/* ==========================================================
   南京松霖数字科技有限公司 · 官网样式
   ========================================================== */

:root{
  --brand:#0f766e;
  --brand-dark:#0b5d57;
  --brand-light:#14b8a6;
  --mint:#5eead4;
  --ink:#0d1b2a;
  --ink-2:#33475b;
  --muted:#6b7f93;
  --line:#e3e9ef;
  --bg:#ffffff;
  --bg-soft:#f6f9fa;
  --bg-tcm:#0f4f49;
  --gold:#d8a35b;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(13,27,42,.06);
  --shadow:0 10px 30px rgba(13,27,42,.08);
  --shadow-lg:0 22px 60px rgba(13,27,42,.14);
  --max:1200px;
  --ease:cubic-bezier(.22,.68,.35,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:78px}

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink-2);
  background:var(--bg);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4{color:var(--ink);line-height:1.3;margin:0 0 .5em;letter-spacing:-.01em}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 100%);
  color:#fff;box-shadow:0 8px 22px rgba(15,118,110,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(15,118,110,.36)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(15,118,110,.35)}
.btn-ghost:hover{background:rgba(15,118,110,.06);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn .arrow{transition:transform .25s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s,border-color .3s,background .3s;
}
.site-header.scrolled{box-shadow:var(--shadow-sm);border-bottom-color:var(--line);background:rgba(255,255,255,.94)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}

.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 100%);
  color:#fff;box-shadow:0 6px 16px rgba(15,118,110,.3);
}
.brand-mark svg{width:26px;height:26px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:18px;color:var(--ink);letter-spacing:.02em}
.brand-text em{font-size:10px;font-style:normal;letter-spacing:.16em;color:var(--muted)}

.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:8px 14px;font-size:15px;color:var(--ink-2);border-radius:8px;
  transition:color .25s,background .25s;
}
.nav-link:hover{color:var(--brand);background:rgba(15,118,110,.07)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand-light);
}
.nav-menu .btn{margin-left:10px}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;place-items:center;gap:5px;flex-direction:column;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 首屏 ---------- */
.hero{position:relative;padding:140px 0 0;overflow:hidden;background:
  linear-gradient(180deg,#f4fbfa 0%,#ffffff 60%);}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.glow-1{width:460px;height:460px;background:var(--mint);top:-140px;right:-80px}
.glow-2{width:380px;height:380px;background:#bfdbfe;bottom:-160px;left:-100px;opacity:.45}
.grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,118,110,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(15,118,110,.07) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse at 50% 30%,#000 20%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 20%,transparent 72%);
}

.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-bottom:70px}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;font-size:13px;color:var(--brand);
  background:rgba(15,118,110,.09);border:1px solid rgba(15,118,110,.18);font-weight:600;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-light);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}

.hero h1{font-size:clamp(34px,4.6vw,58px);margin:.45em 0 .5em;letter-spacing:-.02em}
.grad{background:linear-gradient(120deg,var(--brand) 10%,var(--brand-light) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:17px;color:var(--ink-2);max-width:600px;margin-bottom:28px}
.hero-desc strong{color:var(--brand);font-weight:600}

.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}

.hero-stats{display:flex;gap:42px;flex-wrap:wrap}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats b{font-size:30px;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--muted)}

/* 代码窗口 */
.hero-visual{position:relative;min-height:400px}
.code-window{
  border-radius:18px;overflow:hidden;background:#0d1b2a;
  box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.08);
  transform:perspective(1200px) rotateY(-6deg) rotateX(3deg);
  transition:transform .6s var(--ease);
}
.hero-visual:hover .code-window{transform:perspective(1200px) rotateY(0) rotateX(0)}
.cw-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.07)}
.cw-bar i{width:10px;height:10px;border-radius:50%;background:#5b6b7d}
.cw-bar i:nth-child(1){background:#ef6b6b}
.cw-bar i:nth-child(2){background:#f0b34a}
.cw-bar i:nth-child(3){background:#4ec98a}
.cw-bar span{margin-left:8px;font-size:12px;color:#8fa3b8}
.cw-body{margin:0;padding:20px 22px;overflow-x:auto}
.cw-body code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-size:13.5px;line-height:2;color:#d7e3ee;white-space:pre}
.c-cmt{color:#6b8299}
.c-key{color:#c792ea}
.c-var{color:#82d2ff}
.c-str{color:#a8e6a1}
.c-prop{color:#ffcb6b}
.c-fn{color:#82d2ff}

.float-card{
  position:absolute;display:flex;align-items:center;gap:11px;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px 15px;
  box-shadow:var(--shadow);animation:float 5s ease-in-out infinite;
}
.float-card b{display:block;font-size:13.5px;color:var(--ink);line-height:1.4}
.float-card small{font-size:11.5px;color:var(--muted)}
.fc-icon{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,rgba(20,184,166,.16),rgba(15,118,110,.1));
  color:var(--brand);font-size:15px;font-weight:700;
}
.fc-1{top:12px;right:-6px;animation-delay:.3s}
.fc-2{top:50%;right:-42px;animation-delay:1.2s}
.fc-3{bottom:34px;left:-34px;animation-delay:.7s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* 技术栈跑马灯 */
.tech-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.7);backdrop-filter:blur(6px)}
.marquee{overflow:hidden;position:relative;padding:16px 0;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);}
.marquee-track{display:flex;gap:44px;width:max-content;animation:scroll-x 38s linear infinite}
.marquee-track span{font-size:14px;color:var(--muted);white-space:nowrap;font-weight:500;letter-spacing:.02em}
@keyframes scroll-x{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;position:relative}
.sec-head{max-width:720px;margin:0 auto 56px;text-align:center}
.sec-tag{
  display:inline-block;font-size:12px;letter-spacing:.2em;color:var(--brand);
  font-weight:700;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px;margin:0}
.sec-head.light h2,.sec-head.light .sec-tag{color:#fff}
.sec-head.light p{color:rgba(255,255,255,.78)}

/* ---------- 业务卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-light));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(15,118,110,.25)}
.card:hover::before{transform:scaleX(1)}
.card-icon{
  width:50px;height:50px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(20,184,166,.14),rgba(15,118,110,.08));color:var(--brand);
}
.card-icon svg{width:25px;height:25px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list li{font-size:12px;padding:4px 11px;border-radius:6px;background:var(--bg-soft);color:var(--ink-2);border:1px solid var(--line)}

/* ---------- 中医平台 ---------- */
.tcm-section{background:linear-gradient(160deg,#0f4f49 0%,#0d3b39 55%,#123f3c 100%);color:rgba(255,255,255,.82);overflow:hidden}
.tcm-deco{
  position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:radial-gradient(circle at 12% 20%,var(--gold) 0,transparent 38%),
                   radial-gradient(circle at 88% 78%,var(--mint) 0,transparent 40%);
}
.tcm-section .container{position:relative}
.tcm-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}

.feature-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.feature-list li:last-child{border-bottom:none}
.fl-icon{
  width:44px;height:44px;border-radius:12px;flex:none;display:grid;place-items:center;font-size:20px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
}
.feature-list h4{color:#fff;font-size:16.5px;margin:0 0 4px}
.feature-list p{font-size:14.5px;margin:0;color:rgba(255,255,255,.72)}

/* 平台界面示意 */
.tcm-mock{position:relative}
.mock-window{
  border-radius:16px;overflow:hidden;background:#fff;box-shadow:var(--shadow-lg);
  border:1px solid rgba(0,0,0,.06);
}
.mw-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;background:#f1f5f7;border-bottom:1px solid var(--line)}
.mw-bar i{width:9px;height:9px;border-radius:50%;background:#cbd5e1}
.mw-bar span{margin-left:8px;font-size:12px;color:var(--muted)}
.mw-body{display:grid;grid-template-columns:130px 1fr;min-height:392px}
.mw-side{background:#f8fbfa;border-right:1px solid var(--line);padding:14px 12px;display:flex;flex-direction:column;gap:6px}
.mw-logo{font-size:14px;font-weight:700;color:var(--brand);margin-bottom:10px;padding-left:6px}
.mw-nav{font-size:12.5px;padding:7px 8px;border-radius:8px;color:var(--ink-2)}
.mw-nav.active{background:rgba(15,118,110,.1);color:var(--brand);font-weight:600}
.mw-main{padding:14px 16px;display:flex;flex-direction:column;gap:12px}
.mw-top{display:flex;align-items:center;gap:10px}
.mw-search{flex:1;font-size:12px;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:7px 14px}
.mw-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--brand-light),var(--brand))}
.mw-banner{background:linear-gradient(120deg,rgba(15,118,110,.1),rgba(20,184,166,.14));border:1px solid rgba(15,118,110,.16);border-radius:12px;padding:13px 15px}
.mw-banner b{display:block;font-size:13.5px;color:var(--ink)}
.mw-banner small{font-size:11.5px;color:var(--muted)}
.mw-progress{height:6px;border-radius:99px;background:rgba(15,118,110,.16);margin-top:9px;overflow:hidden}
.mw-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-light));border-radius:99px}
.mw-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mw-card{border:1px solid var(--line);border-radius:11px;padding:11px 13px;background:#fff;transition:.3s}
.mw-card:hover{border-color:var(--brand-light);transform:translateY(-2px)}
.mw-card span{display:block;font-size:13px;color:var(--ink);font-weight:600}
.mw-card small{font-size:11px;color:var(--muted)}
.mw-ai{background:#0d1b2a;border-radius:12px;padding:13px 15px;color:#dbe7f1}
.mw-ai b{font-size:11.5px;color:var(--mint);letter-spacing:.06em}
.mw-ai p{margin:6px 0 0;font-size:12px;line-height:1.6}
.mw-ai .mw-answer{color:#a9c3d6}
.mock-badge{
  position:absolute;bottom:-16px;left:24px;background:#fff;color:var(--brand);
  font-size:12.5px;font-weight:600;padding:9px 16px;border-radius:999px;box-shadow:var(--shadow);
}

.tcm-note{
  margin-top:52px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:22px 28px;
  background:rgba(255,255,255,.06);
}
.tcm-note b{display:block;color:#fff;font-size:16px;margin-bottom:4px}
.tcm-note span{font-size:14px;color:rgba(255,255,255,.74)}

/* ---------- 解决方案 ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.sol{
  position:relative;padding:32px 26px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--bg-soft),#fff);border:1px solid var(--line);
  transition:.35s var(--ease);overflow:hidden;
}
.sol:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(15,118,110,.28)}
.sol-num{font-size:36px;font-weight:800;color:rgba(15,118,110,.14);line-height:1;display:block;margin-bottom:14px}
.sol h3{font-size:17.5px;margin-bottom:8px}
.sol p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 交付流程 ---------- */
.process-section{background:var(--bg-soft)}
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;counter-reset:none}
.steps li{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 20px;text-align:center;transition:.35s var(--ease);
}
.steps li:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(15,118,110,.28)}
.steps li:not(:last-child)::after{
  content:"→";position:absolute;right:-15px;top:50%;transform:translateY(-50%);
  color:var(--brand-light);font-size:15px;
}
.steps span{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));color:#fff;font-weight:700;font-size:15px;
}
.steps b{display:block;font-size:15.5px;color:var(--ink);margin-bottom:6px}
.steps p{font-size:13px;color:var(--muted);margin:0}

/* ---------- 关于我们 ---------- */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start}
.about-copy h2{font-size:clamp(25px,3vw,34px);margin-bottom:18px}
.about-copy p{font-size:15.5px;color:var(--ink-2)}
.about-copy strong{color:var(--brand)}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.value-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;background:var(--bg-soft);
}
.value-item b{display:block;color:var(--ink);font-size:15px;margin-bottom:3px}
.value-item span{font-size:12.5px;color:var(--muted)}

.about-scope{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
}
.about-scope h3{font-size:19px;margin-bottom:6px}
.scope-tip{font-size:12px;color:var(--muted);margin-bottom:16px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.scope-list li{
  position:relative;padding-left:18px;font-size:13.5px;color:var(--ink-2);margin-bottom:9px;line-height:1.6;
}
.scope-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--brand-light);
}

/* ---------- 联系我们 ---------- */
.contact-section{background:linear-gradient(180deg,#fff 0%,#f4fbfa 100%)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:16px}
.ci-note{
  background:linear-gradient(150deg,rgba(15,118,110,.08),rgba(20,184,166,.05));
  border:1px solid rgba(15,118,110,.2);border-radius:var(--radius);padding:24px 26px;
}
.ci-note h3{font-size:18px;margin-bottom:8px}
.ci-note p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.85}
.ci-address{border-color:rgba(15,118,110,.28)}
.ci-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);transition:.3s var(--ease);
}
.ci-item:hover{border-color:rgba(15,118,110,.3);transform:translateX(4px)}
.ci-icon{
  width:42px;height:42px;border-radius:11px;flex:none;display:grid;place-items:center;color:var(--brand);
  background:linear-gradient(135deg,rgba(20,184,166,.14),rgba(15,118,110,.08));
}
.ci-icon svg{width:21px;height:21px}
.ci-item b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:2px}
.ci-item span{font-size:14px;color:var(--muted)}

.contact-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;
  box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;color:var(--ink);font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:14px;color:var(--ink);
  padding:11px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fbfdfd;
  transition:border-color .25s,box-shadow .25s;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(20,184,166,.14);background:#fff;
}
.field textarea{resize:vertical}
.field .err{color:#d1493c;font-size:12px;margin-top:5px;min-height:16px;display:block}
.contact-form .btn{grid-column:1/-1;justify-content:center}
.form-tip{grid-column:1/-1;font-size:13.5px;margin:0;color:var(--brand);min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#93a7b8;padding:56px 0 24px}
.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.1)}
.f-brand{display:flex;gap:14px;max-width:520px}
.f-brand strong{color:#fff;font-size:16.5px;display:block;margin-bottom:6px}
.f-brand p{font-size:13px;margin:0;color:#8ea3b5}
.f-links{display:flex;gap:26px;flex-wrap:wrap;align-items:center}
.f-links a{font-size:14px;transition:color .25s}
.f-links a:hover{color:var(--mint)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:12.5px;color:#7c8fa1}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .steps li:not(:last-child)::after{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:560px}
  .fc-2{right:0}
  .fc-3{left:0}
  .tcm-layout{grid-template-columns:1fr;gap:40px}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
}

@media (max-width:860px){
  .nav-toggle{display:grid}
  .nav-menu{
    position:fixed;top:72px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 20px;
    box-shadow:var(--shadow);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.28s var(--ease);
  }
  .nav-menu.open{transform:none;opacity:1;visibility:visible}
  .nav-menu .nav-link{padding:13px 4px;border-bottom:1px solid var(--line);border-radius:0;background:none}
  .nav-link.active::after{display:none}
  .nav-menu .btn{margin:16px 0 0;justify-content:center}
}

@media (max-width:640px){
  .section{padding:64px 0}
  .hero{padding-top:104px}
  .card-grid,.sol-grid,.values{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero-stats{gap:26px}
  .hero-stats b{font-size:25px}
  .contact-form{grid-template-columns:1fr;padding:24px}
  .mw-body{grid-template-columns:1fr}
  .mw-side{flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--line)}
  .mw-cards{grid-template-columns:1fr}
  .tcm-note{padding:20px}
  .footer-inner{flex-direction:column}
}

/* ---------- 线索管理系统 ---------- */
.leads-section{background:var(--bg-soft)}
.funnel{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:44px}
.funnel-stage{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 16px;text-align:center;transition:.35s var(--ease);
}
.funnel-stage:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(15,118,110,.3)}
.funnel-stage:not(:last-child)::after{
  content:"";position:absolute;right:-12px;top:50%;transform:translateY(-50%);
  width:12px;height:12px;border-top:2px solid var(--brand-light);border-right:2px solid var(--brand-light);
  transform:translateY(-50%) rotate(45deg);
}
.funnel-stage b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:4px}
.funnel-stage span{font-size:12.5px;color:var(--muted)}

.leads-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:start}
.leads-caps{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cap{
  display:flex;gap:12px;padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);transition:.3s var(--ease);
}
.cap:hover{border-color:rgba(15,118,110,.3);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.cap-ico{
  width:36px;height:36px;border-radius:10px;flex:none;display:grid;place-items:center;font-size:17px;
  background:linear-gradient(135deg,rgba(20,184,166,.15),rgba(15,118,110,.08));
}
.cap h3{font-size:15px;margin:0 0 4px}
.cap p{font-size:12.8px;color:var(--muted);margin:0;line-height:1.65}

.leads-mock{position:relative}
.lm-window{border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg)}
.lm-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;background:#f1f5f7;border-bottom:1px solid var(--line)}
.lm-bar i{width:9px;height:9px;border-radius:50%;background:#cbd5e1}
.lm-bar span{margin-left:8px;font-size:12px;color:var(--muted)}
.lm-body{padding:14px 16px}
.lm-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.lm-tab{font-size:12px;padding:5px 11px;border-radius:7px;color:var(--ink-2);background:var(--bg-soft)}
.lm-tab.active{background:rgba(15,118,110,.12);color:var(--brand);font-weight:600}
.lm-search{margin-left:auto;font-size:11.5px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.lm-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
.lm-summary div{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:10px;text-align:center}
.lm-summary b{display:block;font-size:19px;color:var(--ink);line-height:1.3}
.lm-summary span{font-size:11.5px;color:var(--muted)}
.lm-table{width:100%;border-collapse:collapse;font-size:12.5px}
.lm-table th{text-align:left;font-weight:600;color:var(--muted);padding:8px 6px;border-bottom:1px solid var(--line);font-size:11.5px}
.lm-table td{padding:9px 6px;border-bottom:1px solid #f1f5f7;color:var(--ink-2)}
.src{display:inline-block;font-size:11px;padding:2px 8px;border-radius:5px}
.src-web{background:rgba(15,118,110,.12);color:var(--brand)}
.src-xhs{background:rgba(255,46,77,.12);color:#e02442}
.src-dy{background:rgba(17,17,17,.08);color:#333}
.src-ads{background:rgba(37,99,235,.1);color:#2563eb}
.score{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:5px}
.score.high{background:#e02442}
.score.mid{background:#f0a13c}
.score.low{background:#94a3b8}
.st{font-size:11px;padding:2px 8px;border-radius:5px}
.st-new{background:rgba(240,161,60,.14);color:#b4720f}
.st-ing{background:rgba(15,118,110,.12);color:var(--brand)}
.st-done{background:rgba(34,197,94,.14);color:#17803d}
.lm-notify{
  margin-top:12px;background:#0d1b2a;border-radius:10px;padding:11px 14px;color:#c9dced;font-size:12px;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.lm-badge{background:var(--brand);color:#fff;font-size:11px;padding:3px 9px;border-radius:5px;font-weight:600}

/* ---------- 社媒线索 ---------- */
.social-section{background:#fff}
.social-channels{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:36px}
.ch{border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;background:#fff;transition:.35s var(--ease)}
.ch:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.ch-head{display:flex;align-items:baseline;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.ch-logo{font-size:19px;font-weight:800}
.ch-note{font-size:12.5px;color:var(--muted)}
.ch-xhs{border-top:3px solid #ff2e4d}
.ch-xhs .ch-logo{color:#ff2e4d}
.ch-dy{border-top:3px solid #111827}
.ch-dy .ch-logo{color:#111827}
.ch ul li{position:relative;padding-left:18px;font-size:14px;margin-bottom:8px;color:var(--ink-2)}
.ch ul li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand-light);font-size:12px}

.social-flow{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-bottom:36px}
.sf-step{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 12px;text-align:center;
  transition:.3s var(--ease);
}
.sf-step:hover{border-color:rgba(15,118,110,.3);transform:translateY(-3px)}
.sf-step span{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;margin:0 auto 10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));color:#fff;font-size:13px;font-weight:700;
}
.sf-step b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:3px}
.sf-step p{font-size:12px;color:var(--muted);margin:0}

.social-caps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.social-caps .cap{background:var(--bg-soft)}

.geo-summary{
  margin-top:40px;border-left:4px solid var(--brand-light);background:var(--bg-soft);
  border-radius:0 var(--radius) var(--radius) 0;padding:22px 26px;
}
.geo-summary h3{font-size:16px;margin-bottom:8px}
.geo-summary p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.9}

/* ---------- 公司名片（实体信息） ---------- */
.entity-card{
  margin-top:34px;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;background:var(--bg-soft);
}
.entity-card h3{font-size:18px;margin-bottom:16px}
.entity-card dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 28px}
.entity-card dl > div{display:flex;gap:12px;padding-bottom:10px;border-bottom:1px dashed var(--line)}
.entity-card dt{flex:none;width:74px;font-size:13px;color:var(--muted);font-weight:600}
.entity-card dd{margin:0;font-size:14px;color:var(--ink-2)}

/* ---------- 常见问题 ---------- */
.faq-section{background:var(--bg-soft)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:.3s}
.faq-item:hover{border-color:rgba(15,118,110,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-family:inherit;font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-q i{
  position:relative;width:16px;height:16px;flex:none;
}
.faq-q i::before,.faq-q i::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .3s var(--ease);
}
.faq-q i::before{top:7px;left:0;width:16px;height:2px}
.faq-q i::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-q i::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.faq-a p{padding:0 20px 18px;margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.9}

/* ---------- 页脚 AI 索引链接 ---------- */
.footer-bottom a{color:#7c8fa1;transition:color .25s}
.footer-bottom a:hover{color:var(--mint)}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式补充 ---------- */
@media (max-width:1080px){
  .leads-grid{grid-template-columns:1fr;gap:28px}
  .social-caps{grid-template-columns:repeat(2,1fr)}
  .social-flow{grid-template-columns:repeat(3,1fr)}
  .funnel{grid-template-columns:repeat(2,1fr)}
  .funnel-stage::after{display:none}
  .nav-menu{gap:2px}
}

@media (max-width:860px){
  .nav-link{padding:8px 10px;font-size:14.5px}
}

@media (max-width:640px){
  .leads-caps,.social-channels,.social-caps,.entity-card dl{grid-template-columns:1fr}
  .social-flow{grid-template-columns:repeat(2,1fr)}
  .funnel{grid-template-columns:1fr}
  .lm-summary{grid-template-columns:1fr}
  .lm-table{font-size:11.5px}
  .lm-table th:nth-child(4),.lm-table td:nth-child(4){display:none}
}