/* ==========================================================================
   渡远 DUYUAN — duyuan.cc
   响应式单页站点样式（手机 / 平板 / PC）
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink:#191A1C;
  --ink-2:#26272B;
  --ink-3:#33353A;
  --body:#55575E;
  --muted:#8B8D95;
  --crimson:#9A1F2E;
  --crimson-2:#B32A3B;
  --crimson-deep:#6E1220;
  --gold:#B79B6A;
  --gold-soft:#E8C98C;
  --cream:#FAF7F3;
  --sand:#F1E9E0;
  --line:#E7DED4;
  --line-2:#EDE6DE;
  --white:#fff;

  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --shadow-xs:0 1px 2px rgba(25,26,28,.05), 0 6px 18px -12px rgba(25,26,28,.14);
  --shadow-sm:0 2px 6px rgba(25,26,28,.05), 0 14px 34px -20px rgba(25,26,28,.22);
  --shadow:0 26px 60px -30px rgba(25,26,28,.30);
  --wrap:1180px;
  --nav-h:68px;

  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --disp:"Optima","Times New Roman",Georgia,"Songti SC",serif;
}

/* ---------- 2. 基础重置 ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  /* 锚点定位偏移：导航是 fixed 的，会盖住内容，所以要留出它的高度。
     只在这里设一次。注意不要给 section[id] 再加 scroll-margin-top——
     scroll-padding-top 与 scroll-margin-top 会【相加】，两者都设会让
     偏移量翻倍，锚点落位后导航下面多出一大块空白。 */
  scroll-padding-top:var(--nav-h);
}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--white);
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{ margin:0 0 .5em; color:var(--ink); line-height:1.35; font-weight:700; letter-spacing:.01em; }
h1{ font-size:clamp(2rem,6.4vw,3.9rem); line-height:1.2; letter-spacing:-.01em; }
h2{ font-size:clamp(1.6rem,4.2vw,2.6rem); }
h3{ font-size:clamp(1.15rem,2.2vw,1.5rem); }
h4{ font-size:clamp(1.02rem,1.6vw,1.16rem); }
h5{ font-size:1.02rem; }
h6{ font-size:.95rem; }
p{ margin:0 0 1em; }
p:last-child{ margin-bottom:0; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
img,svg{ max-width:100%; display:block; }
button{ font:inherit; color:inherit; border:0; background:none; cursor:pointer; }
b,strong{ color:var(--ink); font-weight:600; }
i,em{ font-style:normal; }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 20px; }
.mt-16{ margin-top:16px; }
.mt-24{ margin-top:24px; }
.mt-32{ margin-top:32px; }
.muted{ color:var(--muted); font-size:.95rem; line-height:1.85; }
.muted-light{ color:rgba(255,255,255,.72); }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:999;
  background:var(--crimson); color:#fff; padding:10px 16px; border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{ left:0; }

:focus-visible{ outline:2px solid var(--crimson); outline-offset:3px; border-radius:4px; }

/* ---------- 3. 通用按钮 ---------- */
.btn{
  --bh:48px;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:var(--bh); padding:0 24px;
  border-radius:999px;
  font-size:.95rem; font-weight:600; letter-spacing:.02em;
  white-space:nowrap;
  transition:transform .25s cubic-bezier(.2,.7,.3,1), background .25s, color .25s, box-shadow .25s, border-color .25s;
  will-change:transform;
}
.btn:active{ transform:scale(.97); }
.btn--sm{ --bh:38px; padding:0 18px; font-size:.875rem; }
.btn--lg{ --bh:54px; padding:0 32px; font-size:1rem; }
.btn--block{ width:100%; }
.btn--primary{
  background:linear-gradient(135deg,var(--crimson-2),var(--crimson) 55%,var(--crimson-deep));
  color:#fff;
  box-shadow:0 14px 30px -14px rgba(154,31,46,.7);
}
.btn--primary:hover{ box-shadow:0 18px 38px -14px rgba(154,31,46,.85); transform:translateY(-2px); }
.btn--ghost{ background:rgba(255,255,255,.7); color:var(--ink); border:1px solid rgba(25,26,28,.14); backdrop-filter:blur(8px); }
.btn--ghost:hover{ background:#fff; border-color:rgba(25,26,28,.28); transform:translateY(-2px); }

/* ---------- 4. 顶部导航 ---------- */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100;
  height:var(--nav-h);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid transparent;
  transition:background .3s, border-color .3s, box-shadow .3s;
}
.nav.is-scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--line-2);
  box-shadow:0 8px 30px -22px rgba(25,26,28,.4);
}
.nav__inner{ height:100%; display:flex; align-items:center; gap:16px; }
.nav__progress{
  position:absolute; left:0; bottom:-1px; height:2px; width:0;
  background:linear-gradient(90deg,var(--crimson),var(--gold));
  transition:width .1s linear;
}

.brand{ display:flex; align-items:center; gap:10px; margin-right:auto; min-width:0; }
.brand__mark{
  width:36px; height:36px; flex:0 0 36px; border-radius:11px;
  display:grid; place-items:center;
  background:linear-gradient(140deg,var(--crimson-2),var(--crimson-deep));
  color:#fff;
  box-shadow:0 10px 22px -12px rgba(154,31,46,.9);
}
.brand__mark svg{ width:24px; height:24px; }
.brand__mark--light{ background:linear-gradient(140deg,var(--crimson-2),var(--crimson-deep)); }
.brand__text{ display:flex; flex-direction:column; line-height:1; min-width:0; }
.brand__text strong{ font-size:1.1rem; letter-spacing:.14em; color:var(--ink); }
.brand__text em{ font-family:var(--disp); font-size:.58rem; letter-spacing:.34em; color:var(--muted); margin-top:3px; }

.nav__links{ display:flex; align-items:center; gap:2px; }
.nav__links a{
  position:relative; padding:8px 13px; border-radius:999px;
  font-size:.9rem; font-weight:500; color:var(--ink-3); white-space:nowrap;
  transition:color .2s, background .2s;
}
.nav__links a:hover{ color:var(--crimson); background:rgba(154,31,46,.06); }
.nav__links a.is-active{ color:var(--crimson); font-weight:600; }
.nav__actions{ display:flex; align-items:center; gap:10px; }

.nav-toggle{
  display:none; position:relative; width:42px; height:42px; border-radius:12px;
  border:1px solid var(--line); background:#fff; padding:0;
}
.nav-toggle span{
  position:absolute; left:50%; top:50%;
  width:18px; height:1.6px; border-radius:2px; background:var(--ink);
  transform:translate(-50%,-50%) translateY(var(--y,0));
  transition:transform .3s cubic-bezier(.2,.7,.3,1), opacity .2s;
}
.nav-toggle span:nth-child(1){ --y:-6px; }
.nav-toggle span:nth-child(2){ --y:0; }
.nav-toggle span:nth-child(3){ --y:6px; }
.nav-toggle.is-open span:nth-child(1){ transform:translate(-50%,-50%) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; transform:translate(-50%,-50%) scaleX(.2); }
.nav-toggle.is-open span:nth-child(3){ transform:translate(-50%,-50%) rotate(-45deg); }

/* 移动端抽屉 */
.drawer[hidden]{ display:none !important; }
.drawer{
  position:fixed; inset:var(--nav-h) 0 0 0; z-index:99;
  background:rgba(250,247,243,.98);
  backdrop-filter:blur(20px);
  padding:20px 20px 28px;
  display:flex; flex-direction:column; justify-content:space-between;
  overflow-y:auto;
  animation:drawerIn .28s ease both;
}
@keyframes drawerIn{ from{ opacity:0; transform:translateY(-8px);} to{ opacity:1; transform:none;} }
.drawer__nav{ display:flex; flex-direction:column; }
.drawer__nav a{
  display:flex; align-items:center; gap:14px;
  padding:17px 4px; font-size:1.06rem; font-weight:600; color:var(--ink);
  border-bottom:1px solid var(--line-2);
}
.drawer__nav a span{
  font-family:var(--disp); font-size:.8rem; color:var(--crimson); letter-spacing:.08em; min-width:22px;
}
.drawer__foot{ margin-top:26px; }
.drawer__wx{ text-align:center; font-size:.84rem; color:var(--muted); margin:14px 0 0; }
.drawer__wx b{ color:var(--crimson); letter-spacing:.06em; }

/* ---------- 5. HERO ---------- */
.hero{
  position:relative; isolation:isolate; overflow:hidden;
  padding:calc(var(--nav-h) + 54px) 0 0;
  background:
    radial-gradient(1100px 620px at 78% -12%, rgba(154,31,46,.13), transparent 62%),
    radial-gradient(760px 520px at 8% 8%, rgba(183,155,106,.16), transparent 66%),
    linear-gradient(180deg,#FDFBF8 0%, var(--cream) 52%, #F5F0EA 100%);
}
.hero__bg{ position:absolute; inset:0; z-index:-1; pointer-events:none; }
.hero__glow{
  position:absolute; right:-8%; top:6%; width:min(620px,72vw); aspect-ratio:1;
  border-radius:50%;
  background:radial-gradient(circle at 38% 38%, rgba(154,31,46,.20), rgba(154,31,46,.05) 46%, transparent 68%);
  filter:blur(6px);
}
.hero__skyline{
  position:absolute; left:0; right:0; bottom:0; width:100%; height:min(46vh,420px);
  opacity:.9;
}
.hero__inner{ position:relative; padding-bottom:clamp(40px,7vw,72px); }
.hero__eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:.78rem; letter-spacing:.2em; color:var(--crimson); font-weight:600;
  text-transform:uppercase;
  padding:7px 16px; border-radius:999px;
  background:rgba(154,31,46,.07); border:1px solid rgba(154,31,46,.16);
  margin:0 0 22px;
}
.hero__eyebrow::before{ content:""; width:16px; height:1px; background:var(--crimson); }
.hero__title{ max-width:16em; margin-bottom:.5em; }
.hero__sub{
  max-width:34em; font-size:clamp(1rem,1.6vw,1.14rem); color:var(--body);
  line-height:1.9; margin-bottom:32px;
}
.hero__sub b{ color:var(--ink); font-weight:600; }
.hero__btns{ display:flex; flex-wrap:wrap; gap:12px; margin-bottom:20px; }
.hero__note{ font-size:.83rem; color:var(--muted); letter-spacing:.02em; }
.hero__note b{ color:var(--crimson); letter-spacing:.06em; }

.stats{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px; margin-top:clamp(34px,5vw,54px);
  background:var(--line); border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden;
  backdrop-filter:blur(6px);
}
.stat{ background:rgba(255,255,255,.86); padding:22px 18px; text-align:center; }
.stat b{
  display:block; font-family:var(--disp); font-weight:600;
  font-size:clamp(1.5rem,3.4vw,2.1rem); color:var(--crimson); letter-spacing:-.01em;
  font-variant-numeric:tabular-nums;
}
.stat span{ display:block; font-size:.78rem; color:var(--muted); letter-spacing:.06em; margin-top:4px; }
.hero__fade{ height:1px; background:linear-gradient(90deg,transparent,var(--line),transparent); }

/* ---------- 6. 区块骨架 ---------- */
.sec{ position:relative; padding:clamp(60px,8.5vw,116px) 0; }
.sec--cream{ background:var(--cream); }
.sec--cream + .sec--cream{ border-top:1px solid var(--line-2); }
.sec--dark{
  background:
    radial-gradient(900px 520px at 84% 0%, rgba(154,31,46,.30), transparent 60%),
    linear-gradient(180deg,#1E1F23,#141518);
  color:rgba(255,255,255,.72);
}
.sec--dark h2,.sec--dark h3,.sec--dark h4,.sec--dark h5,.sec--dark h6,
.sec--dark b,.sec--dark strong{ color:#fff; }
.sec--dark .sec__lead{ color:rgba(255,255,255,.7); }

.sec__head{ max-width:820px; margin-bottom:clamp(28px,4vw,46px); }
.sec__title{ margin-bottom:.35em; }
.sec__lead{ font-size:clamp(.98rem,1.5vw,1.08rem); color:var(--body); line-height:1.92; }

.eyebrow{
  display:flex; align-items:center; gap:10px;
  font-family:var(--disp); font-size:.76rem; letter-spacing:.28em;
  color:var(--muted); text-transform:uppercase; margin:0 0 14px;
}
.eyebrow i{
  font-family:var(--disp); font-size:1.5rem; letter-spacing:0; color:var(--crimson);
  line-height:1; font-weight:600;
}
.eyebrow::after{ content:""; flex:1; height:1px; max-width:120px; background:var(--line); }
.eyebrow--light{ color:rgba(255,255,255,.55); justify-content:center; }
.eyebrow--light i{ color:var(--gold-soft); }
.eyebrow--light::after{ display:none; }

/* 锚点偏移统一由 html 的 scroll-padding-top 负责（见文件顶部的说明）。
   此处曾设 scroll-margin-top，与 scroll-padding-top 叠加导致偏移翻倍，
   锚点落位后导航下方空出约 96px，故移除。勿再添加。 */

.sub__title{
  display:flex; flex-wrap:wrap; align-items:baseline; gap:8px 16px;
  margin:clamp(44px,6vw,72px) 0 24px;
  padding-bottom:16px; border-bottom:1px solid var(--line);
  font-size:clamp(1.15rem,2.4vw,1.5rem);
}
.sec--dark .sub__title{ border-bottom-color:rgba(255,255,255,.14); }
.sub__title span{
  font-size:.85rem; font-weight:400; color:var(--muted); letter-spacing:.02em;
}
.sec--dark .sub__title span{ color:rgba(255,255,255,.55); }
.sub__title--tight{ margin-top:0; border-bottom:0; padding-bottom:0; }

/* ---------- 7. 栅格与卡片 ---------- */
.grid{ display:grid; gap:16px; }
.grid--2{ grid-template-columns:repeat(2,1fr); }
.grid--3{ grid-template-columns:repeat(3,1fr); }
.grid--4{ grid-template-columns:repeat(4,1fr); }
.grid + .grid{ margin-top:16px; }

.card{
  position:relative;
  background:#fff; border:1px solid var(--line-2); border-radius:var(--r);
  padding:26px 24px;
  transition:transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s, border-color .35s;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-sm); border-color:var(--line); }
.card h3,.card h4{ margin-bottom:.5em; }
.card p{ font-size:.9rem; line-height:1.85; color:var(--body); margin:0; }
.card--ph{ padding-top:30px; }
.card--ph .card__no{
  display:block; font-family:var(--disp); font-size:1rem; letter-spacing:.16em;
  color:var(--crimson); margin-bottom:12px;
}
.card--accent{ border-top:2px solid var(--crimson); }
.card--accent h4{ color:var(--crimson); }
.card--flat{ background:var(--cream); border-color:transparent; }
.sec--cream .card--flat{ background:rgba(255,255,255,.78); }
.card--flat:hover{ background:#fff; }
.card h3,.card h4,.plan h4,.story h4,.panel__title,.pane h4{ text-wrap:balance; }
.card--tiny{ padding:20px; }
.card--num{ padding-top:24px; }
.card--num > span{
  position:absolute; top:16px; right:20px;
  font-family:var(--disp); font-size:1.5rem; font-weight:600;
  color:rgba(154,31,46,.16); line-height:1;
}
.card--num h4{ padding-right:44px; }

.values{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:16px; margin-top:16px;
  padding:26px 24px; border-radius:var(--r);
  background:linear-gradient(135deg,var(--crimson-deep),#43111A);
  color:rgba(255,255,255,.76);
}
.values__item b{
  display:block; font-family:var(--disp); font-size:clamp(1.35rem,2.6vw,1.8rem);
  color:#fff; letter-spacing:-.01em;
}
.values__item span{ display:block; font-size:.8rem; line-height:1.6; margin-top:6px; color:rgba(255,255,255,.68); }

/* 列表类 */
.ticks{ margin:0 0 4px; }
.ticks li{
  position:relative; padding-left:26px; margin-bottom:12px;
  font-size:.94rem; line-height:1.85; color:var(--body);
}
.ticks li::before{
  content:""; position:absolute; left:2px; top:.72em;
  width:9px; height:9px; border-radius:2px; transform:rotate(45deg);
  background:linear-gradient(135deg,var(--crimson-2),var(--crimson));
}
.ticks--sm li{ font-size:.89rem; padding-left:22px; margin-bottom:9px; }
.ticks--sm li::before{ width:7px; height:7px; }
.ticks--2col{ column-count:2; column-gap:24px; }
.sec--dark .ticks li{ color:rgba(255,255,255,.72); }
.sec--dark .ticks li::before{ background:var(--gold); }

.notes{ counter-reset:n; margin-top:26px; }
.notes li{
  position:relative; padding-left:34px; margin-bottom:10px;
  font-size:.9rem; line-height:1.85; color:var(--body); counter-increment:n;
}
.notes li::before{
  content:counter(n) "."; position:absolute; left:0; top:0;
  color:var(--crimson); font-weight:600; font-size:.85rem;
}

.adv{ margin:0; }
.adv > li{
  padding:15px 0; border-bottom:1px dashed var(--line);
  font-size:.92rem; line-height:1.85; color:var(--body);
}
.adv > li:last-child{ border-bottom:0; }
.adv > li > b{ display:block; color:var(--ink); font-size:.96rem; margin-bottom:3px; }
.sec--dark .adv > li{ border-bottom-color:rgba(255,255,255,.12); color:rgba(255,255,255,.72); }
.sec--dark .adv > li > b{ color:#fff; }
.adv--num{ counter-reset:a; }
.adv--num > li{ padding-left:0; }
.adv--num > li > b::before{
  content:""; display:inline-block; width:6px; height:6px; margin-right:10px;
  border-radius:2px; transform:rotate(45deg) translateY(-2px); background:var(--crimson);
}

/* 面板 */
.panel{
  background:#fff; border:1px solid var(--line-2); border-radius:var(--r);
  padding:28px 26px;
}
.panel--sand{ background:var(--sand); border-color:transparent; }
.panel--dark{
  background:linear-gradient(140deg,#2A2B30,#16171A);
  border-color:transparent; color:rgba(255,255,255,.74);
  display:flex; flex-direction:column; justify-content:center;
}
.panel--dark .panel__big{ color:#fff; }
.panel--dark .panel__sub{ color:rgba(255,255,255,.62); }
.panel__title{ margin-bottom:16px; font-size:1.05rem; }
.panel__title--center{ text-align:center; margin-bottom:20px; }
.panel__big{
  font-size:clamp(1.2rem,2.6vw,1.6rem); font-weight:700; color:var(--ink);
  line-height:1.5; margin-bottom:10px; letter-spacing:.01em;
}
.panel__sub{ font-size:.88rem; color:var(--muted); margin:0; }
.panel__center{ text-align:center; font-size:1rem; color:var(--ink); margin:0; }
.panel__note{ font-size:.78rem; color:var(--muted); margin:14px 0 0; }

/* 标签组 */
.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chips--center{ justify-content:center; }
.chip{
  display:inline-block; padding:7px 14px; border-radius:999px;
  background:var(--cream); border:1px solid var(--line-2);
  font-size:.82rem; color:var(--ink-3); line-height:1.5;
  transition:background .2s, border-color .2s, color .2s;
}
.chip:hover{ background:#fff; border-color:var(--line); color:var(--crimson); }
.chip--solid{ background:#fff; border-color:transparent; box-shadow:var(--shadow-xs); }

/* ---------- 8. QS 排名对比 ---------- */
.qs{
  margin-top:16px; padding:clamp(24px,3.4vw,38px);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,#fff,var(--cream));
  border:1px solid var(--line-2);
}
.qs__head{ margin-bottom:24px; }
.qs__src{ font-size:.8rem; color:var(--muted); margin:0; }
.qs__grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(20px,3vw,44px); }
.qs__col{ min-width:0; }
.qs__label{
  font-size:.82rem; letter-spacing:.1em; color:var(--muted);
  padding-bottom:10px; margin-bottom:14px; border-bottom:1px solid var(--line-2);
}
.qs__list li{
  display:grid; grid-template-columns:66px 1fr;
  align-items:center; gap:12px;
  padding:9px 0;
}
.qs__list b{ font-size:.95rem; font-weight:600; color:var(--ink); grid-column:2; grid-row:1; }
.rank{
  display:inline-block; padding:3px 0; border-radius:6px; text-align:center;
  font-family:var(--disp); font-size:.74rem; font-weight:600; letter-spacing:.04em;
}
.rank--ink{ background:rgba(25,26,28,.07); color:var(--ink-3); }
.rank--red{ background:linear-gradient(135deg,var(--crimson-2),var(--crimson)); color:#fff; }
.qs .bar{
  grid-column:2; grid-row:2; display:block; height:4px; border-radius:3px;
  width:var(--w,50%);
  background:linear-gradient(90deg,rgba(25,26,28,.10),rgba(25,26,28,.03));
}
.qs__col--hk .bar{ background:linear-gradient(90deg,var(--crimson),rgba(154,31,46,.16)); }

/* ---------- 9. 陪跑计划 & 案例 ---------- */
.plan{
  position:relative; overflow:hidden;
  background:#fff; border:1px solid var(--line-2); border-radius:var(--r);
  padding:28px 26px;
  transition:transform .35s, box-shadow .35s, border-color .35s;
}
.plan:hover{ transform:translateY(-4px); box-shadow:var(--shadow-sm); border-color:rgba(154,31,46,.28); }
.plan__k{
  position:absolute; right:18px; top:8px;
  font-family:var(--disp); font-size:3.2rem; font-weight:600; line-height:1;
  color:rgba(154,31,46,.10);
}
.plan h4{ font-size:1.2rem; color:var(--crimson); margin-bottom:.4em; }
.plan__cond{ font-size:.86rem; color:var(--muted); margin:0; }

.case{
  background:#fff; border:1px solid var(--line-2); border-radius:var(--r);
  padding:26px 24px;
}
.case--sm{ padding:22px 20px; }
.case--sm p{ font-size:.88rem; line-height:1.85; }
.case__tag{
  display:inline-block; margin-bottom:12px;
  font-size:.76rem; font-weight:600; letter-spacing:.1em; color:var(--crimson);
  padding:5px 12px; border-radius:999px; background:rgba(154,31,46,.07);
}
.case h4{ font-size:1.05rem; margin-bottom:.6em; }
.case p{ font-size:.9rem; line-height:1.85; color:var(--body); }
.case__data{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  margin:20px 0; background:var(--line-2); border-radius:var(--r-sm); overflow:hidden;
}
.case__data > div{ background:var(--cream); padding:12px 14px; }
.case__data b{ display:block; font-size:.72rem; letter-spacing:.06em; color:var(--muted); font-weight:500; }
.case__data span{ display:block; font-size:.88rem; color:var(--ink); margin-top:3px; }
.case__metrics{
  display:grid; grid-template-columns:repeat(2,1fr); gap:10px; margin:18px 0;
}
.metric{
  padding:14px 16px; border-radius:var(--r-sm);
  background:linear-gradient(150deg,var(--cream),#fff); border:1px solid var(--line-2);
}
.metric b{ display:block; font-family:var(--disp); font-size:1.16rem; color:var(--ink); letter-spacing:-.01em; }
.metric span{ display:block; font-size:.74rem; color:var(--muted); margin-top:4px; line-height:1.5; }
.metric--red{ background:linear-gradient(150deg,rgba(154,31,46,.08),rgba(154,31,46,.02)); border-color:rgba(154,31,46,.2); }
.metric--red b{ color:var(--crimson); }
.case__foot{
  font-size:.82rem; color:var(--muted); border-left:2px solid var(--line);
  padding-left:14px; margin:0;
}

.story-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:16px; }
.story{
  border-radius:var(--r); padding:30px 28px;
  background:linear-gradient(150deg,var(--sand),var(--cream));
  border:1px solid var(--line-2);
}
.story--dark{
  background:linear-gradient(150deg,#2A2B30,#16171A);
  border-color:transparent; color:rgba(255,255,255,.74);
}
.story h4{ font-size:clamp(1.15rem,2.2vw,1.42rem); color:var(--crimson); margin-bottom:.5em; line-height:1.45; }
.story--dark h4{ color:var(--gold-soft); }
.story__sub{ font-size:.82rem; letter-spacing:.04em; color:var(--muted); margin-bottom:16px; }
.story--dark .story__sub{ color:rgba(255,255,255,.55); }
.story p{ font-size:.9rem; line-height:1.9; }
.story--dark p b{ color:#fff; }

/* ---------- 10. 十步流程 ---------- */
.steps{
  display:grid; grid-template-columns:repeat(5,1fr); gap:12px;
}
.steps li{
  position:relative;
  border:1px solid var(--line); border-radius:var(--r-sm);
  padding:20px 16px; text-align:center;
  background:#fff;
  transition:border-color .3s, transform .3s, box-shadow .3s;
}
.steps li:hover{ border-color:rgba(154,31,46,.35); transform:translateY(-3px); box-shadow:var(--shadow-xs); }
.steps b{
  display:block; font-family:var(--disp); font-size:1.3rem; color:var(--crimson);
  line-height:1; margin-bottom:12px; letter-spacing:.02em;
}
.steps span{ display:block; font-size:.85rem; color:var(--ink-3); line-height:1.5; }

/* ---------- 11. 手风琴 ---------- */
.acc{ border-top:1px solid var(--line-2); }
.acc__item{ border-bottom:1px solid var(--line-2); }
.acc__btn{
  display:flex; align-items:center; gap:16px; width:100%;
  padding:22px 4px; text-align:left;
  transition:padding-left .3s;
}
.acc__btn:hover{ padding-left:10px; }
.acc__no{
  font-family:var(--disp); font-size:1.05rem; color:var(--crimson);
  letter-spacing:.04em; flex:0 0 auto; min-width:26px;
}
.acc__t{ flex:1; display:flex; flex-direction:column; gap:3px; min-width:0; }
.acc__t b{ font-size:clamp(1rem,1.8vw,1.14rem); color:var(--ink); }
.acc__t i{ font-size:.83rem; color:var(--muted); }
.acc__ico{
  position:relative; flex:0 0 30px; width:30px; height:30px; border-radius:50%;
  border:1px solid var(--line); transition:background .3s, border-color .3s, transform .3s;
}
.acc__ico::before,.acc__ico::after{
  content:""; position:absolute; left:50%; top:50%; background:var(--ink-3);
  border-radius:2px; transition:background .3s, transform .3s;
}
.acc__ico::before{ width:11px; height:1.6px; transform:translate(-50%,-50%); }
.acc__ico::after{ width:1.6px; height:11px; transform:translate(-50%,-50%); }
.acc__btn[aria-expanded="true"] .acc__ico{ background:var(--crimson); border-color:var(--crimson); }
.acc__btn[aria-expanded="true"] .acc__ico::before,
.acc__btn[aria-expanded="true"] .acc__ico::after{ background:#fff; }
.acc__btn[aria-expanded="true"] .acc__ico::after{ transform:translate(-50%,-50%) scaleY(0); }
.acc__panel{
  overflow:hidden; max-height:0;
  transition:max-height .45s cubic-bezier(.3,.8,.3,1), opacity .35s, padding .35s;
  opacity:0; padding:0 4px;
}
.acc__item.is-open .acc__panel{ opacity:1; padding-bottom:28px; }
.acc__panel h5{ margin:22px 0 12px; font-size:.95rem; color:var(--crimson); }
.acc__panel > p{ font-size:.9rem; line-height:1.9; }

.kv{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px; margin:18px 0; }
.kv--stack{ grid-template-columns:1fr; }
.kv__row{
  display:flex; align-items:baseline; gap:14px;
  padding:14px 18px; border-radius:var(--r-sm);
  background:var(--cream); border:1px solid var(--line-2);
}
.kv__row b{
  font-family:var(--disp); font-size:1rem; color:var(--crimson); flex:0 0 auto;
}
.kv__row span{ font-size:.9rem; color:var(--ink-3); line-height:1.7; }
.kv__row span i{ display:block; font-size:.76rem; color:var(--muted); letter-spacing:.06em; }

/* ---------- 12. 横幅 ---------- */
.banner{
  display:grid; grid-template-columns:1.15fr 1fr; align-items:center; gap:20px;
  margin-top:16px; padding:30px 32px; border-radius:var(--r);
  background:linear-gradient(120deg,var(--crimson-deep),#54131E 60%,#2E0C13);
  color:rgba(255,255,255,.8);
}
.banner__eyebrow{ font-size:.76rem; letter-spacing:.2em; color:var(--gold-soft); margin:0 0 6px; }
.banner h3{ color:#fff; font-size:clamp(1.25rem,2.8vw,1.75rem); margin-bottom:.3em; }
.banner__l p:last-child{ font-size:.85rem; margin:0; }
.banner__r{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.banner__r span{
  padding:11px 14px; border-radius:var(--r-sm); text-align:center;
  font-size:.85rem; color:#fff;
  background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14);
}

/* ---------- 13. 引用 ---------- */
.quote{
  position:relative; margin:0 0 16px; padding:30px 32px 30px 44px;
  border-radius:var(--r);
  background:linear-gradient(150deg,#fff,var(--cream));
  border:1px solid var(--line-2);
}
.quote::before{
  content:"“"; position:absolute; left:18px; top:14px;
  font-family:var(--disp); font-size:3rem; line-height:1; color:rgba(154,31,46,.22);
}
.quote p{ font-size:.96rem; line-height:1.95; color:var(--ink-3); margin:0; }
.quote--sm{ padding:22px 24px 22px 34px; }
.quote--sm p{ font-size:.88rem; }
.quote cite{
  display:block; margin-top:12px; font-size:.8rem; color:var(--muted); letter-spacing:.02em;
}
.quotes{ display:flex; flex-direction:column; gap:14px; }
.sec--dark .quote{ background:rgba(255,255,255,.04); border-color:rgba(255,255,255,.12); }
.sec--dark .quote p{ color:rgba(255,255,255,.78); }

/* ---------- 14. Tabs ---------- */
.tabs{ margin-top:12px; }
.tabs__panes{ position:relative; }
.tabs__nav{
  display:flex; flex-wrap:wrap; gap:8px;
  padding-bottom:16px; margin-bottom:26px; border-bottom:1px solid var(--line-2);
}
.tab{
  padding:9px 20px; border-radius:999px;
  font-size:.9rem; font-weight:600; color:var(--ink-3);
  background:var(--cream); border:1px solid transparent;
  transition:background .25s, color .25s, border-color .25s, transform .25s;
}
.tab:hover{ transform:translateY(-2px); }
.tab.is-active{
  background:linear-gradient(135deg,var(--crimson-2),var(--crimson));
  color:#fff; box-shadow:0 12px 26px -14px rgba(154,31,46,.7);
}
.pane{ display:none; animation:fadeUp .4s ease both; }
.pane.is-active{ display:block; }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(10px); } to{ opacity:1; transform:none; } }

.country__head{ margin-bottom:18px; }
.country__head h4{ font-size:clamp(1.2rem,2.4vw,1.5rem); color:var(--crimson); margin-bottom:.25em; }
.country__head p{ font-size:.88rem; color:var(--muted); margin:0; }

.subcard{
  background:#fff; border:1px solid var(--line-2); border-radius:var(--r);
  padding:26px 24px;
}
.subcard--dark{
  background:linear-gradient(150deg,#2A2B30,#16171A);
  border-color:transparent; color:rgba(255,255,255,.76);
}
.subcard--dark h5,.subcard--dark h6,.subcard--dark b{ color:#fff; }
.subcard--dark .kv__row{ background:rgba(255,255,255,.05); border-color:rgba(255,255,255,.1); }
.subcard--dark .kv__row span{ color:rgba(255,255,255,.76); }
.subcard--dark .kv__row b{ color:var(--gold-soft); }
.subcard--dark .ticks li{ color:rgba(255,255,255,.76); }
.subcard h5{
  display:flex; flex-direction:column; gap:4px;
  font-size:1.06rem; color:var(--crimson); margin-bottom:.7em;
}
.subcard h5 i{ font-size:.8rem; color:var(--muted); font-weight:400; }
.subcard--dark h5{ color:var(--gold-soft); }
.subcard--dark h5 i{ color:rgba(255,255,255,.55); }
.subcard h6{ margin:20px 0 12px; font-size:.92rem; color:var(--ink); }
.subcard p{ font-size:.9rem; line-height:1.85; }
.tag-line{ font-size:.88rem; color:var(--ink-3); margin-bottom:6px; }

/* 时间轴（EB-5） */
.timeline{ margin:22px 0 8px; overflow-x:auto; padding-bottom:6px; -webkit-overflow-scrolling:touch; }
.timeline__row{ display:grid; grid-template-columns:repeat(5,minmax(190px,1fr)); gap:14px; min-width:1000px; }
.timeline__card{
  background:var(--cream); border:1px solid var(--line-2); border-radius:var(--r-sm);
  padding:18px; position:relative;
}
.timeline__card::after{
  content:""; position:absolute; left:20px; bottom:-8px; width:1px; height:8px; background:var(--line);
}
.timeline__card b{ display:block; font-size:.92rem; margin-bottom:8px; color:var(--crimson); }
.timeline__card p{ font-size:.82rem; line-height:1.75; color:var(--body); margin:0; }
.timeline__axis{
  display:grid; grid-template-columns:repeat(5,minmax(190px,1fr)); gap:14px; min-width:1000px;
  margin-top:6px; padding-top:14px; border-top:1px solid var(--line-2);
}
.timeline__axis span{
  text-align:center; font-family:var(--disp); font-size:.95rem; color:var(--crimson); font-weight:600;
}

/* ---------- 15. 交互匹配器 ---------- */
.matcher{
  margin-top:clamp(44px,6vw,72px);
  border-radius:var(--r-lg); overflow:hidden;
  background:linear-gradient(160deg,#fff,var(--cream));
  border:1px solid var(--line-2);
  padding:clamp(24px,3.6vw,42px);
}
.matcher--dark{
  background:
    radial-gradient(700px 420px at 88% 0%, rgba(154,31,46,.32), transparent 62%),
    linear-gradient(160deg,#232429,#141518);
  border-color:transparent;
}
.matcher--dark .matcher__body{ border-top-color:rgba(255,255,255,.14); }
.matcher--dark h4,.matcher--dark .sub__title span{ color:#fff; }
.matcher--dark .opt{ background:rgba(255,255,255,.05); border-color:rgba(255,255,255,.1); }
.matcher--dark .opt span{ color:rgba(255,255,255,.7); }
.matcher--dark .opt b{ color:rgba(255,255,255,.4); }
.matcher--dark .opt:hover{ background:rgba(255,255,255,.1); }
.matcher--dark .opt.is-active{ background:linear-gradient(135deg,var(--crimson-2),var(--crimson)); border-color:transparent; }
.matcher--dark .opt.is-active span{ color:#fff; }
.matcher--dark .opt.is-active b{ color:rgba(255,255,255,.8); }
.matcher--dark .pane h4{ color:#fff; }
.matcher--dark .pane p{ color:rgba(255,255,255,.74); }
.matcher--dark .pane__cta{ color:var(--gold-soft); }
.matcher--dark .matcher__note{ color:rgba(255,255,255,.4); }
.matcher__head{ margin-bottom:24px; }
.matcher__body{
  display:grid; grid-template-columns:.9fr 1.1fr; gap:clamp(20px,3vw,40px);
  padding-top:24px;
}
.matcher__opts{ display:flex; flex-direction:column; gap:10px; }
.opt{
  display:flex; align-items:flex-start; gap:14px;
  padding:15px 18px; border-radius:var(--r-sm); text-align:left;
  background:var(--cream); border:1px solid var(--line-2);
  transition:background .25s, border-color .25s, transform .25s, box-shadow .25s;
}
.opt:hover{ transform:translateX(3px); background:#fff; }
.opt b{
  font-family:var(--disp); font-size:.9rem; color:rgba(154,31,46,.5); flex:0 0 auto;
  line-height:1.6;
}
.opt span{ font-size:.9rem; color:var(--ink-3); line-height:1.65; }
.opt.is-active{
  background:linear-gradient(135deg,var(--crimson-2),var(--crimson));
  border-color:transparent;
  box-shadow:0 14px 30px -18px rgba(154,31,46,.9);
}
.opt.is-active span{ color:#fff; font-weight:500; }
.opt.is-active b{ color:rgba(255,255,255,.7); }

.matcher__panes{
  position:relative; min-height:220px; display:flex; align-items:center;
}
.pane__tag{
  font-size:.74rem; letter-spacing:.2em; color:var(--crimson);
  margin:0 0 8px; text-transform:uppercase;
}
.matcher--dark .pane__tag{ color:var(--gold-soft); }
.pane h4{ font-size:clamp(1.3rem,3vw,1.85rem); margin-bottom:.5em; }
.pane p{ font-size:.94rem; line-height:1.9; }
.pane__cta{
  display:inline-block; margin-top:14px; font-size:.88rem; font-weight:600; color:var(--crimson);
  border-bottom:1px solid currentColor; padding-bottom:2px;
}
.matcher__note{ font-size:.76rem; color:var(--muted); margin:22px 0 0; }

/* ---------- 16. 资产圈 ---------- */
.circles{
  display:flex; align-items:center; justify-content:center; gap:10px; flex-wrap:wrap;
}
.circle{
  width:108px; height:108px; border-radius:50%; flex:0 0 auto;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px;
  background:#fff; border:1px solid rgba(154,31,46,.3);
  box-shadow:0 16px 34px -22px rgba(154,31,46,.6);
}
.circle i{
  width:26px; height:26px; color:var(--crimson); display:grid; place-items:center;
}
.circle i svg{ width:26px; height:26px; }
.circle span{ font-size:.82rem; color:var(--ink-3); }
.circles em{ color:var(--crimson); font-size:.95rem; opacity:.6; }

.mods{ display:flex; flex-direction:column; gap:16px; }
.mods b{ display:block; font-size:.92rem; color:var(--crimson); margin-bottom:4px; }
.mods span{ font-size:.84rem; line-height:1.8; color:var(--body); }
.sec--dark .mods b{ color:var(--gold-soft); }

.disclaimer{ font-size:.76rem; color:var(--muted); margin-top:20px; line-height:1.8; }

/* ---------- 17b. 常见问题 ---------- */
#faq .acc{ margin-top:8px; }
#faq .acc__no{
  font-family:var(--disp); font-size:.86rem; letter-spacing:.06em; min-width:36px;
  color:var(--crimson); opacity:.85;
}
#faq .acc__panel p{ font-size:.9rem; line-height:1.95; color:var(--body); }
#faq .acc__panel p + p{ margin-top:12px; }
#faq .acc__panel .ticks{ margin:14px 0 14px; }
#faq .acc__panel .ticks li{ font-size:.88rem; line-height:1.9; }
.faq__note{
  margin-top:24px; padding:16px 20px; border-radius:var(--r-sm);
  background:rgba(255,255,255,.7); border:1px solid var(--line);
  font-size:.78rem; line-height:1.85; color:var(--muted);
}

/* ---------- 17. 团队 ---------- */
.team-stats{
  display:grid; grid-template-columns:repeat(3,1fr); gap:16px;
  margin-top:32px; padding-top:28px; border-top:1px solid rgba(255,255,255,.14);
}
.team-stats > div b{
  display:block; font-family:var(--disp); font-size:clamp(1.8rem,4.4vw,2.6rem);
  color:#fff; line-height:1; letter-spacing:-.02em;
}
.team-stats > div b i{ font-size:.5em; color:var(--gold-soft); margin-left:2px; }
.team-stats > div span{ display:block; font-size:.8rem; color:rgba(255,255,255,.6); margin-top:10px; letter-spacing:.04em; }

.testi__title{ font-size:.98rem; color:#fff; margin-bottom:18px; letter-spacing:.01em; }
.testi blockquote{
  margin:0 0 14px; padding:20px 22px;
  border-radius:var(--r); background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
}
.testi blockquote p{ font-size:.88rem; line-height:1.95; color:rgba(255,255,255,.8); margin:0; }
.testi cite{ display:block; margin-top:12px; font-size:.78rem; color:var(--gold-soft); }

/* ---------- 18. CTA / 联系 ---------- */
.sec.cta{
  background:
    radial-gradient(900px 520px at 18% 8%, rgba(183,155,106,.12), transparent 60%),
    linear-gradient(180deg,#141518,#1E1F23);
  padding-bottom:clamp(64px,9vw,120px);
}
.cta__box{
  max-width:780px; margin:0 auto; text-align:center;
  padding:clamp(30px,4.6vw,56px) clamp(22px,4vw,54px);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(10px);
}
.cta__box h2{ color:#fff; font-size:clamp(1.5rem,4vw,2.3rem); margin-bottom:.55em; line-height:1.4; }
.cta__sub{ color:rgba(255,255,255,.7); font-size:.95rem; line-height:1.9; max-width:32em; margin:0 auto 30px; }
.eyebrow--light{ justify-content:center; }

.wx{
  display:flex; align-items:center; justify-content:center; gap:18px; flex-wrap:wrap;
  width:fit-content; max-width:100%; margin:0 auto;
  padding:14px 16px 14px 26px; border-radius:999px;
  background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.028));
  border:1px solid rgba(255,255,255,.13);
  box-shadow:0 30px 70px -42px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.07);
}
.wx__label{
  display:inline-flex; align-items:center; gap:9px;
  font-size:.8rem; color:rgba(255,255,255,.64); letter-spacing:.16em;
}
.wx__label svg{ width:17px; height:17px; flex:0 0 17px; fill:var(--gold-soft); opacity:.85; }
.wx__id{
  font-family:var(--disp); font-weight:600;
  font-size:clamp(1.35rem,3.5vw,1.8rem);
  color:#fff; letter-spacing:.05em; line-height:1.1;
  padding:1px 2px 8px;
  background-image:linear-gradient(90deg,rgba(232,201,140,0),var(--gold-soft) 14%,var(--gold-soft) 86%,rgba(232,201,140,0));
  background-repeat:no-repeat; background-position:0 100%; background-size:100% 1.5px;
  text-shadow:0 8px 24px rgba(0,0,0,.5);
}
.cta__points{
  display:flex; flex-wrap:wrap; justify-content:center; gap:10px; margin:26px 0 0;
}
.cta__points li{
  font-size:.84rem; color:rgba(255,255,255,.78);
  padding:8px 16px; border-radius:999px;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12);
}
.cta__foot{ margin:26px 0 0; font-size:.8rem; color:rgba(255,255,255,.5); }
.cta__foot b{ color:var(--gold-soft); letter-spacing:.05em; }

/* ---------- 19. 页脚 ---------- */
.foot{
  background:#0E0F11; color:rgba(255,255,255,.55);
  padding:clamp(38px,5vw,58px) 0 26px;
}
.foot__inner{
  display:grid; grid-template-columns:1.1fr 1.4fr .9fr; gap:28px;
  padding-bottom:28px; border-bottom:1px solid rgba(255,255,255,.1);
}
.foot__brand{ display:flex; align-items:flex-start; gap:12px; }
.foot__brand strong{ color:#fff; font-size:1.02rem; letter-spacing:.1em; display:block; }
.foot__brand p{ font-size:.78rem; margin:6px 0 0; color:rgba(255,255,255,.45); line-height:1.7; }
.foot__nav{ display:flex; flex-wrap:wrap; gap:8px 20px; align-content:flex-start; }
.foot__nav a{ font-size:.85rem; color:rgba(255,255,255,.6); transition:color .2s; }
.foot__nav a:hover{ color:var(--gold-soft); }
.foot__meta{ font-size:.8rem; }
.foot__meta p{ margin:0 0 6px; }
.foot__meta b{ color:#fff; letter-spacing:.05em; }
.foot__copy{ color:rgba(255,255,255,.35); margin-top:12px !important; }
.foot__updated{ color:rgba(255,255,255,.38); }
.foot__updated time{ color:rgba(255,255,255,.55); }
.foot__ai{
  margin:22px 0 0; font-size:.72rem; line-height:1.9; color:rgba(255,255,255,.3);
}
.foot__ai a{ color:rgba(255,255,255,.45); text-decoration:underline; text-underline-offset:3px; }
.foot__ai a:hover{ color:var(--gold-soft); }
.foot__disclaimer{
  font-size:.72rem; line-height:1.9; color:rgba(255,255,255,.32);
  margin:22px 0 0;
}

/* ---------- 20. 悬浮组件 ---------- */
.fab{
  position:fixed; right:16px; bottom:18px; z-index:80;
  display:inline-flex; align-items:center; gap:8px;
  height:48px; padding:0 20px 0 16px; border-radius:999px;
  background:linear-gradient(135deg,var(--crimson-2),var(--crimson-deep));
  color:#fff; font-size:.88rem; font-weight:600;
  box-shadow:0 16px 34px -14px rgba(154,31,46,.85);
  transition:transform .3s, box-shadow .3s;
}
.fab svg{ width:20px; height:20px; fill:#fff; }
.fab:hover{ transform:translateY(-3px); box-shadow:0 20px 40px -14px rgba(154,31,46,.95); }

.totop{
  position:fixed; right:16px; bottom:76px; z-index:80;
  width:44px; height:44px; border-radius:50%;
  display:grid; place-items:center;
  background:rgba(255,255,255,.94); border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:opacity .3s, transform .3s;
}
.totop svg{ width:20px; height:20px; fill:var(--ink); }
.totop:hover{ transform:translateY(-3px); }

.toast{
  position:fixed; left:50%; bottom:34px; z-index:200;
  transform:translate(-50%,20px);
  padding:12px 22px; border-radius:999px;
  background:rgba(25,26,28,.92); color:#fff; font-size:.85rem;
  opacity:0; pointer-events:none;
  transition:opacity .3s, transform .3s;
  white-space:nowrap;
}
.toast.is-show{ opacity:1; transform:translate(-50%,0); }

/* ---------- 21. 滚动动效 ---------- */
.reveal{ opacity:0; transform:translateY(20px); }
.reveal.is-in{
  opacity:1; transform:none;
  transition:opacity .75s cubic-bezier(.2,.7,.3,1), transform .75s cubic-bezier(.2,.7,.3,1);
}

/* ---------- 22. 响应式：平板 ---------- */
@media (max-width:1080px){
  .nav__links{ display:none; }
  .nav-toggle{ display:grid; }
  .nav__cta{ display:none; }
  .grid--4{ grid-template-columns:repeat(2,1fr); }
  .grid--3{ grid-template-columns:repeat(2,1fr); }
  .values{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:repeat(5,1fr); }
  .foot__inner{ grid-template-columns:1fr 1fr; }
  .foot__nav{ grid-column:1 / -1; order:3; }
}

@media (max-width:900px){
  .matcher__body{ grid-template-columns:1fr; }
  .matcher__panes{ min-height:auto; }
  .qs__grid{ grid-template-columns:1fr; }
  .banner{ grid-template-columns:1fr; }
  .timeline__row,.timeline__axis{ min-width:860px; grid-template-columns:repeat(5,minmax(160px,1fr)); }
}

@media (max-width:820px){
  :root{ --nav-h:62px; }
  .grid--2{ grid-template-columns:1fr; }
  .story-grid{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:repeat(2,1fr); }
  .kv{ grid-template-columns:1fr; }
  .ticks--2col{ column-count:1; }
  .foot__inner{ grid-template-columns:1fr; }
  .foot__nav{ order:0; }
  .hero__skyline{ height:min(38vh,300px); opacity:.75; }
}

/* ---------- 23. 响应式：手机 ---------- */
@media (max-width:640px){
  body{ font-size:15.5px; line-height:1.78; }
  .wrap{ padding:0 18px; }
  .sec{ padding:52px 0; }
  .grid--4,.grid--3{ grid-template-columns:1fr; }
  .values{ grid-template-columns:1fr; padding:22px 20px; gap:18px; }
  .stats{ grid-template-columns:repeat(2,1fr); }
  .stat{ padding:18px 12px; }
  .stat b{ font-size:1.5rem; }
  .hero{ padding-top:calc(var(--nav-h) + 34px); }
  .hero__btns .btn{ flex:1 1 100%; }
  .qs__list li{ grid-template-columns:60px 1fr; gap:10px; }
  .case__data{ grid-template-columns:1fr; }
  .case__metrics{ grid-template-columns:1fr; }
  .circles{ gap:6px; }
  .circle{ width:92px; height:92px; }
  .circle i{ font-size:1.05rem; }
  .team-stats{ grid-template-columns:1fr; gap:22px; text-align:left; }
  .wx{ width:100%; flex-direction:column; gap:12px; padding:22px 20px; border-radius:var(--r-lg); }
  .wx .btn{ width:100%; }
  .quote{ padding:26px 22px 26px 34px; }
  .quote::before{ left:12px; top:10px; font-size:2.4rem; }
  .panel,.card,.case,.plan,.subcard{ padding:22px 20px; }
  .banner{ padding:24px 22px; }
  .banner__r{ grid-template-columns:1fr 1fr; }
  .matcher{ padding:22px 18px; }
  .opt{ padding:13px 15px; }
  .fab{ right:14px; bottom:14px; height:46px; padding:0 18px 0 14px; font-size:.84rem; }
  .totop{ right:14px; bottom:70px; width:42px; height:42px; }
  .foot__disclaimer{ font-size:.68rem; }
  .acc__btn{ gap:12px; padding:18px 2px; }
  .acc__t b{ font-size:1rem; }
  .timeline__row,.timeline__axis{ min-width:760px; }
}

@media (max-width:400px){
  .brand__text em{ display:none; }
  .hero__title{ font-size:1.9rem; }
  .steps{ grid-template-columns:1fr 1fr; }
}

/* ---------- 24. 无障碍 / 打印 ---------- */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
  .reveal{ opacity:1; transform:none; }
}

@media print{
  .nav,.drawer,.fab,.totop,.toast{ display:none !important; }
  .reveal{ opacity:1; transform:none; }
  body{ color:#000; }
}