/* ========================================================================
   起石科技 / QI·SHI TECH  ·  全站样式
   设计语言：深色工业感 + 米白纸感 + 暖橙强调 + 墨蓝辅色
   移动优先，断点：768 / 1024 / 1280
   ======================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --ink-900:#0c0f14;
  --ink-800:#141821;
  --ink-700:#1d2230;
  --ink-500:#3a4254;
  --ink-400:#5b6478;
  --ink-300:#8a93a6;
  --line:#e3ddd0;
  --line-2:#ece7dc;
  --paper:#f6f2e9;
  --paper-2:#ede7d8;
  --paper-3:#fbf8f1;
  --white:#ffffff;
  --accent:#cf5a1f;          /* 暖橙：核心强调 */
  --accent-d:#a84712;
  --accent-s:#f1d6c0;
  --navy:#1a3050;            /* 墨蓝 */
  --navy-d:#0f1f37;
  --gold:#b89048;
  --success:#2e7d52;
  --danger:#b53636;
  --shadow-s:0 1px 2px rgba(12,15,20,.04),0 2px 8px rgba(12,15,20,.04);
  --shadow-m:0 4px 16px rgba(12,15,20,.06),0 12px 32px rgba(12,15,20,.06);
  --shadow-l:0 24px 60px rgba(12,15,20,.12);
  --radius-s:2px;
  --radius-m:4px;
  --radius-l:8px;
  --maxw:1240px;
  --gutter:clamp(16px,3vw,32px);
  --t-fast:.18s ease;
  --t-mid:.32s cubic-bezier(.2,.6,.2,1);
  --t-slow:.6s cubic-bezier(.2,.6,.2,1);
  --f-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",Georgia,serif;
  --f-sans:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
}

/* ---------- 2. 重置 & 基础 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
[id]{scroll-margin-top:80px}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.65;
  color:var(--ink-800);
  background:var(--paper-3);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t-fast)}
a:hover{color:var(--accent)}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
ul,ol{list-style:none}
input,textarea,select{font:inherit;color:inherit}
hr{border:0;height:1px;background:var(--line)}
::selection{background:var(--accent);color:#fff}

/* 焦点可达性 */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* ---------- 3. 排版工具 ---------- */
.serif{font-family:var(--f-serif);font-weight:500;letter-spacing:.01em}
.mono{font-family:var(--f-mono);letter-spacing:.02em}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-mono);
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-400);
}
.eyebrow::before{content:"";width:24px;height:1px;background:currentColor;opacity:.6}
.eyebrow.on-dark{color:rgba(255,255,255,.6)}

h1,h2,h3,h4{font-family:var(--f-serif);color:var(--ink-900);font-weight:500;line-height:1.25;letter-spacing:.005em}
h1{font-size:clamp(36px,5.2vw,64px);line-height:1.12}
h2{font-size:clamp(28px,3.4vw,44px);line-height:1.2}
h3{font-size:clamp(20px,2vw,26px)}
h4{font-size:18px}
p{color:var(--ink-500)}
.lead{font-size:clamp(17px,1.4vw,19px);color:var(--ink-500);max-width:62ch;line-height:1.7}

.section{padding:clamp(48px,6vw,84px) 0;position:relative}
.section.tight{padding:clamp(40px,5vw,64px) 0}
.section.dark{background:var(--ink-900);color:#d4d8e0}
.section.dark h1,.section.dark h2,.section.dark h3{color:#fff}
.section.dark p{color:#aab1c0}
.section.paper{background:var(--paper)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.divider{display:flex;align-items:center;gap:14px;color:var(--ink-300);font-family:var(--f-mono);font-size:11px;letter-spacing:.3em}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:currentColor;opacity:.4}

/* ---------- 4. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;
  font-size:14px;font-weight:500;letter-spacing:.04em;
  border:1px solid transparent;border-radius:var(--radius-m);
  transition:all var(--t-fast);
  position:relative;overflow:hidden;
  white-space:nowrap;
}
.btn .arr{transition:transform var(--t-fast)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--ink-900);color:#fff}
.btn-primary:hover{background:var(--accent);color:#fff}
.btn-ghost{border-color:var(--ink-900);color:var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:#fff}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{background:var(--ink-900);color:#fff}
.btn-outline-light{border-color:rgba(255,255,255,.3);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--ink-900)}
.btn-sm{padding:10px 16px;font-size:13px}
.btn-lg{padding:18px 32px;font-size:15px}

/* ---------- 5. 顶部导航 ---------- */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(251,248,241,.82);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid transparent;
  transition:all var(--t-mid);
}
.topbar.scrolled{background:rgba(251,248,241,.95);border-bottom-color:var(--line)}
.topbar .row{
  max-width:var(--maxw);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:72px;padding:0 var(--gutter);
}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink-900)}
.brand:hover{color:var(--ink-900)}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;
  background:var(--ink-900);color:#fff;
  font-family:var(--f-serif);font-weight:600;font-size:18px;
  border-radius:2px;
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:3px;
  border:1px solid rgba(255,255,255,.25);
}
.brand-name{display:flex;flex-direction:column;line-height:1.05}
.brand-name b{font-family:var(--f-serif);font-size:17px;font-weight:600;letter-spacing:.04em}
.brand-name span{font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;color:var(--ink-400);text-transform:uppercase}

.nav-main{display:flex;align-items:center;gap:4px}
.nav-main > li > a,.nav-main > li > button{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;
  font-size:14px;font-weight:500;color:var(--ink-700);
  border-radius:2px;transition:color var(--t-fast);
  position:relative;
}
.nav-main > li > a:hover,.nav-main > li.active > a{color:var(--accent)}
.nav-main > li.active > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;
  height:1px;background:var(--accent);
}
.nav-main .caret{width:8px;height:8px;opacity:.5;transition:transform var(--t-fast)}
.nav-main > li:hover .caret{transform:rotate(180deg)}

.has-sub{position:relative}
.submenu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);
  min-width:200px;padding:10px;
  background:#fff;border:1px solid var(--line);border-radius:4px;
  box-shadow:var(--shadow-m);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:all var(--t-fast);
}
.has-sub:hover .submenu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.submenu a{display:block;padding:9px 14px;font-size:13.5px;color:var(--ink-700);border-radius:2px}
.submenu a:hover{background:var(--paper-2);color:var(--accent)}

.nav-cta{display:flex;align-items:center;gap:10px;margin-left:14px}
.lang{
  display:inline-flex;align-items:center;gap:4px;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;
  color:var(--ink-500);padding:8px 10px;
}
.lang li{position:relative;padding:0 8px;cursor:pointer}
.lang li+li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:10px;background:var(--line)}
.lang li.on{color:var(--ink-900);font-weight:600}

.menu-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:2px;background:#fff;
}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
  display:block;width:18px;height:1.5px;background:var(--ink-900);
}
.menu-toggle span{position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle.is-open span{background:transparent}
.menu-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.menu-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

@media (max-width:1024px){
  .menu-toggle{display:inline-flex}
  .nav-main{
    position:fixed;inset:72px 0 0 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper-3);
    border-top:1px solid var(--line);
    padding:20px var(--gutter);
    overflow-y:auto;
    transform:translateX(100%);transition:transform var(--t-mid);
  }
  .nav-main.is-open{transform:translateX(0)}
  .nav-main > li > a,.nav-main > li > button{
    padding:16px 4px;font-size:16px;
    border-bottom:1px solid var(--line-2);
    width:100%;justify-content:space-between;
  }
  .nav-main > li.active > a::after{display:none}
  .submenu{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;box-shadow:none;border:0;padding:0 0 8px 14px;min-width:0;background:transparent;display:none}
  .has-sub.is-open .submenu{display:block}
  .has-sub.is-open .caret{transform:rotate(180deg)}
  .lang{display:none}
  .nav-cta{margin-left:auto}
}

/* ---------- 6. Hero ---------- */
.hero{
  position:relative;min-height:76vh;min-height:560px;
  overflow:hidden;background:var(--ink-900);color:#fff;
  padding-top:72px;
}
.hero-stage{position:absolute;inset:0;display:grid}
.hero-slide{
  grid-area:1/1;
  opacity:0;visibility:hidden;
  transition:opacity var(--t-slow);
}
.hero-slide.is-active{opacity:1;visibility:visible;z-index:1}
.hero-slide::before{
  content:"";position:absolute;inset:0;
  background:var(--slide-bg,linear-gradient(135deg,#0c0f14 0%,#1a3050 100%));
  z-index:0;
}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 500px at 80% 20%,rgba(207,90,31,.18),transparent 60%),
    linear-gradient(180deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.25) 35%,rgba(0,0,0,.7) 100%);
  z-index:1;
}
.hero-slide-1{--slide-bg:
  linear-gradient(135deg,#0c0f14 0%,#1a2f4d 50%,#0c0f14 100%),
  radial-gradient(circle at 70% 30%,#cf5a1f 0%,transparent 50%);
  background:
    radial-gradient(circle at 70% 30%,rgba(207,90,31,.4) 0%,transparent 45%),
    linear-gradient(135deg,#0c0f14 0%,#1a2f4d 50%,#0c0f14 100%);
}
.hero-slide-1::before{background:none}
.hero-slide-2{--slide-bg:linear-gradient(135deg,#1c1208 0%,#3a200e 60%,#0c0f14 100%)}
.hero-slide-3{--slide-bg:linear-gradient(135deg,#0a1828 0%,#0c0f14 100%)}

.hero-grid{
  position:absolute;inset:0;z-index:1;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:80px 80px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 50%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 50%,#000 30%,transparent 80%);
}
.hero-content{
  position:relative;z-index:2;
  height:calc(76vh - 72px);min-height:calc(560px - 72px);
  max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);
  display:flex;flex-direction:column;justify-content:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:14px;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.25em;
  color:rgba(255,255,255,.7);text-transform:uppercase;
  margin-bottom:22px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(207,90,31,.2)}
.hero h1{
  color:#fff;max-width:16ch;
  font-size:clamp(36px,5.4vw,68px);
  line-height:1.08;font-weight:500;
}
.hero h1 em{font-style:normal;color:var(--accent);font-family:var(--f-serif)}
.hero p.lead{color:rgba(255,255,255,.78);max-width:56ch;margin-top:22px;font-size:clamp(15px,1.2vw,18px)}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.hero-actions .btn-outline-light{border-color:rgba(255,255,255,.4)}
/* Hero 轮播圆点 */
.hero-dots{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.hero-dot{width:30px;height:3px;border:none;border-radius:2px;background:rgba(255,255,255,.3);cursor:pointer;padding:0;transition:background .3s,width .3s}
.hero-dot.is-active{background:var(--accent,#cf5a1f);width:46px}
.no-js .hero-slide{opacity:1;visibility:visible;position:relative}
.no-js .hero-slide:not(:first-child){display:none}
.hero-meta{
  margin-top:56px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;gap:48px;flex-wrap:wrap;align-items:flex-end;
  justify-content:space-between;
}
.hero-meta dl{display:flex;gap:40px;flex-wrap:wrap}
.hero-meta dt{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.5);text-transform:uppercase;margin-bottom:6px}
.hero-meta dd{font-family:var(--f-serif);font-size:26px;color:#fff;letter-spacing:.02em}
.hero-meta dd small{font-family:var(--f-mono);font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.15em;margin-left:4px}
.hero-meta .scroll{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.3em;
  color:rgba(255,255,255,.5);text-transform:uppercase;
  display:inline-flex;align-items:center;gap:8px;
}
.hero-meta .scroll::after{content:"";display:block;width:1px;height:32px;background:rgba(255,255,255,.3);animation:scrollLine 2s ease-in-out infinite}
@keyframes scrollLine{0%,100%{transform:scaleY(.4);transform-origin:top}50%{transform:scaleY(1);transform-origin:bottom}}
@media (max-width:768px){
  .hero{min-height:520px;padding-top:64px}
  .hero-content{height:calc(100vh - 64px);min-height:calc(520px - 64px)}
  .hero-meta{margin-top:40px;gap:20px}
  .hero-meta dl{gap:20px}
  .hero-meta dd{font-size:22px}
}

/* ---------- 7. 客户带 ---------- */
.clients{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:36px 0;
}
.clients .row{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.clients .label{font-family:var(--f-mono);font-size:11px;letter-spacing:.25em;color:var(--ink-400);text-transform:uppercase;flex-shrink:0}
.clients ul{display:flex;flex-wrap:wrap;align-items:center;gap:clamp(20px,4vw,48px);flex:1;justify-content:space-between}
.clients li{
  font-family:var(--f-serif);font-size:18px;font-weight:500;color:var(--ink-500);
  letter-spacing:.04em;opacity:.7;transition:opacity var(--t-fast);
  display:flex;align-items:center;gap:8px;
}
.clients li:hover{opacity:1;color:var(--ink-900)}
.clients li .mark{font-family:var(--f-mono);font-size:10px;color:var(--ink-300)}
@media (max-width:768px){
  .clients .row{flex-direction:column;align-items:flex-start}
  .clients ul{justify-content:flex-start;gap:24px}
  .clients li{font-size:15px}
}

/* ---------- 8. 区块头 ---------- */
.sec-head{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:end;margin-bottom:clamp(32px,4vw,52px)}
.sec-head .eyebrow{margin-bottom:18px}
.sec-head p{max-width:48ch}
.sec-head .sec-aside{justify-self:end;text-align:right}
@media (max-width:768px){
  .sec-head{grid-template-columns:1fr;gap:24px}
  .sec-head .sec-aside{justify-self:start;text-align:left}
}

/* ---------- 9. 服务卡片 ---------- */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.service-card{
  position:relative;padding:48px 36px 56px;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--paper-3);
  transition:background var(--t-mid);
  display:flex;flex-direction:column;min-height:340px;
}
.service-card:hover{background:var(--paper)}
.service-num{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--ink-300);margin-bottom:auto}
.service-card h3{margin:24px 0 14px;font-size:24px}
.service-card p{font-size:14.5px;line-height:1.7;margin-bottom:28px}
.service-card .more{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;
  color:var(--ink-700);text-transform:uppercase;
  margin-top:auto;transition:color var(--t-fast);
}
.service-card .more::after{content:"→";transition:transform var(--t-fast)}
.service-card:hover .more{color:var(--accent)}
.service-card:hover .more::after{transform:translateX(4px)}
.service-card .deco{
  position:absolute;top:36px;right:36px;
  width:60px;height:60px;
  display:grid;place-items:center;
  border:1px solid var(--line);border-radius:50%;
  font-family:var(--f-serif);font-size:24px;color:var(--ink-700);
  transition:all var(--t-mid);
}
.service-card:hover .deco{background:var(--ink-900);color:#fff;border-color:var(--ink-900);transform:rotate(-45deg)}
@media (max-width:1024px){.services{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.services{grid-template-columns:1fr}.service-card{padding:36px 24px 44px;min-height:0}}

/* ---------- 10. 案例作品 ---------- */
.cases{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.case{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:#fff;
  border-radius:2px;
}
.case-1{grid-column:span 7;aspect-ratio:16/10}
.case-2{grid-column:span 5;aspect-ratio:16/10}
.case-3{grid-column:span 5;aspect-ratio:16/10}
.case-4{grid-column:span 7;aspect-ratio:16/10}
.case-bg{position:absolute;inset:0;background:var(--case-bg,linear-gradient(135deg,#1a3050,#0c0f14));transition:transform 1s cubic-bezier(.2,.6,.2,1)}
.case:hover .case-bg{transform:scale(1.05)}
.case-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.75) 100%)}
.case-1 .case-bg{background:linear-gradient(135deg,#3a200e 0%,#0c0f14 100%)}
.case-2 .case-bg{background:linear-gradient(135deg,#1a3050 0%,#0c0f14 100%)}
.case-3 .case-bg{background:linear-gradient(135deg,#2a1a0a 0%,#0c0f14 100%)}
.case-4 .case-bg{background:linear-gradient(135deg,#0f1f37 0%,#0c0f14 100%)}

.case-body{
  position:absolute;inset:auto 0 0 0;padding:32px;
  display:flex;flex-direction:column;gap:14px;
}
.case-tag{
  display:inline-flex;align-self:flex-start;
  font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;
  color:rgba(255,255,255,.7);text-transform:uppercase;
  padding:6px 10px;border:1px solid rgba(255,255,255,.2);border-radius:2px;
}
.case-body h3{color:#fff;font-size:24px;line-height:1.3}
.case-body .meta{display:flex;gap:18px;font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;color:rgba(255,255,255,.6);text-transform:uppercase;margin-top:6px}
.case-body .meta span{display:inline-flex;align-items:center;gap:6px}
.case-body .meta span::before{content:"";width:14px;height:1px;background:currentColor}
.case-cta{
  position:absolute;top:24px;right:24px;
  width:46px;height:46px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:50%;
  color:#fff;transition:all var(--t-fast);
}
.case-cta::after{content:"↗";font-size:18px}
.case:hover .case-cta{background:var(--accent);border-color:var(--accent);transform:rotate(45deg)}
@media (max-width:900px){
  .cases{gap:16px}
  .case-1,.case-2,.case-3,.case-4{grid-column:span 12;aspect-ratio:4/3}
  .case-body{padding:24px}
  .case-body h3{font-size:20px}
}

/* ---------- 11. 数字/数据 ---------- */
.stats{
  background:var(--ink-900);color:#fff;position:relative;overflow:hidden;
}
.stats::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(700px 400px at 85% 30%,rgba(207,90,31,.15),transparent 60%),
    radial-gradient(500px 300px at 15% 80%,rgba(26,48,80,.4),transparent 60%);
}
.stats .container{position:relative;z-index:1}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.08)}
.stat{padding:56px 32px 48px;border-right:1px solid rgba(255,255,255,.08);position:relative}
.stat:last-child{border-right:0}
.stat-num{font-family:var(--f-serif);font-size:clamp(48px,5vw,72px);font-weight:500;color:#fff;line-height:1;letter-spacing:-.01em;display:flex;align-items:baseline;gap:4px}
.stat-num i{font-style:normal;color:var(--accent);font-size:.5em;margin-left:2px}
.stat-label{margin-top:18px;font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.6);text-transform:uppercase}
.stat-icon{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;margin:0 0 16px}
.stat-icon svg{color:rgba(255,255,255,.9)}
.stat-num{color:#fff !important}
.stat-desc{margin-top:14px;font-size:14px;color:rgba(255,255,255,.65);max-width:24ch;line-height:1.6}
@media (max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}.stat{border-right:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);padding:36px 20px}.stat:nth-child(2n){border-right:0}.stat:nth-last-child(-n+2){border-bottom:0}}
@media (max-width:480px){.stats-grid{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}.stat:last-child{border-bottom:0}}

/* ---------- 12. 流程 ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.process-step{background:var(--paper-3);padding:36px 28px;position:relative;transition:background var(--t-fast)}
.process-step:hover{background:var(--paper)}
.process-step h4{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;margin-bottom:24px;display:flex;align-items:center;gap:8px}
.process-step h4::after{content:"";flex:1;height:1px;background:var(--line)}
.process-step h3{font-size:22px;margin-bottom:14px;line-height:1.3}
.process-step p{font-size:14px;line-height:1.7}
@media (max-width:900px){.process{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.process{grid-template-columns:1fr}}

/* ---------- 13. 评价/证言 ---------- */
.testi{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.testi-card{
  padding:48px 40px;background:#fff;border:1px solid var(--line);
  display:flex;flex-direction:column;gap:24px;position:relative;
}
.testi-card::before{
  content:"\201C";position:absolute;top:20px;right:32px;
  font-family:var(--f-serif);font-size:80px;line-height:1;color:var(--ink-200);
}
.testi-quote{font-family:var(--f-serif);font-size:20px;line-height:1.6;color:var(--ink-800)}
.testi-meta{display:flex;align-items:center;gap:14px;margin-top:auto;padding-top:24px;border-top:1px solid var(--line-2)}
.testi-avatar{
  width:48px;height:48px;border-radius:50%;
  background:var(--ink-700);color:#fff;display:grid;place-items:center;
  font-family:var(--f-serif);font-size:18px;
  flex-shrink:0;
}
.testi-meta b{display:block;font-size:14px;font-weight:600;color:var(--ink-900)}
.testi-meta span{font-size:12px;color:var(--ink-400);font-family:var(--f-mono);letter-spacing:.05em}
@media (max-width:768px){.testi{grid-template-columns:1fr}.testi-card{padding:32px 24px}.testi-quote{font-size:17px}}

/* ---------- 14. 文章/资讯列表 ---------- */
.news-list-section{padding:max(100px,clamp(64px,8vw,100px)) 0;background:var(--paper-3)}
.news-list-section .container{display:grid;grid-template-columns:240px 1fr;gap:64px;align-items:start}
@media (max-width:900px){.news-list-section .container{grid-template-columns:1fr;gap:40px}}
.news-filter{position:sticky;top:96px;display:flex;flex-direction:column;gap:6px}
.news-filter h4{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--ink-400);text-transform:uppercase;margin-bottom:16px;font-weight:500}
.news-filter a{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 14px;font-size:14px;color:var(--ink-700);
  border-left:2px solid transparent;transition:all var(--t-fast);
}
.news-filter a:hover{background:var(--paper-2);color:var(--ink-900)}
.news-filter a.on{background:var(--ink-900);color:#fff;border-left-color:var(--accent)}
.news-filter a span{font-family:var(--f-mono);font-size:11px;opacity:.6}

.news-list{display:flex;flex-direction:column}
.news-card{
  display:grid;grid-template-columns:280px 1fr auto;gap:32px;align-items:start;
  padding:32px 0;border-bottom:1px solid var(--line);
  transition:padding var(--t-fast);
}
.news-card:hover{padding-left:12px}
.news-thumb{
  aspect-ratio:4/3;background:var(--ink-700);border-radius:2px;overflow:hidden;position:relative;
}
.news-thumb-inner{position:absolute;inset:0;background:linear-gradient(135deg,var(--ink-700),var(--ink-900));transition:transform 1s cubic-bezier(.2,.6,.2,1)}
.news-card:hover .news-thumb-inner{transform:scale(1.06)}
.news-thumb-1 .news-thumb-inner{background:linear-gradient(135deg,#3a200e,#0c0f14)}
.news-thumb-2 .news-thumb-inner{background:linear-gradient(135deg,#1a3050,#0c0f14)}
.news-thumb-3 .news-thumb-inner{background:linear-gradient(135deg,#2a1a0a,#0c0f14)}
.news-thumb-4 .news-thumb-inner{background:linear-gradient(135deg,#0f1f37,#0c0f14)}
.news-thumb-5 .news-thumb-inner{background:linear-gradient(135deg,#1a2a40,#0c0f14)}
.news-thumb-6 .news-thumb-inner{background:linear-gradient(135deg,#2a1f10,#0c0f14)}

.news-body h3{font-size:22px;line-height:1.35;margin-bottom:14px;transition:color var(--t-fast)}
.news-card:hover .news-body h3{color:var(--accent)}
.news-excerpt{font-size:14.5px;line-height:1.7;margin-bottom:18px;color:var(--ink-500)}
.news-meta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-400);text-transform:uppercase}
.news-meta-row .tag{padding:4px 8px;border:1px solid var(--line);color:var(--ink-700);border-radius:2px}
.news-card .arr{
  align-self:center;width:46px;height:46px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:50%;color:var(--ink-700);
  font-size:18px;transition:all var(--t-fast);
}
.news-card:hover .arr{background:var(--ink-900);color:#fff;border-color:var(--ink-900);transform:translateX(4px)}
@media (max-width:768px){
  .news-card{grid-template-columns:1fr;gap:20px}
  .news-thumb{aspect-ratio:16/9}
  .news-card .arr{justify-self:end}
  .news-body h3{font-size:19px}
}

.news-pagination{margin-top:48px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.news-pagination .info{font-family:var(--f-mono);font-size:12px;color:var(--ink-400);letter-spacing:.1em}
.news-pagination .pages{display:flex;gap:4px}
.news-pagination .pages a,.news-pagination .pages span{
  min-width:40px;height:40px;display:grid;place-items:center;
  font-family:var(--f-mono);font-size:13px;
  border:1px solid var(--line);color:var(--ink-700);
}
.news-pagination .pages a:hover{border-color:var(--ink-900);color:var(--ink-900)}
.news-pagination .pages .on{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
.news-pagination .pages .arrow{font-size:16px}

/* ---------- 15. 文章详情 ---------- */
.article{padding:max(100px,clamp(64px,8vw,100px)) 0;background:var(--paper-3)}
.article .container{max-width:880px}
.article-crumbs{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;
  color:var(--ink-400);text-transform:uppercase;margin-bottom:32px;
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
}
.article-crumbs a:hover{color:var(--ink-900)}
.article-crumbs .sep{opacity:.4}
.article-head{margin-bottom:48px;padding-bottom:48px;border-bottom:1px solid var(--line)}
.article-tag{
  display:inline-block;padding:6px 12px;font-family:var(--f-mono);
  font-size:11px;letter-spacing:.15em;color:var(--accent);
  text-transform:uppercase;border:1px solid var(--accent-s);
  background:var(--accent-s);border-radius:2px;margin-bottom:24px;
}
.article h1{font-size:clamp(32px,4vw,48px);line-height:1.2;margin-bottom:28px}
.article-meta{
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;
  color:var(--ink-400);text-transform:uppercase;
}
.article-meta .item{display:inline-flex;align-items:center;gap:8px}
.article-meta .item b{color:var(--ink-800);font-weight:600}
.article-cover{
  margin:48px 0;border-radius:2px;overflow:hidden;
  aspect-ratio:16/9;background:var(--ink-700);position:relative;
}
.article-cover .cover-inner{position:absolute;inset:0;background:linear-gradient(135deg,#1a3050,#0c0f14)}
.article-cover::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(207,90,31,.3),transparent 50%)}

.prose{font-size:17px;line-height:1.85;color:var(--ink-700)}
.prose > * + *{margin-top:1.4em}
.prose h2{font-size:30px;margin-top:2.2em;margin-bottom:.6em;letter-spacing:.005em;position:relative;padding-top:.4em}
.prose h2::before{content:"";position:absolute;left:0;top:0;width:36px;height:2px;background:var(--accent)}
.prose h3{font-size:22px;margin-top:2em;margin-bottom:.5em}
.prose p{color:var(--ink-500);font-size:17px}
.prose a{color:var(--accent);border-bottom:1px solid var(--accent-s)}
.prose a:hover{border-bottom-color:var(--accent)}
.prose blockquote{
  margin:2em 0;padding:24px 32px;
  background:var(--paper-2);border-left:3px solid var(--accent);
  font-family:var(--f-serif);font-size:20px;line-height:1.7;color:var(--ink-800);
  font-style:italic;
}
.prose blockquote p{color:inherit;font-size:inherit}
.prose ul,.prose ol{padding-left:1.4em;color:var(--ink-500)}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose li + li{margin-top:.5em}
.prose code{
  font-family:var(--f-mono);font-size:.9em;
  padding:2px 6px;background:var(--paper-2);border-radius:2px;color:var(--accent-d);
}
.prose pre{
  background:var(--ink-900);color:#d4d8e0;padding:24px 28px;
  font-family:var(--f-mono);font-size:13.5px;line-height:1.7;
  border-radius:2px;overflow-x:auto;
}
.prose pre code{background:transparent;padding:0;color:inherit}
.prose img{margin:2em auto;border-radius:2px}
.prose hr{border:0;height:1px;background:var(--line);margin:3em 0;position:relative}
.prose hr::after{content:"·";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--paper-3);padding:0 14px;color:var(--ink-300);font-size:24px}

.article-foot{margin-top:64px;padding-top:32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;align-items:center}
.article-share{display:flex;gap:8px;align-items:center}
.article-share .label{font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;color:var(--ink-400);text-transform:uppercase;margin-right:12px}
.article-share a{
  width:36px;height:36px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--ink-700);font-size:13px;
  transition:all var(--t-fast);
}
.article-share a:hover{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}

.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:64px}
.article-nav a{
  display:flex;flex-direction:column;gap:8px;padding:24px 28px;
  border:1px solid var(--line);background:#fff;transition:all var(--t-fast);
}
.article-nav a:hover{border-color:var(--ink-900);background:var(--ink-900);color:#fff}
.article-nav a:hover .label,.article-nav a:hover h4{color:#fff}
.article-nav .label{font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;color:var(--ink-400);text-transform:uppercase}
.article-nav h4{font-size:16px;line-height:1.4;color:var(--ink-900);transition:color var(--t-fast)}
.article-nav .next{text-align:right;align-items:flex-end}
@media (max-width:640px){.article-nav{grid-template-columns:1fr}.article-nav .next{text-align:left;align-items:flex-start}}

/* ---------- 16. 关于/介绍 单页 ---------- */
.page-hero{
  padding:120px 0 56px;background:var(--ink-900);color:#fff;position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 500px at 80% 30%,rgba(207,90,31,.15),transparent 60%),
    linear-gradient(180deg,transparent 60%,rgba(0,0,0,.6) 100%);
}
.page-hero .container{position:relative;z-index:1}
.page-hero .eyebrow{color:rgba(255,255,255,.6);margin-bottom:24px}
.page-hero h1{color:#fff;font-size:clamp(40px,5.5vw,68px);line-height:1.1;max-width:18ch}
.page-hero p.lead{color:rgba(255,255,255,.75);max-width:54ch;margin-top:32px}
.page-hero .bread{
  position:absolute;left:0;right:0;bottom:32px;z-index:1;
  max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);
  display:flex;align-items:center;gap:10px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;
  color:rgba(255,255,255,.5);text-transform:uppercase;
}
.page-hero .bread a:hover{color:#fff}
.page-hero .bread .sep{opacity:.4}

.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-intro .text p{font-size:16px;line-height:1.8;margin-bottom:18px}
.about-intro .visual{
  aspect-ratio:4/5;background:var(--ink-900);position:relative;overflow:hidden;
  border-radius:2px;
}
.about-intro .visual::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 70% 30%,rgba(207,90,31,.3),transparent 50%),
    linear-gradient(135deg,#0c0f14 0%,#1a3050 100%);
}
.about-intro .visual::before{
  content:"起石 / QISHI";position:absolute;left:32px;bottom:32px;z-index:1;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.3em;
  color:rgba(255,255,255,.5);
}
@media (max-width:900px){.about-intro{grid-template-columns:1fr;gap:40px}}

.values{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.value-card{padding:36px 28px;background:#fff;border:1px solid var(--line);transition:all var(--t-mid);position:relative}
.value-card:hover{border-color:var(--ink-900);transform:translateY(-4px);box-shadow:var(--shadow-m)}
.value-num{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;margin-bottom:24px}
.value-card h3{font-size:22px;margin-bottom:14px}
.value-card p{font-size:14.5px;line-height:1.7}
@media (max-width:900px){.values{grid-template-columns:1fr}}

.timeline{position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:80px;top:0;bottom:0;width:1px;background:var(--line)}
.tl-item{display:grid;grid-template-columns:80px 1fr;gap:32px;padding:32px 0;align-items:start;position:relative}
.tl-year{
  font-family:var(--f-mono);font-size:14px;letter-spacing:.1em;
  color:var(--ink-400);text-align:right;padding-top:4px;
}
.tl-item::after{
  content:"";position:absolute;left:76px;top:36px;
  width:9px;height:9px;border-radius:50%;
  background:var(--paper-3);border:2px solid var(--ink-300);transition:all var(--t-fast);
}
.tl-item:hover::after{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 6px rgba(207,90,31,.15)}
.tl-content h3{font-size:20px;margin-bottom:10px}
.tl-content p{font-size:14.5px;line-height:1.7;max-width:60ch}
@media (max-width:640px){
  .timeline::before{left:60px}
  .tl-item{grid-template-columns:60px 1fr;gap:20px}
  .tl-year{font-size:12px}
  .tl-item::after{left:56px}
}

.team{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:all var(--t-mid)}
.team-card:hover{border-color:var(--ink-900);transform:translateY(-4px);box-shadow:var(--shadow-m)}
.team-avatar{aspect-ratio:1/1;background:var(--ink-700);position:relative;overflow:hidden}
.team-avatar::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,var(--ink-700),var(--ink-900));
}
.team-avatar::before{
  content:attr(data-initials);position:absolute;inset:0;z-index:1;
  display:grid;place-items:center;
  font-family:var(--f-serif);font-size:64px;color:rgba(255,255,255,.9);font-weight:500;
}
.team-info{padding:24px}
.team-info h4{font-size:18px;margin-bottom:4px}
.team-info .role{font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;color:var(--ink-400);text-transform:uppercase;margin-bottom:14px}
.team-info p{font-size:13.5px;line-height:1.6}
@media (max-width:900px){.team{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.team{grid-template-columns:1fr}}

/* ---------- 17. 业务介绍 单页 ---------- */
.biz-tabs{
  display:flex;gap:1px;background:var(--line);
  border:1px solid var(--line);border-bottom:0;
}
.biz-tab{
  flex:1;padding:24px 28px;background:var(--paper-3);
  text-align:left;transition:all var(--t-fast);
  display:flex;flex-direction:column;gap:6px;cursor:pointer;
  border-bottom:3px solid transparent;
}
.biz-tab:hover{background:var(--paper)}
.biz-tab.is-on{background:#fff;border-bottom-color:var(--accent)}
.biz-tab h4{font-size:16px;font-weight:600}
.biz-tab .label{font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;color:var(--ink-400);text-transform:uppercase}
.biz-tab.is-on .label{color:var(--accent)}
@media (max-width:768px){
  .biz-tabs{flex-direction:column}
  .biz-tab{padding:18px 20px}
}

.biz-panel{
  display:none;padding:64px 0;border:1px solid var(--line);background:#fff;
}
.biz-panel.is-on{display:block}
.biz-panel .container{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:start}
.biz-panel h2{font-size:36px;margin-bottom:24px;line-height:1.2}
.biz-panel .lead{margin-bottom:32px}
.biz-feature{display:grid;grid-template-columns:1fr 1fr;gap:24px 32px;margin:32px 0}
.biz-feature dt{font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;color:var(--accent);text-transform:uppercase;margin-bottom:8px}
.biz-feature dd{font-size:15px;color:var(--ink-700);line-height:1.6}
.biz-visual{position:relative;aspect-ratio:4/5;background:var(--ink-900);overflow:hidden;border-radius:2px}
.biz-visual::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 70% 30%,rgba(207,90,31,.35),transparent 50%),
    linear-gradient(135deg,#0c0f14 0%,#1a3050 100%);
}
.biz-visual::before{
  content:attr(data-tag);position:absolute;left:32px;bottom:32px;z-index:1;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.25em;color:rgba(255,255,255,.6);
}
@media (max-width:900px){
  .biz-panel .container{grid-template-columns:1fr;gap:40px}
  .biz-feature{grid-template-columns:1fr}
  .biz-panel h2{font-size:28px}
}

/* ---------- 18. 通用 CTA ---------- */
.cta-band{background:var(--ink-900);color:#fff;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(700px 400px at 80% 50%,rgba(207,90,31,.18),transparent 60%),
    radial-gradient(500px 300px at 10% 50%,rgba(26,48,80,.3),transparent 60%);
}
.cta-band .container{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(28px,3.4vw,42px);line-height:1.2;max-width:18ch}
.cta-band p{color:rgba(255,255,255,.7);margin-top:20px;max-width:48ch}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:768px){
  .cta-band .container{grid-template-columns:1fr;gap:32px}
  .cta-band .actions{justify-content:flex-start}
}

/* ---------- 19. 通用页头（更小的页面顶部） ---------- */
.subpage-hero{
  padding:104px 0 44px;background:var(--paper);border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.subpage-hero::after{
  content:"";position:absolute;right:-100px;top:-100px;width:600px;height:600px;
  background:radial-gradient(circle,rgba(207,90,31,.06),transparent 60%);
}
.subpage-hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;align-items:end;gap:32px}
.subpage-hero h1{font-size:clamp(36px,4.5vw,56px);line-height:1.1;max-width:14ch}
.subpage-hero .bread{font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;color:var(--ink-400);text-transform:uppercase;display:flex;gap:8px;align-items:center;justify-content:flex-end}
.subpage-hero .bread .sep{opacity:.4}
.subpage-hero p.lead{margin-top:20px;max-width:54ch}
@media (max-width:768px){
  .subpage-hero{padding:120px 0 48px}
  .subpage-hero .container{grid-template-columns:1fr}
  .subpage-hero .bread{justify-content:flex-start}
}

/* ---------- 20. 页脚 ---------- */
.footer{background:var(--ink-900);color:#aab1c0;padding:80px 0 0;position:relative;overflow:hidden}
.footer::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 400px at 90% 0%,rgba(207,90,31,.08),transparent 60%);
  pointer-events:none;
}
.footer .container{position:relative;z-index:1}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:64px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer .brand-name b{color:#fff}
.footer .brand-name span{color:rgba(255,255,255,.5)}
.footer .brand-mark{background:var(--accent);color:#fff}
.footer-about{margin-top:20px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.6);max-width:36ch}
.footer h5{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;
  color:rgba(255,255,255,.5);text-transform:uppercase;margin-bottom:20px;font-weight:500;
}
.footer-nav li{margin-bottom:12px}
.footer-nav a{font-size:14px;color:rgba(255,255,255,.7);transition:color var(--t-fast)}
.footer-nav a:hover{color:#fff}
.footer-contact{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-contact b{display:block;color:#fff;font-weight:500;margin-bottom:4px}
.footer-contact .email{margin-top:12px;font-family:var(--f-mono);font-size:13px;letter-spacing:.02em}
.footer-bottom{padding:24px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-top:0;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.4);text-transform:uppercase}
.footer-bottom a:hover{color:#fff}
.footer-bottom .links{display:flex;gap:24px}
@media (max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:48px}
  .footer .brand,.footer .footer-about{grid-column:span 2}
}
@media (max-width:480px){
  .footer-top{grid-template-columns:1fr}
  .footer .brand,.footer .footer-about{grid-column:span 1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 21. 滚动动效 ---------- */
/* 默认可见：仅在 JS 标记 .is-armed 后才隐藏，这样无 JS / 截图工具下不会留白 */
.reveal{opacity:1;transform:none;transition:opacity .8s ease,transform .8s cubic-bezier(.2,.6,.2,1)}
.reveal.is-armed{opacity:0;transform:translateY(24px)}
.reveal.is-in{opacity:1;transform:none}
.reveal-stagger > *{opacity:1;transform:none;transition:opacity .6s ease,transform .6s cubic-bezier(.2,.6,.2,1)}
.reveal-stagger.is-armed > *{opacity:0;transform:translateY(16px)}
.reveal-stagger.is-in > *{opacity:1;transform:none}
.reveal-stagger.is-in > *:nth-child(1){transition-delay:.05s}
.reveal-stagger.is-in > *:nth-child(2){transition-delay:.1s}
.reveal-stagger.is-in > *:nth-child(3){transition-delay:.15s}
.reveal-stagger.is-in > *:nth-child(4){transition-delay:.2s}
.reveal-stagger.is-in > *:nth-child(5){transition-delay:.25s}
.reveal-stagger.is-in > *:nth-child(6){transition-delay:.3s}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal,.reveal-stagger > *,.reveal.is-armed,.reveal-stagger.is-armed > *{opacity:1!important;transform:none!important}
}

/* ---------- 22. 杂项 ---------- */
.skip-link{
  position:absolute;left:-9999px;top:0;
  background:var(--ink-900);color:#fff;padding:10px 16px;z-index:200;
}
.skip-link:focus{left:8px;top:8px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list li{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border:1px solid var(--line);color:var(--ink-500);border-radius:2px}
.tag-list li.on{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
/* ===== 悬浮客服 ===== */
.zfkf-float{position:fixed;right:20px;bottom:120px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.zfkf-item{position:relative;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.18);transition:all .25s;cursor:pointer}
.zfkf-item:hover{transform:scale(1.08);color:#fff}
.zfkf-phone{background:#2563eb}.zfkf-wechat{background:#07c160}.zfkf-consult{background:#f59e0b}.zfkf-top{background:#334155}
.zfkf-tip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;background:rgba(0,0,0,.78);color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .2s}
.zfkf-item:hover .zfkf-tip{opacity:1}
.zfkf-wechat-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:10000;display:none;align-items:center;justify-content:center}
.zfkf-wechat-mask.zfkf-show{display:flex}
.zfkf-wechat-box{background:#fff;border-radius:12px;padding:24px;text-align:center;position:relative}
.zfkf-wechat-box img{width:180px;height:180px;object-fit:contain;border:1px solid #eee;border-radius:8px}
.zfkf-wechat-noimg{width:180px;height:80px;display:flex;align-items:center;justify-content:center;background:#f6f7f9;border-radius:8px;font-size:16px;color:#07c160;font-weight:600}
.zfkf-wechat-box p{margin:12px 0 0;font-size:14px;color:#333}
.zfkf-wechat-close{position:absolute;top:8px;right:12px;font-size:22px;color:#666;cursor:pointer;line-height:1}
@media (max-width:768px){.zfkf-float{right:10px;bottom:100px}.zfkf-item{width:42px;height:42px}.zfkf-tip{display:none}}

/* ===== 资讯卡片网格（重排新增） ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  padding:28px;position:relative;
  transition:all var(--t-mid);
}
.post-card:hover{border-color:var(--ink-900);transform:translateY(-4px);box-shadow:var(--shadow-m)}
.post-card .post-tag{
  align-self:flex-start;
  font-family:var(--f-mono);font-size:10px;letter-spacing:.18em;
  color:var(--accent);text-transform:uppercase;
  padding:5px 10px;border:1px solid var(--accent-s);
  background:var(--accent-s);border-radius:2px;margin-bottom:18px;
}
.post-card h3{font-size:18px;line-height:1.45;margin-bottom:12px}
.post-card h3 a{transition:color var(--t-fast)}
.post-card h3 a:hover{color:var(--accent)}
.post-card p{font-size:14px;line-height:1.7;color:var(--ink-500);margin-bottom:20px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card .post-foot{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.post-card .post-meta{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-400);text-transform:uppercase;display:flex;gap:14px;flex-wrap:wrap}
.post-card .post-more{
  width:38px;height:38px;display:grid;place-items:center;flex-shrink:0;
  border:1px solid var(--line);border-radius:50%;color:var(--ink-700);
  transition:all var(--t-fast);
}
.post-card:hover .post-more{background:var(--ink-900);color:#fff;border-color:var(--ink-900);transform:translateX(4px)}
.post-card .post-more::after{content:"→"}
@media (max-width:900px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.news-grid{grid-template-columns:1fr}}

/* ===== 首页服务卡片（重排新增） ===== */
.home-svc{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.svc-card{
  background:#fff;border:1px solid var(--line);
  padding:30px 26px;display:flex;flex-direction:column;
  transition:all var(--t-mid);position:relative;overflow:hidden;
}
.svc-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t-mid);
}
.svc-card:hover{border-color:var(--ink-900);transform:translateY(-4px);box-shadow:var(--shadow-m)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-card .svc-num{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--ink-300);text-transform:uppercase;margin-bottom:16px}
.svc-card h3{font-size:20px;margin-bottom:10px}
.svc-card p{font-size:13.5px;line-height:1.65;color:var(--ink-500);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.svc-card .svc-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.18em;
  color:var(--ink-700);text-transform:uppercase;transition:color var(--t-fast);
}
.svc-card .svc-link::after{content:"→";transition:transform var(--t-fast)}
.svc-card:hover .svc-link{color:var(--accent)}
.svc-card:hover .svc-link::after{transform:translateX(4px)}
@media (max-width:1024px){.home-svc{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.home-svc{grid-template-columns:1fr}}

/* ===== 列表页资讯区（重排新增） ===== */
.list-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:36px;flex-wrap:wrap;
}
.list-head h2{font-size:clamp(24px,3vw,34px)}
.list-head .lead{max-width:48ch}
.news-list{display:flex;flex-direction:column}
.news-row{
  display:grid;grid-template-columns:180px 1fr auto;gap:28px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:padding var(--t-fast);
}
.news-row:hover{padding-left:12px}
.news-row .thumb{
  aspect-ratio:16/10;background:var(--ink-700);border-radius:2px;overflow:hidden;position:relative;
}
.news-row .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,var(--ink-700),var(--ink-900));
  transition:transform 1s cubic-bezier(.2,.6,.2,1);
}
.news-row:hover .thumb::after{transform:scale(1.06)}
.news-row h3{font-size:19px;line-height:1.4;margin-bottom:10px}
.news-row h3 a:hover{color:var(--accent)}
.news-row p{font-size:14px;line-height:1.65;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row .meta{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-400);text-transform:uppercase;margin-top:12px;display:flex;gap:16px}
.news-row .arr{
  align-self:center;width:42px;height:42px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:50%;color:var(--ink-700);
  transition:all var(--t-fast);
}
.news-row .arr::after{content:"→"}
.news-row:hover .arr{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
@media (max-width:768px){
  .news-row{grid-template-columns:1fr;gap:16px}
  .news-row .thumb{aspect-ratio:16/9}
  .news-row .arr{justify-self:end}
}

/* ===== 详情页正文（重排新增） ===== */
.article-wrap{max-width:860px;margin:0 auto}
.article-head{
  margin-bottom:36px;padding-bottom:32px;border-bottom:1px solid var(--line);
}
.article-head h1{font-size:clamp(28px,3.6vw,42px);line-height:1.25;margin-bottom:20px}
.article-head .meta{
  display:flex;flex-wrap:wrap;gap:20px;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;
  color:var(--ink-400);text-transform:uppercase;
}
.article-head .meta span{display:inline-flex;align-items:center;gap:8px}
.article-head .meta span::before{content:"";width:14px;height:1px;background:currentColor}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.article-tags .tag{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;
  padding:5px 10px;border:1px solid var(--line);color:var(--ink-600);
  border-radius:2px;
}
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px}
.article-nav a{
  display:flex;flex-direction:column;gap:6px;padding:20px 24px;
  border:1px solid var(--line);background:#fff;transition:all var(--t-fast);
}
.article-nav a:hover{border-color:var(--ink-900);background:var(--ink-900);color:#fff}
.article-nav .nav-label{font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;color:var(--ink-400);text-transform:uppercase}
.article-nav a:hover .nav-label{color:rgba(255,255,255,.6)}
.article-nav h4{font-size:15px;line-height:1.4}
.article-nav .next{text-align:right}
@media (max-width:640px){.article-nav{grid-template-columns:1fr}.article-nav .next{text-align:left}}
.page-body, .article-body { font-size: 15px; line-height: 1.85; color: var(--ink-700, #374151); }
.page-body p, .article-body p { margin-bottom: 16px; }
.page-body h2, .article-body h2 { font-size: 22px; font-weight: 700; margin: 28px 0 14px; color: var(--ink-900, #111827); }
.page-body h3, .article-body h3 { font-size: 18px; font-weight: 600; margin: 20px 0 10px; color: var(--ink-900, #111827); }
.page-body img, .article-body img { max-width: 100%; height: auto; }
.biz-icon { width: 40px; height: 40px; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 32px; }
.section-head { margin-bottom: 32px; }
.page-link { padding: 8px 14px; border: 1px solid var(--line, #ddd); color: var(--ink-700, #374151); font-size: 14px; text-decoration: none; border-radius: 4px; }
.page-link.is-active, .page-link:hover { background: var(--ink-900, #111827); color: var(--paper, #fff); border-color: var(--ink-900); }
.tag-link { padding: 4px 12px; border: 1px solid var(--line, #ddd); border-radius: 999px; font-size: 12px; color: var(--ink-700, #374151); text-decoration: none; display: inline-block; }
.tag-link:hover { background: var(--ink-900, #111827); color: var(--paper, #fff); border-color: var(--ink-900); }


/* ===== tz-rich-text typography (auto-appended) ===== */
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:first-child{margin-top:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:last-child{margin-bottom:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) p{margin:0 0 1.05em;line-height:1.9}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{margin:1.6em 0 .7em;line-height:1.4;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1{font-size:1.6em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{font-size:1.4em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h3{margin:1.4em 0 .6em;font-size:1.2em;line-height:1.45;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h4{margin:1.2em 0 .5em;font-size:1.08em;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h5,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h6{margin:1.1em 0 .5em;font-size:1em;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) ul,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) ol{margin:0 0 1.05em;padding-left:1.7em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) li{margin:.35em 0;line-height:1.8}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) img{max-width:100%;height:auto;border-radius:8px}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) figure{margin:1.2em 0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) figcaption{margin-top:.5em;font-size:.85em;opacity:.7;text-align:center}
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