20px;
  --r-panel:28px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --glow:0 12px 40px rgba(45,226,197,.20);
  --sidebar-w:248px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(45,226,197,.10), transparent 62%),
    radial-gradient(820px 520px at 96% 2%, rgba(124,92,255,.13), transparent 64%),
    linear-gradient(rgba(120,220,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,220,255,.045) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--text);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.4vw,52px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:clamp(18px,2vw,22px)}
p{color:var(--muted)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:var(--cyan);color:#04161A;padding:10px 18px;border-radius:0 0 12px 0;z-index:999}
.skip:focus{left:0}

/* ---------- 布局骨架 ---------- */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 40px}
.section{padding:88px 0;position:relative;z-index:1}
.section--tight{padding:64px 0}
.main{margin-left:var(--sidebar-w);position:relative;z-index:1}
.site-footer{margin-left:var(--sidebar-w);position:relative;z-index:1}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;z-index:60;
  background:linear-gradient(180deg,rgba(7,17,31,.96),rgba(5,10,18,.98));
  border-right:1px solid var(--border);
  backdrop-filter:blur(16px);
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  transition:transform .28s ease;
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 0}
.brand__mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--cyan),#1E8FB8 70%);
  color:#04161A;font-weight:800;font-size:19px;
  box-shadow:0 10px 26px rgba(45,226,197,.28);
  font-variant-numeric:tabular-nums;
}
.brand__text{font-size:15px;font-weight:700;line-height:1.25;letter-spacing:0}
.brand__text small{display:block;font-size:11px;font-weight:500;color:var(--dim);letter-spacing:.14em;margin-top:2px}
.sidebar__sep{height:1px;background:var(--border);margin:22px 8px 18px}
.nav{display:flex;flex-direction:column;gap:6px;margin-top:22px}
.nav__item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 12px;border-radius:var(--r-btn);
  color:var(--muted);font-size:15px;font-weight:500;
  border:1px solid transparent;
}
.nav__item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:0 3px 3px 0;background:var(--cyan);
  transition:height .22s ease;
}
.nav__item:hover{background:rgba(45,226,197,.07);color:var(--text)}
.nav__item.is-active{background:rgba(45,226,197,.10);color:#fff;border-color:rgba(45,226,197,.22)}
.nav__item.is-active::before{height:22px}
.nav__icon{display:grid;place-items:center;width:22px;height:22px;flex:0 0 22px;color:currentColor}
.nav__icon svg{width:18px;height:18px}
.sidebar__foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.sidebar__note{
  font-size:12.5px;line-height:1.6;color:var(--dim);
  padding:12px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--border);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn--primary{background:linear-gradient(135deg,var(--cyan),#22B9C9);color:#04161A;box-shadow:0 10px 30px rgba(45,226,197,.26)}
.btn--primary:hover{color:#04161A;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 40px rgba(45,226,197,.36)}
.btn--ghost{background:rgba(255,255,255,.04);border-color:var(--border);color:var(--text)}
.btn--ghost:hover{border-color:var(--border-strong);color:#fff;transform:translateY(-2px)}
.btn:active{transform:scale(.98)}
.btn--block{width:100%}
.btn--sm{height:40px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- 移动顶栏 ---------- */
.mobilebar{
  display:none;position:sticky;top:0;z-index:70;
  height:60px;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(5,10,18,.92);border-bottom:1px solid var(--border);
  backdrop-filter:blur(14px);
}
.mobilebar .brand__mark{width:34px;height:34px;flex:0 0 34px;font-size:16px;border-radius:10px}
.mobilebar .brand__text{font-size:14px}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:rgba(255,255,255,.04);display:grid;place-items:center;gap:4px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.2s}
.scrim{position:fixed;inset:0;background:rgba(2,6,12,.66);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.25s;z-index:55}
.scrim.is-on{opacity:1;visibility:visible}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--border);
  background-image:
    linear-gradient(104deg, rgba(5,10,18,.95) 0%, rgba(7,17,31,.78) 48%, rgba(5,10,18,.90) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero__grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;
  padding-top:78px;padding-bottom:74px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--cyan);
  padding:7px 14px;border-radius:999px;border:1px solid rgba(45,226,197,.28);
  background:rgba(45,226,197,.08);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.hero h1{margin:22px 0 18px}
.hero h1 em{font-style:normal;color:var(--cyan);white-space:nowrap}
.hero__sub{font-size:17px;line-height:1.85;max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero__points li{
  font-size:13px;color:var(--muted);padding:7px 13px;border-radius:999px;
  border:1px solid var(--border);background:rgba(255,255,255,.03);
}
.board{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.board__card{
  position:relative;padding:20px 18px 18px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(12px);box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.board__card:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow),var(--glow)}
.board__card--wide{grid-column:span 2;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.board__no{
  position:absolute;top:14px;right:16px;font-size:11px;letter-spacing:.18em;
  color:var(--dim);font-variant-numeric:tabular-nums;
}
.board__num{
  font-size:30px;font-weight:800;line-height:1.1;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.board__num--date{font-size:20px}
.board__label{font-size:13.5px;color:var(--muted);font-weight:500}
.board__hint{display:block;font-size:12px;color:var(--dim);margin-top:4px}
.board__trend{
  display:inline-block;margin-top:6px;font-size:11.5px;padding:3px 9px;border-radius:999px;
  background:rgba(45,226,197,.12);color:var(--cyan);border:1px solid rgba(45,226,197,.24);
}
.board__trend--amber{background:rgba(242,184,75,.12);color:var(--amber);border-color:rgba(242,184,75,.26)}
.board__trend--purple{background:rgba(124,92,255,.14);color:#B4A4FF;border-color:rgba(124,92,255,.28)}

/* ---------- 通用板块头 ---------- */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .eyebrow{margin-bottom:16px}
.sec-head h2{margin-bottom:14px}
.sec-head p{font-size:16.5px;line-height:1.85}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.cat-card{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  border:1px solid var(--border);background:var(--surface);
  display:flex;flex-direction:column;min-height:340px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow),var(--glow)}
.cat-card__media{position:relative;height:172px;overflow:hidden}
.cat-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cat-card:hover .cat-card__media img{transform:scale(1.05)}
.cat-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,18,.15),rgba(7,17,31,.92))}
.cat-card__body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.cat-card__kicker{font-size:12px;letter-spacing:.14em;color:var(--cyan)}
.cat-card__body h3{font-size:22px}
.cat-card__body p{font-size:15px;line-height:1.8}
.cat-card__more{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--cyan);
}
.cat-card__more::after{content:"→";transition:transform .2s ease}
.cat-card:hover .cat-card__more::after{transform:translateX(4px)}

/* ---------- Bento 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.bento__cell{
  border-radius:var(--r-card);border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(13,28,48,.72),rgba(7,17,31,.86));
  padding:26px 26px 28px;position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.bento__cell:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.bento__cell--w7{grid-column:span 7}
.bento__cell--w5{grid-column:span 5}
.bento__cell--w4{grid-column:span 4}
.bento__cell--w3{grid-column:span 3}
.bento__cell--media{padding:0;border:none;background:none;justify-content:flex-end;min-height:300px}
.bento__cell--media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bento__cell--media .bento__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,.24),rgba(5,10,18,.92));
}
.bento__cell--media .bento__pad{position:relative;padding:26px;display:flex;flex-direction:column;gap:12px}
.bento__tag{
  align-self:flex-start;font-size:11.5px;letter-spacing:.12em;font-weight:600;
  color:var(--cyan);padding:5px 11px;border-radius:999px;
  border:1px solid rgba(45,226,197,.26);background:rgba(45,226,197,.08);
}
.bento__tag--purple{color:#B4A4FF;border-color:rgba(124,92,255,.3);background:rgba(124,92,255,.12)}
.bento__tag--amber{color:var(--amber);border-color:rgba(242,184,75,.3);background:rgba(242,184,75,.12)}
.bento__cell h3{font-size:20px}
.bento__cell p{font-size:14.5px;line-height:1.8}
.bento__list{display:flex;flex-direction:column;gap:9px;margin-top:2px}
.bento__list li{
  font-size:14px;color:var(--muted);padding-left:18px;position:relative;line-height:1.7;
}
.bento__list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:var(--cyan);opacity:.7;
}
.bento__grid9{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:6px}
.bento__grid9 span{
  aspect-ratio:1/1;border-radius:8px;border:1px solid var(--border);
  background:rgba(255,255,255,.03);display:grid;place-items:center;
  font-size:12px;color:var(--dim);font-variant-numeric:tabular-nums;
}
.bento__grid9 span:nth-child(1),
.bento__grid9 span:nth-child(5),
.bento__grid9 span:nth-child(9){border-color:rgba(45,226,197,.34);color:var(--cyan);background:rgba(45,226,197,.08)}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.compare__col{
  border-radius:var(--r-panel);border:1px solid var(--border);padding:30px 28px;
  background:var(--surface);display:flex;flex-direction:column;gap:16px;
}
.compare__col--new{
  background:linear-gradient(180deg,rgba(45,226,197,.09),rgba(7,17,31,.92));
  border-color:rgba(45,226,197,.32);
  box-shadow:0 24px 60px rgba(45,226,197,.10);
}
.compare__col h3{display:flex;align-items:center;gap:10px;font-size:20px}
.compare__badge{
  font-size:11.5px;padding:4px 10px;border-radius:999px;font-weight:600;
  background:rgba(255,255,255,.05);color:var(--muted);border:1px solid var(--border);
}
.compare__badge--on{background:rgba(45,226,197,.14);color:var(--cyan);border-color:rgba(45,226,197,.3)}
.compare__list{display:flex;flex-direction:column;gap:13px}
.compare__list li{display:flex;gap:11px;font-size:14.5px;line-height:1.75;color:var(--muted)}
.mark{
  flex:0 0 20px;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  font-size:12px;font-weight:800;margin-top:3px;
}
.mark--no{background:rgba(255,92,122,.14);color:var(--err);border:1px solid rgba(255,92,122,.3)}
.mark--yes{background:rgba(43,214,123,.14);color:var(--ok);border:1px solid rgba(43,214,123,.32)}
.bars{margin-top:36px;display:flex;flex-direction:column;gap:18px}
.bar-row{display:grid;grid-template-columns:190px 1fr 76px;gap:16px;align-items:center}
.bar-row__k{font-size:14px;color:var(--muted)}
.bar-row__track{height:10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--border);overflow:hidden}
.bar-row__track i{display:block;height:100%;border-radius:999px}
.bar-row__fill--old{background:linear-gradient(90deg,#3E4C63,#5A6B85)}
.bar-row__fill--new{background:linear-gradient(90deg,var(--cyan),#22B9C9);box-shadow:0 0 18px rgba(45,226,197,.4)}
.bar-row__v{font-size:13.5px;color:var(--text);text-align:right;font-variant-numeric:tabular-nums}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  border-radius:var(--r-card);border:1px solid var(--border);background:var(--surface);
  overflow:hidden;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow),var(--glow)}
.news-card.is-featured{grid-column:span 2}
.news-card__link{display:flex;flex-direction:column;height:100%}
.news-card.is-featured .news-card__link{flex-direction:row}
.news-card__thumb{flex:0 0 auto;height:172px;overflow:hidden;position:relative;background:var(--surface-2)}
.news-card.is-featured .news-card__thumb{width:236px;height:auto}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-card__thumb img{transform:scale(1.05)}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card__title{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__desc{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--dim)}
.tag{
  padding:4px 10px;border-radius:999px;font-size:12px;
  background:rgba(45,226,197,.10);color:var(--cyan);border:1px solid rgba(45,226,197,.24);
}
.news-card__time{font-variant-numeric:tabular-nums}
.empty{
  border:1px dashed var(--border-2);border-radius:var(--r-panel);
  padding:56px 28px;text-align:center;background:rgba(255,255,255,.02);
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty__icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:rgba(45,226,197,.10);border:1px solid rgba(45,226,197,.26);color:var(--cyan);
}
.empty h3{font-size:18px}
.empty p{font-size:14.5px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.faq{
  border:1px solid var(--border);border-radius:var(--r-card);
  background:var(--glass);backdrop-filter:blur(10px);overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq[open]{border-color:var(--border-strong);background:rgba(13,28,48,.8)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 54px 20px 22px;position:relative;
  font-size:16.5px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;
  transform:translateY(-50%);border-radius:4px;
  background:
    linear-gradient(var(--cyan),var(--cyan)) center/14px 2px no-repeat,
    linear-gradient(var(--cyan),var(--cyan)) center/2px 14px no-repeat;
  transition:transform .25s ease,opacity .25s ease;
}
.faq[open] summary::after{transform:translateY(-50%) rotate(90deg);opacity:.5}
.faq__body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 表单 / CTA ---------- */
.consult{
  border-radius:var(--r-panel);border:1px solid var(--border);
  background-image:
    linear-gradient(120deg, rgba(5,10,18,.94), rgba(9,22,38,.86)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:52px 44px;box-shadow:var(--shadow);
}
.consult__head{max-width:640px;margin-bottom:32px}
.consult__head h2{margin:16px 0 12px}
.consult__head p{font-size:16px;line-height:1.85}
.form{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;
  background:rgba(13,28,48,.62);border:1px solid var(--border);
  border-radius:var(--r-panel);padding:32px;backdrop-filter:blur(14px);
}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:span 2}
.field label{font-size:13.5px;font-weight:600;color:var(--text)}
.field label span{color:var(--err);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(5,10,18,.72);border:1px solid var(--border);color:var(--text);
  font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:132px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(45,226,197,.16);
}
.field__hint{font-size:12.5px;color:var(--dim)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7}
.check input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--cyan)}
.form__actions{grid-column:span 2;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form__tip{
  display:none;font-size:13.5px;padding:10px 14px;border-radius:var(--r-btn);
  background:rgba(43,214,123,.12);border:1px solid rgba(43,214,123,.32);color:#8BF0B9;
}
.form__tip.is-show{display:inline-block}
.form__err{display:none;font-size:13px;color:var(--err)}
.form__err.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--border);background:rgba(5,10,18,.86);
  padding:60px 0 26px;position:relative;z-index:1;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.foot-brand{display:flex;flex-direction:column;gap:14px}
.foot-brand .brand{padding:0}
.foot-brand p{font-size:14px;line-height:1.8;max-width:320px}
.foot-col h4{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col a,.foot-col li{font-size:14px;color:var(--muted)}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}
.foot-bottom a{color:var(--dim)}
.foot-bottom a:hover{color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .hero__grid{gap:38px;padding-top:64px;padding-bottom:62px}
}
@media (max-width:1179px) and (min-width:1024px){
  html{--sidebar-w:88px}
  .sidebar{padding:24px 10px 20px;align-items:center}
  .brand{justify-content:center;padding:0}
  .brand__text{display:none}
  .sidebar__sep{margin:20px 0 16px;width:100%}
  .nav{width:100%;align-items:center}
  .nav__item{justify-content:center;padding:13px 8px}
  .nav__text{display:none}
  .sidebar__foot .sidebar__note{display:none}
  .sidebar__foot .btn{padding:0 10px;font-size:12.5px;height:42px;width:100%}
  .container{padding:0 28px}
}
@media (max-width:1023px){
  :root{--sidebar-w:0px}
  .mobilebar{display:flex}
  .sidebar{
    width:272px;transform:translateX(-100%);
    box-shadow:0 0 60px rgba(0,0,0,.6);
  }
  .sidebar.is-open{transform:translateX(0)}
  .main,.site-footer{margin-left:0}
  .hero__grid{grid-template-columns:1fr;gap:34px;padding-top:52px;padding-bottom:50px}
  .board{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}
  .bento__cell--w7,.bento__cell--w5,.bento__cell--w4,.bento__cell--w3{grid-column:span 3}
  .bento__cell--media{min-height:260px}
  .compare{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-card.is-featured{grid-column:span 2}
  .news-card.is-featured .news-card__link{flex-direction:column}
  .news-card.is-featured .news-card__thumb{width:100%;height:200px}
  .faq-grid{grid-template-columns:1fr}
  .form{grid-template-columns:1fr;padding:26px}
  .field--full{grid-column:span 1}
  .form__actions{grid-column:span 1}
  .consult{padding:38px 24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .bar-row{grid-template-columns:120px 1fr 66px;gap:12px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  body{font-size:15.5px}
  .hero__actions .btn{width:100%}
  .board{grid-template-columns:1fr}
  .board__card--wide{grid-column:span 1}
  .bento{grid-template-columns:1fr}
  .bento__cell--w7,.bento__cell--w5,.bento__cell--w4,.bento__cell--w3{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .news-card.is-featured{grid-column:span 1}
  .news-card__thumb{height:180px !important}
  .bar-row{grid-template-columns:1fr;gap:8px}
  .bar-row__v{text-align:left}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .compare__col{padding:24px 20px}
  .hero h1 em{white-space:normal}
}
@media (max-width:480px){
  h1{font-size:27px}
  .hero__grid{padding-top:40px;padding-bottom:40px}
  .board__num{font-size:25px}
  .board__num--date{font-size:17px}
  .cat-card__body{padding:20px}
  .consult{padding:28px 18px}
  .form{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg:#050A12;
  --surface:#07111F;
  --surface-2:#0B1A2E;
  --glass:rgba(13,28,48,.62);
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.34);
  --accent:#2DE2C5;
  --accent-2:#7C5CFF;
  --amber:#F2B84B;
  --ok:#2BD67B;
  --err:#FF5C7A;
  --text:#EAF2FF;
  --muted:#9FB3C8;
  --radius-card:20px;
  --radius-panel:28px;
  --radius-btn:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --sidebar-w:248px;
  --container:1180px;
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(760px 520px at 84% -10%, rgba(45,226,197,.10), transparent 60%),
    radial-gradient(620px 480px at 6% 10%, rgba(124,92,255,.10), transparent 62%),
    linear-gradient(rgba(120,220,255,.035) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg, rgba(120,220,255,.035) 1px, transparent 1px) 0 0/48px 48px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:650;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0}
button{font-family:inherit}
::selection{background:rgba(45,226,197,.32);color:#04121A}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:40;
  display:flex;flex-direction:column;gap:22px;
  padding:26px 18px 22px;
  background:linear-gradient(180deg, rgba(9,20,36,.96), rgba(6,13,24,.92));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  flex:0 0 auto;width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  font-size:20px;font-weight:700;color:#03151A;
  background:linear-gradient(140deg,var(--accent),#59F0D8 45%,var(--accent-2));
  box-shadow:0 10px 26px rgba(45,226,197,.28);
  font-variant-numeric:tabular-nums;
}
.brand__text{display:flex;flex-direction:column;font-size:16px;font-weight:650;letter-spacing:.3px;line-height:1.25}
.brand__text small{font-size:11.5px;font-weight:400;color:var(--muted);letter-spacing:.6px;margin-top:3px}
.nav{display:flex;flex-direction:column;gap:6px}
.nav__item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:12px;
  color:var(--muted);font-size:14.5px;line-height:1.4;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav__item:hover{color:var(--text);background:rgba(45,226,197,.08)}
.nav__item.is-active{
  color:var(--text);
  background:linear-gradient(90deg,rgba(45,226,197,.18),rgba(45,226,197,.02));
}
.nav__item.is-active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 12px rgba(45,226,197,.85);
}
.nav__icon{flex:0 0 auto;width:20px;height:20px;display:grid;place-items:center;color:currentColor}
.nav__icon svg{width:20px;height:20px}
.nav__item.is-active .nav__icon{color:var(--accent)}
.sidebar__foot{
  margin-top:auto;padding:16px;border-radius:18px;
  background:var(--glass);border:1px solid var(--line);
}
.sidebar__foot p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px}
.topbar{display:none}
.scrim{
  position:fixed;inset:0;background:rgba(3,8,16,.7);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:.25s ease;z-index:35;
}
.scrim.is-open{opacity:1;visibility:visible}

/* ---------- Layout ---------- */
.main{position:relative;z-index:1;margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.article-wrap{padding:34px 0 72px;flex:1 1 auto}

/* ---------- Breadcrumbs ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumbs a{transition:color .2s ease}
.crumbs a:hover{color:var(--accent)}
.crumbs span[aria-hidden]{color:rgba(159,179,200,.45)}
.crumbs__current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article head ---------- */
.article-head{
  position:relative;overflow:hidden;
  padding:34px 34px 30px;border-radius:var(--radius-panel);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.article-head::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle, rgba(45,226,197,.16), transparent 68%);pointer-events:none;
}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:12.5px;letter-spacing:.4px;
  color:var(--accent);background:rgba(45,226,197,.10);
  border:1px solid rgba(45,226,197,.32);
}
.badge--violet{color:#C0B2FF;background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.34)}
.article-head h1{
  margin:18px 0 16px;
  font-size:clamp(26px,3.4vw,40px);
  font-weight:700;letter-spacing:.4px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(159,179,200,.5)}
.article-cover{
  margin-top:26px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);position:relative;
}
.article-cover img{width:100%;height:clamp(210px,34vw,380px);object-fit:cover}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,.10),rgba(5,10,18,.62));
}

/* ---------- Article body ---------- */
.article-body{margin-top:34px}
.prose{
  max-width:800px;
  font-size:17px;line-height:1.9;color:var(--text);
}
.prose > * + *{margin-top:18px}
.prose h2{
  font-size:clamp(22px,2.4vw,28px);
  margin-top:46px;padding-left:16px;line-height:1.4;
  border-left:4px solid var(--accent);
}
.prose h3{font-size:20px;margin-top:34px;color:#DCEBFF}
.prose p{color:#DCE6F5}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:#7CF0DD}
.prose ul,.prose ol{padding-left:22px;color:#DCE6F5}
.prose li{margin:8px 0}
.prose li::marker{color:var(--accent)}
.prose strong{color:#FFFFFF}
.prose blockquote{
  margin:26px 0;padding:18px 22px;
  background:rgba(124,92,255,.08);
  border-left:3px solid var(--accent-2);
  border-radius:0 16px 16px 0;color:#C6D5E8;
}
.prose blockquote p{color:#C6D5E8}
.prose img{border-radius:18px;border:1px solid var(--line);margin:26px 0}
.prose figure{margin:26px 0}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.prose table{
  width:100%;border-collapse:collapse;font-size:15px;
  background:var(--glass);border:1px solid var(--line);border-radius:16px;overflow:hidden;
}
.prose th,.prose td{padding:12px 15px;border-bottom:1px solid var(--line);text-align:left}
.prose th{background:rgba(45,226,197,.08);color:var(--text);font-weight:600}
.prose tr:last-child td{border-bottom:none}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14.5px;
  background:rgba(120,220,255,.10);padding:2px 7px;border-radius:6px;color:#A8F3E4;
}
.prose hr{border:none;height:1px;background:var(--line);margin:34px 0}

/* ---------- Empty / notice ---------- */
.notice{
  max-width:800px;padding:34px;border-radius:var(--radius-panel);
  background:var(--glass);border:1px dashed var(--line-strong);text-align:left;
}
.notice h2{font-size:22px;margin-bottom:12px}
.notice p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,opacity .2s ease;
}
.btn--primary{
  color:#03151A;
  background:linear-gradient(135deg,var(--accent),#5CF2DA 58%,#39C8FF);
  box-shadow:0 12px 30px rgba(45,226,197,.28);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(45,226,197,.4)}
.btn--primary:active{transform:scale(.98)}
.btn--ghost{
  color:var(--text);background:rgba(13,28,48,.66);border-color:var(--line);
}
.btn--ghost:hover{border-color:var(--accent);color:#B9FBEF;transform:translateY(-2px)}
.btn--ghost:active{transform:scale(.98)}
.btn--sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- Related ---------- */
.section-title{
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px;
  margin:64px 0 22px;
}
.section-title h2{font-size:clamp(20px,2.2vw,26px)}
.section-title p{font-size:13.5px;color:var(--muted)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 48px rgba(0,0,0,.5)}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card__media img{transform:scale(1.05)}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,18,.05),rgba(5,10,18,.55))}
.card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px}
.card__body h3{font-size:17px;line-height:1.5}
.card__body p{font-size:13.5px;color:var(--muted);line-height:1.7}
.card__meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.card__link{font-size:13.5px;color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;margin-top:2px}
.card:hover .card__link{gap:10px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;margin-top:72px;
  padding:44px 40px;border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(9,22,40,.94),rgba(7,15,28,.9)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-110px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.22),transparent 68%);
}
.cta-band__inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:var(--muted);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:auto;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(6,13,24,.4),rgba(5,10,18,.96));
  padding:54px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.1fr;gap:34px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:13.5px;color:var(--muted);line-height:1.8;max-width:330px}
.foot-col h4{font-size:14px;color:var(--text);margin-bottom:14px;letter-spacing:.5px}
.foot-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:13.5px;color:var(--muted);line-height:1.6}
.foot-col a{font-size:13.5px;color:var(--muted);transition:color .2s ease}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  :root{--sidebar-w:88px;--container:1000px}
  .sidebar{padding:22px 12px;align-items:center}
  .brand{justify-content:center}
  .brand__text{display:none}
  .nav{width:100%;align-items:center}
  .nav__item{justify-content:center;padding:11px 8px;width:100%}
  .nav__text{display:none}
  .sidebar__foot{display:none}
  .container{padding:0 24px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:26px}
}
@media (max-width:1023px){
  :root{--sidebar-w:0px}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    position:sticky;top:0;z-index:45;height:62px;padding:0 18px;
    background:rgba(6,13,24,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px);
  }
  .topbar .brand__text{display:flex}
  .topbar .brand__mark{width:36px;height:36px;border-radius:12px;font-size:17px}
  .burger{
    width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
    background:rgba(13,28,48,.7);border:1px solid var(--line);color:var(--text);cursor:pointer;
    transition:border-color .2s ease,background .2s ease;
  }
  .burger:hover{border-color:var(--accent)}
  .burger svg{width:20px;height:20px}
  .sidebar{
    width:268px;padding:24px 18px;transform:translateX(-100%);
    transition:transform .28s ease;align-items:stretch;
    box-shadow:0 24px 60px rgba(0,0,0,.6);
  }
  .sidebar.is-open{transform:translateX(0)}
  .sidebar .brand{justify-content:flex-start}
  .sidebar .brand__text{display:flex}
  .sidebar .nav{align-items:stretch}
  .sidebar .nav__item{justify-content:flex-start;padding:11px 14px}
  .sidebar .nav__text{display:inline}
  .sidebar__foot{display:block}
  .main{margin-left:0}
  .article-wrap{padding:24px 0 60px}
  .article-head{padding:26px 22px 24px;border-radius:22px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;border-radius:22px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .prose{font-size:16.5px;max-width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .topbar{height:56px;padding:0 14px}
  .article-head h1{font-size:24px;margin:14px 0 14px}
  .article-meta{gap:8px 12px;font-size:12.5px}
  .article-cover img{height:190px}
  .prose{font-size:16px;line-height:1.85}
  .prose h2{font-size:21px;margin-top:34px}
  .prose h3{font-size:18px}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --bg:#050A12;
  --surface:#07111F;
  --surface-2:#0A1729;
  --glass:rgba(13,28,48,.62);
  --glass-strong:rgba(13,28,48,.82);
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.34);
  --cyan:#2DE2C5;
  --cyan-deep:#22b9ff;
  --violet:#7C5CFF;
  --amber:#F2B84B;
  --text:#EAF2FF;
  --muted:#9FB3C8;
  --ok:#2BD67B;
  --warn:#F2B84B;
  --err:#FF5C7A;
  --r-card:20px;
  --r-panel:28px;
  --r-btn:12px;
  --r-input:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-soft:0 10px 30px rgba(0,0,0,.32);
  --side:248px;
  --gap:24px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(920px 620px at 12% -12%, rgba(45,226,197,.10), transparent 66%),
    radial-gradient(820px 580px at 92% 4%, rgba(124,92,255,.13), transparent 64%),
    radial-gradient(700px 520px at 60% 108%, rgba(45,226,197,.06), transparent 68%),
    linear-gradient(rgba(120,220,255,.042) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg, rgba(120,220,255,.042) 1px, transparent 1px) 0 0/48px 48px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--cyan)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.2px}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
strong{font-weight:700;color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

.app{min-height:100vh}

/* ============ 侧栏导航（App Shell） ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side);
  padding:26px 18px 22px;
  display:flex;
  flex-direction:column;
  gap:22px;
  background:linear-gradient(180deg, rgba(9,20,36,.96), rgba(5,10,18,.96));
  border-right:1px solid var(--line);
  backdrop-filter:blur(16px);
  z-index:60;
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 8px;
}
.logo:hover{color:var(--text)}
.logo__mark{
  width:42px;height:42px;
  flex:none;
  border-radius:13px;
  display:grid;place-items:center;
  font-weight:700;
  font-size:20px;
  color:#04121a;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-deep));
  box-shadow:0 10px 26px rgba(45,226,197,.30);
  font-variant-numeric:tabular-nums;
}
.logo__text{
  display:flex;
  flex-direction:column;
  font-size:16px;
  font-weight:700;
  letter-spacing:.3px;
  line-height:1.25;
}
.logo__text small{
  font-size:12px;
  font-weight:400;
  color:var(--muted);
  letter-spacing:.4px;
  margin-top:3px;
}
.nav{display:flex;flex-direction:column;gap:6px}
.nav__item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border-radius:14px;
  color:var(--muted);
  font-size:15px;
  font-weight:500;
  border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.nav__icon{width:20px;height:20px;flex:none;display:grid;place-items:center}
.nav__icon svg{width:20px;height:20px}
.nav__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav__item:hover{
  color:var(--text);
  background:rgba(45,226,197,.07);
  border-color:rgba(120,220,255,.14);
}
.nav__item.is-active{
  color:#fff;
  background:linear-gradient(90deg, rgba(45,226,197,.16), rgba(45,226,197,.03));
  border-color:rgba(120,220,255,.22);
}
.nav__item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:3px;
  background:var(--cyan);
  box-shadow:0 0 14px rgba(45,226,197,.75);
}
.nav__item.is-active .nav__icon{color:var(--cyan)}
.sidebar__foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.sidebar__foot p{font-size:12.5px;color:var(--muted);line-height:1.7;padding:0 6px}

/* ============ 主区域 ============ */
.page{
  margin-left:var(--side);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}
.topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:55;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:0 16px;
  height:60px;
  background:rgba(6,13,24,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.topbar__brand{
  font-size:16px;
  font-weight:700;
  letter-spacing:.3px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.menu-btn{
  width:42px;height:42px;
  flex:none;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(13,28,48,.7);
  border:1px solid var(--line);
  color:var(--text);
  cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.menu-btn:hover{border-color:var(--line-strong);background:rgba(45,226,197,.08)}
.menu-btn svg{width:20px;height:20px}
.scrim{
  position:fixed;
  inset:0;
  background:rgba(3,7,13,.66);
  backdrop-filter:blur(3px);
  z-index:58;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
}
.scrim.is-open{opacity:1;pointer-events:auto}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn--primary{
  color:#04121a;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-deep));
  box-shadow:0 12px 32px rgba(45,226,197,.26);
}
.btn--primary:hover{
  color:#04121a;
  transform:translateY(-2px);
  box-shadow:0 18px 40px rgba(45,226,197,.38);
  filter:brightness(1.06);
}
.btn--primary:active{transform:translateY(0) scale(.98)}
.btn--ghost{
  color:var(--text);
  background:rgba(13,28,48,.66);
  border-color:var(--line);
}
.btn--ghost:hover{
  color:#fff;
  border-color:var(--line-strong);
  background:rgba(45,226,197,.09);
  transform:translateY(-2px);
}
.btn--ghost:active{transform:translateY(0) scale(.98)}
.btn--sm{height:40px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.4px;
  color:var(--cyan);
  background:rgba(45,226,197,.10);
  border:1px solid rgba(45,226,197,.26);
}
.badge--violet{color:#b8aaff;background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.30)}
.badge--amber{color:var(--amber);background:rgba(242,184,75,.11);border-color:rgba(242,184,75,.28)}

.section{padding:72px 0}
.section--tight{padding:52px 0}
.section__head{max-width:760px;margin-bottom:38px}
.section__head h2{
  font-size:clamp(24px,2.6vw,34px);
  margin-bottom:14px;
}
.section__head p{color:var(--muted);font-size:16px;line-height:1.85}
.eyebrow{
  display:block;
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  color:var(--cyan);
  margin-bottom:12px;
}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:0}

/* ============ Hero ============ */
.hero-wrap{padding:40px 0 8px}
.hero{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  padding:56px 48px;
  background-image:
    linear-gradient(115deg, rgba(5,10,18,.94) 0%, rgba(6,14,26,.86) 46%, rgba(6,14,26,.68) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:1.18fr .82fr;
  gap:44px;
  align-items:center;
}
.hero::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(45,226,197,.20), transparent 68%);
  pointer-events:none;
}
.hero__crumb{
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:18px;
}
.hero__crumb a{color:var(--muted)}
.hero__crumb a:hover{color:var(--cyan)}
.hero__crumb span{margin:0 8px;opacity:.55}
.hero h1{
  font-size:clamp(30px,3.7vw,46px);
  line-height:1.22;
  margin:16px 0 18px;
  letter-spacing:.4px;
}
.hero h1 em{
  font-style:normal;
  color:var(--cyan);
}
.hero__sub{
  color:#c6d6e8;
  font-size:17px;
  line-height:1.9;
  max-width:640px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:26px;
  font-size:13.5px;
  color:var(--muted);
}
.hero__meta li{display:flex;align-items:center;gap:8px}
.hero__meta li::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(45,226,197,.8);
}
.hero-card{
  position:relative;
  padding:26px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.hero-card h3{font-size:17px;margin-bottom:6px}
.hero-card > p{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.hero-card__list{display:flex;flex-direction:column;gap:10px}
.hero-card__list li{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(6,14,26,.6);
  border:1px solid rgba(120,220,255,.12);
  font-size:14px;
  color:#d3e2f1;
  transition:border-color .2s ease,background .2s ease;
}
.hero-card__list li:hover{border-color:var(--line-strong);background:rgba(45,226,197,.06)}
.hero-card__list b{
  font-size:13px;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
  letter-spacing:1px;
}

/* ============ 步骤条 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:18px;
  position:relative;
}
.step{
  position:relative;
  padding:26px 20px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 18px 42px rgba(0,0,0,.42), 0 0 0 1px rgba(45,226,197,.14);
}
.step__no{
  width:38px;height:38px;
  border-radius:12px;
  display:grid;place-items:center;
  font-size:14px;
  font-weight:700;
  color:#04121a;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-deep));
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}
.step::after{
  content:"";
  position:absolute;
  top:44px;right:-11px;
  width:18px;height:2px;
  background:linear-gradient(90deg,rgba(45,226,197,.7),rgba(45,226,197,0));
}
.step:last-child::after{display:none}

/* ============ 交错图文 ============ */
.split{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:46px;
  align-items:center;
  padding:34px 0;
}
.split--rev .split__media{order:-1}
.split__media{
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--surface);
}
.split__media img{
  width:100%;
  height:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .5s ease;
}
.split__media:hover img{transform:scale(1.035)}
.split__body .badge{margin-bottom:16px}
.split__body h3{font-size:clamp(21px,2.2vw,26px);margin-bottom:14px}
.split__body p{color:var(--muted);font-size:15.5px;line-height:1.9;margin-bottom:16px}
.mini-list{display:flex;flex-direction:column;gap:10px}
.mini-list li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  color:#cfdeee;
  line-height:1.8;
}
.mini-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
}

/* ============ 要点清单 + 数据 ============ */
.insight{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:38px;
  align-items:start;
}
.panel{
  padding:32px;
  border-radius:var(--r-panel);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.panel h3{font-size:20px;margin-bottom:8px}
.panel > p{font-size:14.5px;color:var(--muted);margin-bottom:22px}
.checklist{display:flex;flex-direction:column;gap:12px}
.checklist li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:14px;
  background:rgba(6,14,26,.56);
  border:1px solid rgba(120,220,255,.12);
  font-size:14.5px;
  color:#d5e3f2;
  line-height:1.75;
  transition:border-color .2s ease,background .2s ease;
}
.checklist li:hover{border-color:var(--line-strong);background:rgba(45,226,197,.06)}
.checklist .tick{
  flex:none;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:7px;
  display:grid;place-items:center;
  background:rgba(45,226,197,.14);
  border:1px solid rgba(45,226,197,.34);
  color:var(--cyan);
  font-size:12px;
  font-weight:700;
}
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.metric{
  padding:22px 20px;
  border-radius:18px;
  background:var(--glass-strong);
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease;
}
.metric:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.metric__no{
  font-size:12px;
  letter-spacing:2px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.metric__num{
  font-size:34px;
  font-weight:700;
  line-height:1.2;
  margin:8px 0 4px;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.metric__num i{font-style:normal;font-size:15px;color:var(--muted);margin-left:4px;font-weight:500}
.metric__label{font-size:13.5px;color:var(--muted)}
.metric--accent{border-color:rgba(45,226,197,.34);background:linear-gradient(160deg,rgba(45,226,197,.12),rgba(13,28,48,.7))}
.metric--accent .metric__num{color:var(--cyan)}

/* ============ FAQ ============ */
.faq{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.faq details{
  border-radius:18px;
  background:var(--glass);
  border:1px solid var(--line);
  padding:0 22px;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.faq details:hover{border-color:var(--line-strong)}
.faq details[open]{
  border-color:rgba(45,226,197,.34);
  background:rgba(13,28,48,.74);
  box-shadow:0 0 0 1px rgba(45,226,197,.12), 0 16px 40px rgba(0,0,0,.36);
}
.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:20px 0;
  font-size:16.5px;
  font-weight:600;
  line-height:1.6;
  color:#eaf2ff;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";
  flex:none;
  width:11px;height:11px;
  margin-top:8px;
  border-right:2px solid var(--cyan);
  border-bottom:2px solid var(--cyan);
  transform:rotate(45deg);
  transition:transform .26s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .answer{
  padding:0 0 22px;
  font-size:14.8px;
  color:var(--muted);
  line-height:1.9;
  max-width:96%;
}

/* ============ CTA 表单 ============ */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  padding:44px;
  background-image:
    linear-gradient(120deg, rgba(5,10,18,.95) 0%, rgba(6,14,26,.88) 52%, rgba(6,14,26,.72) 100%),
    url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
}
.cta-grid{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:46px;
  align-items:start;
}
.cta-intro h2{font-size:clamp(23px,2.5vw,30px);margin-bottom:14px}
.cta-intro p{color:#c3d4e6;font-size:15.5px;line-height:1.9;margin-bottom:22px}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-bottom:26px}
.cta-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:14.5px;
  color:#cfdeee;
}
.cta-points li::before{
  content:"";
  flex:none;
  width:8px;height:8px;
  margin-top:10px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(45,226,197,.7);
}
.cta-note{
  font-size:13px;
  color:var(--muted);
  padding:14px 16px;
  border-radius:14px;
  background:rgba(6,14,26,.55);
  border:1px dashed rgba(120,220,255,.22);
  line-height:1.8;
}
.form-panel{
  padding:32px;
  border-radius:var(--r-panel);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow-soft);
}
.form-panel__title{font-size:19px;margin-bottom:6px}
.form-panel__desc{font-size:13.5px;color:var(--muted);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:13.5px;color:#c3d4e6;font-weight:500}
.field label .req{color:var(--err);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:var(--r-input);
  background:rgba(5,12,22,.78);
  border:1px solid rgba(120,220,255,.18);
  color:var(--text);
  font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:rgba(159,179,200,.62)}
.field input:hover,.field textarea:hover,.field select:hover{border-color:var(--line-strong)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(45,226,197,.16);
  background:rgba(5,12,22,.94);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9FB3C8 50%),linear-gradient(135deg,#9FB3C8 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:38px}
.field .hint{font-size:12.5px;color:var(--muted)}
.field .error{font-size:13px;color:var(--err);display:none}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,92,122,.14)}
.field.has-error .error{display:block}
.checkbox{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:13.5px;
  color:var(--muted);
  line-height:1.75;
  cursor:pointer;
}
.checkbox input{
  width:18px;height:18px;
  flex:none;
  margin-top:3px;
  accent-color:var(--cyan);
  min-height:auto;
  padding:0;
}
.form-alert{
  display:none;
  margin-bottom:18px;
  padding:12px 16px;
  border-radius:12px;
  font-size:13.5px;
  line-height:1.7;
}
.form-alert--ok{display:block;color:#b6f4d4;background:rgba(43,214,123,.12);border:1px solid rgba(43,214,123,.34)}
.form-alert--err{display:block;color:#ffc4d0;background:rgba(255,92,122,.12);border:1px solid rgba(255,92,122,.34)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:auto;
  padding:56px 0 26px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(6,13,24,.5), rgba(4,9,16,.92));
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:38px;
  padding-bottom:38px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{
  width:42px;height:42px;
  flex:none;
  border-radius:13px;
  display:grid;place-items:center;
  font-size:20px;
  font-weight:700;
  color:#04121a;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-deep));
  box-shadow:0 10px 26px rgba(45,226,197,.24);
}
.brand__text{
  display:flex;
  flex-direction:column;
  font-size:16px;
  font-weight:700;
  line-height:1.3;
}
.brand__text small{
  font-size:12px;
  font-weight:400;
  color:var(--muted);
  margin-top:3px;
  letter-spacing:.4px;
}
.foot-brand p{
  margin-top:18px;
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
  max-width:360px;
}
.foot-col h4{
  font-size:14.5px;
  margin-bottom:16px;
  color:#fff;
  letter-spacing:.4px;
}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col li{font-size:13.8px;color:var(--muted);line-height:1.75}
.foot-col a{color:var(--muted)}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding-top:22px;
  border-top:1px solid rgba(120,220,255,.10);
  font-size:13px;
  color:rgba(159,179,200,.82);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--side:88px}
  .sidebar{padding:22px 12px;align-items:center}
  .logo{justify-content:center;padding:6px 0}
  .logo__text{display:none}
  .nav{width:100%;align-items:center}
  .nav__item{justify-content:center;padding:12px 0;width:100%}
  .nav__text{display:none}
  .sidebar__foot p{display:none}
  .sidebar__foot .btn{padding:0 10px;font-size:13px}
  .hero{padding:48px 36px;gap:32px}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .step:nth-child(3)::after{display:none}
}
@media (max-width:1023px){
  .sidebar{
    width:280px;
    padding:24px 18px;
    align-items:stretch;
    transform:translateX(-104%);
    transition:transform .28s ease;
    box-shadow:0 24px 60px rgba(0,0,0,.6);
  }
  .sidebar.is-open{transform:translateX(0)}
  .logo{justify-content:flex-start;padding:6px 8px}
  .logo__text{display:flex}
  .nav__item{justify-content:flex-start;padding:12px 14px}
  .nav__text{display:block}
  .sidebar__foot p{display:block}
  .page{margin-left:0}
  .topbar{display:flex}
  .hero{grid-template-columns:1fr;padding:40px 28px;gap:28px}
  .hero__actions{margin-top:26px}
  .split{grid-template-columns:1fr;gap:26px;padding:26px 0}
  .split--rev .split__media{order:0}
  .insight{grid-template-columns:1fr;gap:26px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-panel{padding:34px 26px}
  .faq{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero-wrap{padding:22px 0 4px}
  .hero{padding:32px 20px;border-radius:22px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero__sub{font-size:15.5px}
  .hero__actions .btn{width:100%}
  .steps{grid-template-columns:1fr;gap:14px}
  .step::after{display:none}
  .panel{padding:24px 20px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .metric__num{font-size:28px}
  .form-panel{padding:24px 20px}
  .form-grid{grid-template-columns:1fr}
  .cta-panel{padding:28px 20px;border-radius:22px}
  .faq summary{font-size:15.5px;padding:18px 0}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;font-size:12.5px}
  .section{padding:46px 0}
  .section__head{margin-bottom:28px}
  .split__media img{aspect-ratio:16/11}
}
@media (max-width:480px){
  body{font-size:15.5px}
  .topbar{height:56px;padding:0 12px}
  .topbar__brand{font-size:15px}
  .badge{font-size:12px;padding:5px 12px}
  .metric__num{font-size:25px}
  .split__media img{aspect-ratio:4/3}
  .checklist li{font-size:13.8px;padding:12px 14px}
}

/* roulang page: category1 */
:root{
  --bg:#050A12;
  --surface:#07111F;
  --surface-2:#0A1830;
  --glass:rgba(13,28,48,.62);
  --glass-strong:rgba(13,28,48,.82);
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.34);
  --accent:#2DE2C5;
  --accent-2:#7C5CFF;
  --amber:#F2B84B;
  --text:#EAF2FF;
  --muted:#9FB3C8;
  --ok:#2BD67B;
  --err:#FF5C7A;
  --radius-card:20px;
  --radius-panel:28px;
  --radius-btn:12px;
  --radius-input:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-soft:0 12px 32px rgba(0,0,0,.34);
  --glow-accent:0 10px 26px rgba(45,226,197,.26);
  --sidebar-w:248px;
  --topbar-h:60px;
  --gap:24px;
}

*,*::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","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(900px 620px at 12% -12%,rgba(45,226,197,.10),transparent 62%),
    radial-gradient(820px 520px at 92% 4%,rgba(124,92,255,.12),transparent 64%),
    linear-gradient(rgba(120,220,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,220,255,.045) 1px,transparent 1px);
  background-size:100% 100%,100% 100%,52px 52px,52px 52px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(45,226,197,.3);color:#fff}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 28px}

/* ============ 布局骨架 ============ */
.shell{display:flex;min-height:100vh;position:relative;z-index:1}
.shell__main{flex:1;min-width:0;display:flex;flex-direction:column}

/* ============ 侧栏导航 ============ */
.sidebar{
  width:var(--sidebar-w);
  flex:0 0 var(--sidebar-w);
  position:sticky;
  top:0;
  height:100vh;
  display:flex;
  flex-direction:column;
  gap:24px;
  padding:26px 18px 22px;
  background:linear-gradient(180deg,rgba(13,28,48,.74),rgba(7,17,31,.92));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:12px;padding:4px 6px;border-radius:14px}
.brand__mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,rgba(45,226,197,.9),rgba(124,92,255,.85));
  color:#04140f;
  font-weight:800;
  font-size:20px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 24px rgba(45,226,197,.24);
}
.brand__text{display:flex;flex-direction:column;font-size:16px;font-weight:700;line-height:1.3}
.brand__text small{font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.4px}

.nav{display:flex;flex-direction:column;gap:6px}
.nav__item{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;
  border-radius:12px;
  border-left:3px solid transparent;
  color:var(--muted);
  font-size:15px;
  transition:background .22s,color .22s,border-color .22s,transform .22s;
}
.nav__item:hover{background:rgba(45,226,197,.08);color:var(--text);transform:translateX(2px)}
.nav__item.is-active{
  border-left-color:var(--accent);
  color:var(--text);
  background:linear-gradient(90deg,rgba(45,226,197,.15),rgba(45,226,197,.02));
  font-weight:600;
}
.nav__icon{width:20px;height:20px;flex:0 0 20px;display:block;color:inherit}
.nav__icon svg{width:20px;height:20px;display:block}
.nav__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.sidebar__cta{
  margin-top:auto;
  padding:18px;
  border-radius:18px;
  background:var(--glass);
  border:1px solid var(--line);
}
.sidebar__cta p{font-size:13px;color:var(--muted);margin-bottom:12px;line-height:1.6}
.sidebar__cta .btn{width:100%}

/* ============ 顶部栏（移动端） ============ */
.topbar{
  display:none;
  position:sticky;top:0;z-index:50;
  height:var(--topbar-h);
  align-items:center;justify-content:space-between;
  padding:0 18px;
  background:rgba(7,17,31,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.brand--compact .brand__mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:17px}
.brand--compact .brand__text{font-size:15px}
.menu-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(13,28,48,.7);
  border:1px solid var(--line);
  color:var(--text);
  cursor:pointer;
  transition:border-color .22s,background .22s;
}
.menu-btn:hover{border-color:var(--accent);background:rgba(45,226,197,.1)}
.menu-btn svg{width:20px;height:20px}
.drawer-mask{
  display:none;
  position:fixed;inset:0;z-index:55;
  background:rgba(3,7,14,.66);
  backdrop-filter:blur(2px);
}
.drawer-mask.is-open{display:block}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s,box-shadow .22s,background .22s,border-color .22s,filter .22s,color .22s;
}
.btn--primary{
  background:linear-gradient(135deg,#2DE2C5,#1ab99f);
  color:#04140f;
  box-shadow:var(--glow-accent);
}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.07)}
.btn--primary:active{transform:translateY(0) scale(.98)}
.btn--ghost{
  background:rgba(13,28,48,.6);
  border-color:var(--line);
  color:var(--text);
}
.btn--ghost:hover{border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0) scale(.98)}
.btn--sm{height:40px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ============ 通用元素 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(45,226,197,.08);
  color:var(--accent);
  font-size:13px;
  letter-spacing:.6px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}

.section{padding:72px 0}
.section--tight{padding:56px 0}
.section__head{max-width:820px;margin-bottom:38px}
.section__head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.section__head p{color:var(--muted);font-size:15px}
.section__head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}

.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);padding-top:22px}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:var(--text)}

.card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:transform .25s,border-color .25s,box-shadow .25s;
  overflow:hidden;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 22px 48px rgba(0,0,0,.48),0 0 0 1px rgba(45,226,197,.18);
}
.card__label{font-size:13px;color:var(--accent);letter-spacing:.5px;margin-bottom:10px;font-weight:600}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(120,220,255,.07);
  color:var(--muted);
  font-size:12.5px;
  line-height:1.6;
}
.tag--accent{border-color:rgba(45,226,197,.4);color:var(--accent);background:rgba(45,226,197,.1)}
.tag--violet{border-color:rgba(124,92,255,.42);color:#b8aaff;background:rgba(124,92,255,.12)}
.tag--amber{border-color:rgba(242,184,75,.42);color:var(--amber);background:rgba(242,184,75,.12)}

.num{font-variant-numeric:tabular-nums}

/* ============ HERO ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:76px 0 66px;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(700px 420px at 78% 12%,rgba(45,226,197,.16),transparent 62%),
    linear-gradient(180deg,rgba(5,10,18,.74),rgba(5,10,18,.9) 62%,var(--bg) 100%);
}
.hero .container{position:relative;z-index:2}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:center}
.hero h1{font-size:clamp(30px,4.4vw,50px);margin:20px 0 18px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero__sub{color:#C9D9EC;font-size:16.5px;max-width:640px;line-height:1.85}
.hero__actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero__note{margin-top:20px;font-size:13px;color:var(--muted)}

.hero__panel{display:flex;flex-direction:column;gap:16px}
.score-card{
  padding:24px;
  border-radius:var(--radius-card);
  background:var(--glass-strong);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.score-card__top{display:flex;align-items:baseline;gap:10px}
.score-card__value{font-size:44px;font-weight:800;color:var(--accent);line-height:1}
.score-card__unit{font-size:14px;color:var(--muted)}
.score-card__title{font-size:14px;color:var(--muted);margin-bottom:12px}
.score-card__desc{font-size:13.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mini-card{
  padding:18px;
  border-radius:16px;
  background:var(--glass);
  border:1px solid var(--line);
}
.mini-card__v{font-size:24px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums}
.mini-card__k{font-size:12.5px;color:var(--muted);margin-top:4px}

/* ============ 指标带 ============ */
.metrics{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.metric{
  padding:20px 18px;
  border-radius:16px;
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.metric:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 14px 32px rgba(0,0,0,.4)}
.metric__idx{font-size:12px;color:var(--accent);letter-spacing:1px;font-variant-numeric:tabular-nums}
.metric__v{font-size:26px;font-weight:700;margin:8px 0 4px;font-variant-numeric:tabular-nums;white-space:nowrap}
.metric__v small{font-size:14px;font-weight:600;color:var(--muted);margin-left:2px}
.metric__k{font-size:13px;color:var(--muted)}
.metric__trend{
  display:inline-block;margin-top:10px;
  font-size:12px;padding:2px 8px;border-radius:999px;
  background:rgba(43,214,123,.14);color:var(--ok);border:1px solid rgba(43,214,123,.3);
}
.metric__trend--flat{background:rgba(242,184,75,.13);color:var(--amber);border-color:rgba(242,184,75,.3)}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.bento__item{grid-column:span 4;display:flex;flex-direction:column;gap:14px}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.span-4{grid-column:span 4}
.span-3{grid-column:span 3}
.bento__media{
  border-radius:14px;overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/9;
  background:var(--surface-2);
}
.bento__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .bento__media img{transform:scale(1.04)}
.bento__list{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.bento__list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--muted);
}
.bento__list li::before{
  content:"";width:6px;height:6px;flex:0 0 6px;margin-top:9px;
  border-radius:50%;background:var(--accent);box-shadow:0 0 8px rgba(45,226,197,.7);
}
.bento__stat{display:flex;align-items:baseline;gap:8px;margin-top:10px}
.bento__stat b{font-size:30px;color:var(--accent);font-variant-numeric:tabular-nums}
.bento__stat span{font-size:13px;color:var(--muted)}

/* ============ 对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.compare__col{
  padding:28px;
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,28,48,.72),rgba(7,17,31,.9));
  box-shadow:var(--shadow-soft);
}
.compare__col--alt{background:linear-gradient(160deg,rgba(124,92,255,.16),rgba(7,17,31,.9))}
.compare__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.compare__head h3{font-size:19px}
.rows{display:flex;flex-direction:column;gap:20px}
.row__top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:14px;margin-bottom:8px}
.row__top b{font-variant-numeric:tabular-nums;font-weight:700}
.bar{height:8px;border-radius:999px;background:rgba(120,220,255,.1);overflow:hidden}
.bar__fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#2DE2C5,#7ff3dd);transition:width .8s ease}
.bar__fill--violet{background:linear-gradient(90deg,#7C5CFF,#b3a6ff)}
.bar__fill--amber{background:linear-gradient(90deg,#F2B84B,#ffd68a)}
.diff-note{
  margin-top:24px;padding:16px 18px;border-radius:14px;
  border:1px dashed var(--line-strong);
  font-size:13.5px;color:var(--muted);line-height:1.75;
}
.diff-note b{color:var(--amber)}

/* ============ 记录卡 ============ */
.records{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:var(--gap)}
.record{display:flex;flex-direction:column;padding:0;overflow:hidden}
.record__media{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.record__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.record:hover .record__media img{transform:scale(1.05)}
.record__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.record__meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted)}
.record__body h3{font-size:17px;line-height:1.5}
.record__body p{color:var(--muted);font-size:14px;flex:1}
.record__link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14px;font-weight:600}

/* ============ FAQ ============ */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.faq-item{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--glass);
  overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(13,28,48,.72)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  cursor:pointer;
  font-size:16.5px;
  font-weight:600;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq__sign{
  position:relative;width:22px;height:22px;flex:0 0 22px;
  border-radius:50%;border:1px solid var(--line-strong);
  transition:border-color .25s;
}
.faq__sign::before,
.faq__sign::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--accent);
  transform:translate(-50%,-50%);
  transition:transform .25s,opacity .25s;
}
.faq__sign::before{width:10px;height:2px}
.faq__sign::after{width:2px;height:10px}
.faq-item[open] .faq__sign{border-color:var(--accent)}
.faq-item[open] .faq__sign::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-item__body{padding:0 20px 20px;color:var(--muted);font-size:15px;line-height:1.85}

/* ============ CTA 表单 ============ */
.cta-wrap{
  position:relative;
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background-image:linear-gradient(rgba(5,10,18,.86),rgba(5,10,18,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;padding:44px}
.cta-inner h2{font-size:clamp(23px,2.8vw,31px);margin-bottom:16px}
.cta-inner > div > p{color:#C9D9EC;font-size:15.5px;line-height:1.85}
.cta-list{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted)}
.cta-list li::before{
  content:"";width:6px;height:6px;flex:0 0 6px;margin-top:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 8px rgba(45,226,197,.7);
}

.form-panel{
  padding:28px;
  border-radius:22px;
  background:var(--glass-strong);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.form-status{
  display:none;
  margin-bottom:16px;padding:12px 14px;
  border-radius:12px;
  font-size:13.5px;
  background:rgba(43,214,123,.13);
  border:1px solid rgba(43,214,123,.34);
  color:#8ff0bd;
}
.form-status.is-visible{display:block}
.form-status--err{background:rgba(255,92,122,.13);border-color:rgba(255,92,122,.38);color:#ffb3c1}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-size:13.5px;color:var(--muted)}
.field label em{font-style:normal;color:var(--err);margin-left:4px}
.field input,
.field select,
.field textarea{
  height:48px;
  padding:0 14px;
  border-radius:var(--radius-input);
  background:rgba(5,10,18,.72);
  border:1px solid var(--line);
  color:var(--text);
  font-size:14.5px;
  transition:border-color .22s,box-shadow .22s,background .22s;
  width:100%;
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:96px;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input::placeholder,
.field textarea::placeholder{color:rgba(159,179,200,.6)}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(45,226,197,.16);
  background:rgba(5,10,18,.9);
}
.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,92,122,.14)}
.hint{font-size:13px;color:var(--muted);line-height:1.6}
.hint--err{color:var(--err)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7}
.check input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--accent)}
.form-panel .btn{width:100%;margin-top:4px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:auto;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,17,31,.6),rgba(5,10,18,.95));
  padding:56px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-brand .brand{padding:0;margin-bottom:16px}
.foot-brand p{color:var(--muted);font-size:14px;line-height:1.85;max-width:340px}
.foot-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:14px;color:var(--muted)}
.foot-col a{color:var(--muted);transition:color .2s}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .metrics{grid-template-columns:repeat(3,1fr)}
  .records{grid-template-columns:1fr 1fr}
  .record:first-child{grid-column:1/-1;flex-direction:row}
  .record:first-child .record__media{width:44%;aspect-ratio:auto;border-bottom:none;border-right:1px solid var(--line)}
  .record:first-child .record__body{padding:28px}
}

@media (min-width:1024px) and (max-width:1179px){
  :root{--sidebar-w:88px}
  .sidebar{padding:22px 12px;align-items:center}
  .sidebar .brand__text{display:none}
  .sidebar .brand{padding:0;justify-content:center}
  .nav{width:100%}
  .nav__item{justify-content:center;padding:14px 8px;border-left-width:3px}
  .nav__text{display:none}
  .sidebar__cta{display:none}
}

@media (max-width:1023px){
  .sidebar{
    position:fixed;top:0;left:0;z-index:60;
    width:min(84vw,304px);
    flex-basis:auto;
    height:100vh;
    transform:translateX(-102%);
    transition:transform .3s ease;
    border-right:1px solid var(--line);
    box-shadow:0 20px 60px rgba(0,0,0,.6);
  }
  .sidebar.is-open{transform:translateX(0)}
  .topbar{display:flex}
  .hero__grid{grid-template-columns:1fr;gap:30px}
  .hero{padding:52px 0 46px}
  .bento__item{grid-column:span 6}
  .span-7,.span-5,.span-4,.span-3{grid-column:span 6}
  .compare{grid-template-columns:1fr}
  .faq{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:34px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
}

@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .hero{padding:40px 0 38px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero__sub{font-size:15.5px}
  .hero__actions{gap:10px}
  .hero__actions .btn{flex:1 1 auto}
  .metrics{grid-template-columns:1fr 1fr;gap:14px}
  .metric__v{font-size:22px}
  .bento{grid-template-columns:1fr;gap:18px}
  .bento__item,.span-7,.span-5,.span-4,.span-3{grid-column:span 1}
  .records{grid-template-columns:1fr}
  .record:first-child{flex-direction:column}
  .record:first-child .record__media{width:100%;aspect-ratio:16/9;border-right:none;border-bottom:1px solid var(--line)}
  .record:first-child .record__body{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .cta-inner{padding:26px 20px}
  .form-panel{padding:22px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;gap:8px}
  .section{padding:44px 0}
  .section__head{margin-bottom:28px}
  .mini-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:520px){
  .metrics{grid-template-columns:1fr}
  .hero__actions .btn{width:100%}
  .score-card__value{font-size:36px}
  .compare__col{padding:22px}
  .card{padding:22px}
  .breadcrumb{flex-wrap:wrap;font-size:12.5px}
}