/* =====================================================
   长沙德才知翌 · 企业官网设计系统
   工商 + 财税 一站式企业服务
   ===================================================== */
:root{
  --ink:#0A1A15; --ink2:#10251D; --ink3:#163328;
  --brand:#00C48A; --brand-deep:#0E6B4F; --brand-soft:#E2F5EC;
  --paper:#F6F7F3; --paper2:#EEF3EE; --sand:#EFEAE0;
  --text:#14241E; --text2:#5A6B64; --line:rgba(20,36,30,.13);
  /* 系统字体栈：iOS 苹方 / 鸿蒙 HarmonyOS Sans / 安卓 Noto CJK / Windows 雅黑 */
  --font-sans:-apple-system,BlinkMacSystemFont,'PingFang SC','HarmonyOS Sans SC','HarmonyOS Sans','Noto Sans CJK SC','Noto Sans SC','Source Han Sans SC','Microsoft YaHei',sans-serif;
  --font-num:-apple-system,'SF Pro Display','Segoe UI Variable Display','Segoe UI',Roboto,'HarmonyOS Sans','Noto Sans',Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--paper);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
.num,.en{font-family:var(--font-num);font-variant-numeric:tabular-nums}
a{color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
@media(max-width:720px){.wrap{padding:0 20px}}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(10,26,21,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-in{max-width:1240px;margin:0 auto;padding:0 28px;height:66px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none;font-weight:900;letter-spacing:.02em;font-size:18px}
.logo .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#0E6B4F);display:inline-flex;align-items:center;justify-content:center;flex:none}
.logo .mark svg{width:19px;height:19px}
.logo small{display:block;font-size:10px;font-weight:500;color:#8FB3A4;letter-spacing:.22em;line-height:1;margin-top:3px}
.logo .tt{line-height:1.1}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:#B9CEC4;text-decoration:none;font-size:14.5px;font-weight:600;padding:8px 14px;border-radius:999px;transition:.2s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.on{color:var(--brand);background:rgba(0,196,138,.12)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-tel{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:700;font-size:15px}
.nav-tel svg{width:16px;height:16px;color:var(--brand)}
.nav-tel:hover{color:var(--brand)}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.m-menu{display:none;background:var(--ink2);border-top:1px solid rgba(255,255,255,.08)}
.m-menu a{display:block;padding:15px 28px;color:#B9CEC4;text-decoration:none;font-size:15.5px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.05)}
.m-menu a.on{color:var(--brand)}
@media(max-width:920px){
  .nav-links,.nav-tel{display:none}
  .burger{display:block}
  .m-menu.open{display:block}
}

/* ===== Hero ===== */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:-6% -2% -12%;background:url('img/hero-terrain.jpg') center/cover no-repeat;opacity:.55}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,26,21,.97) 0%,rgba(10,26,21,.82) 50%,rgba(10,26,21,.35) 100%),linear-gradient(0deg,rgba(10,26,21,.92) 0%,transparent 36%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,196,138,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(0,196,138,.09) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse 70% 80% at 75% 40%,#000 20%,transparent 70%)}
.hero-in{position:relative;z-index:2;max-width:1240px;margin:0 auto;padding:112px 28px 84px}
.kicker{display:flex;align-items:center;gap:12px;color:#8FB3A4;font-size:13.5px;letter-spacing:.14em;margin-bottom:24px}
.kicker::before{content:"";width:38px;height:1px;background:var(--brand)}
.hero h1{font-size:54px;line-height:1.22;font-weight:900;letter-spacing:.005em;max-width:840px}
.hero h1 .g{color:var(--brand)}
.hero .lead{color:#B9CEC4;font-size:17.5px;max-width:640px;margin-top:22px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 30px;font-size:15.5px;font-weight:700;text-decoration:none;cursor:pointer;transition:.2s;border:none}
.btn-brand{background:var(--brand);color:var(--ink)}
.btn-brand:hover{background:#2FE0AC}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.32)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);color:#9DB8AD;font-size:13.5px}
.trust .t{display:flex;align-items:center;gap:9px}
.trust svg{width:16px;height:16px;flex:none}
@media(max-width:720px){
  .hero-in{padding:68px 20px 56px}
  .hero h1{font-size:34px}
  .hero .lead{font-size:15.5px}
}

/* ===== 通用章节 ===== */
section{padding:88px 0}
.sec-head{max-width:760px;margin-bottom:46px}
.sec-eyebrow{display:flex;align-items:center;gap:10px;color:var(--brand-deep);font-size:13.5px;font-weight:700;letter-spacing:.16em;margin-bottom:16px}
.sec-eyebrow::before{content:"";width:26px;height:1.5px;background:var(--brand)}
.sec-title{font-size:36px;line-height:1.3;font-weight:900;letter-spacing:.005em}
.sec-desc{color:var(--text2);font-size:16.5px;margin-top:16px;max-width:640px}
.dark{background:var(--ink);color:#fff}
.dark .sec-eyebrow{color:var(--brand)}
.dark .sec-desc{color:#9DB8AD}
@media(max-width:720px){section{padding:60px 0}.sec-title{font-size:27px}}

/* ===== 信任数据 ===== */
.stats{background:var(--paper2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.stats-in{max-width:1240px;margin:0 auto;padding:0 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat .num{font-size:42px;font-weight:700;color:var(--ink);line-height:1.1}
.stat .num em{font-style:normal;color:var(--brand-deep)}
.stat .lbl{color:var(--text2);font-size:14px;margin-top:8px}
@media(max-width:900px){.stats-in{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.stat .num{font-size:32px}}

/* ===== 双业务板块 ===== */
.dual{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.dual-card{border-radius:18px;padding:40px 38px;position:relative;overflow:hidden;text-decoration:none;display:block;transition:transform .25s}
.dual-card:hover{transform:translateY(-4px)}
.dual-card.hr{background:linear-gradient(135deg,#0E6B4F,#0A3A2C);color:#fff}
.dual-card.fin{background:linear-gradient(135deg,#062B21,#0E6B4F);color:#fff}
.dual-card::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(0,196,138,.35),transparent 70%)}
.dual-card .k{font-size:13px;letter-spacing:.14em;color:#9BE3C8;font-weight:700;margin-bottom:14px}
.dual-card h3{font-size:27px;font-weight:900;margin-bottom:12px}
.dual-card p{color:#C6DDD3;font-size:15px;max-width:420px}
.dual-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.dual-card .tag{font-size:12.5px;color:#E4FFF4;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:4px 12px;border-radius:999px}
.dual-card .go{display:inline-block;margin-top:24px;color:var(--brand);font-weight:700;font-size:14.5px;border-bottom:1.5px solid var(--brand);padding-bottom:2px}
@media(max-width:900px){.dual{grid-template-columns:1fr}}

/* ===== 服务卡片 ===== */
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.prod:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(10,26,21,.08)}
.prod .ic{width:46px;height:46px;border-radius:12px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.prod .ic svg{width:24px;height:24px;stroke:var(--brand-deep)}
.prod .badge{display:inline-block;font-size:11.5px;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:2px 10px;margin-bottom:10px;align-self:flex-start}
.prod h3{font-size:18.5px;font-weight:900;margin-bottom:8px}
.prod p{color:var(--text2);font-size:14px;flex:1}
.prod .meta{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--text2);display:flex;align-items:center;justify-content:space-between;gap:10px}
.prod .price{color:var(--brand-deep);font-weight:700;font-size:13.5px}
.prod .link{color:var(--brand-deep);font-weight:700;font-size:13px;text-decoration:none;border-bottom:1.5px solid var(--brand);padding-bottom:1px;white-space:nowrap}
@media(max-width:1080px){.prods{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.prods{grid-template-columns:1fr}}

/* ===== 套餐 ===== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 28px;display:flex;flex-direction:column}
.plan.hot{border:1.5px solid var(--brand);box-shadow:0 0 0 3px rgba(0,196,138,.12)}
.plan .p-name{font-size:17px;font-weight:900;display:flex;align-items:center;justify-content:space-between}
.plan .p-name .hot-tag{font-size:11px;color:#fff;background:var(--brand-deep);border-radius:999px;padding:2px 10px;font-weight:700}
.plan .p-price{margin:16px 0 4px}
.plan .p-price .cur{font-size:14px;color:var(--text2)}
.plan .p-price .amt{font-family:var(--font-num);font-size:38px;font-weight:700;color:var(--ink)}
.plan .p-price .unit{font-size:13px;color:var(--text2)}
.plan ul{list-style:none;margin-top:14px;flex:1}
.plan li{font-size:13.8px;color:var(--text2);padding:7px 0 7px 22px;position:relative;border-bottom:1px dashed var(--line)}
.plan li::before{content:"";position:absolute;left:0;top:14px;width:9px;height:9px;border:1.5px solid var(--brand);border-radius:50%}
.plan .btn{width:100%;margin-top:20px;font-size:14.5px;padding:11px}
.plan-note{font-size:13px;color:var(--text2);margin-top:22px}
@media(max-width:960px){.plans{grid-template-columns:1fr;max-width:520px;margin:0 auto}}

/* ===== 优势 ===== */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 60px}
.why-item{padding:28px 0 32px;border-top:1px solid var(--line)}
.why-item h3{font-size:20px;font-weight:900;margin-bottom:10px;display:flex;align-items:center;gap:12px}
.why-item h3 .ic{width:34px;height:34px;border-radius:9px;background:var(--brand-soft);display:inline-flex;align-items:center;justify-content:center;flex:none}
.why-item h3 .ic svg{width:18px;height:18px;stroke:var(--brand-deep)}
.why-item p{color:var(--text2);font-size:15px}
@media(max-width:900px){.why-grid{grid-template-columns:1fr}}

/* ===== MVV ===== */
.mvv{position:relative;overflow:hidden}
.mvv-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,196,138,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(0,196,138,.07) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 90% 80% at 20% 0%,#000 10%,transparent 75%)}
.mvv .wrap{position:relative}
.mvv .big-line{font-size:38px;font-weight:900;line-height:1.35;max-width:820px;margin-bottom:56px}
.mvv .big-line .g{color:var(--brand)}
.mvv-cols{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:44px}
.mvv-col h4{font-size:14px;color:var(--brand);font-weight:700;letter-spacing:.14em;margin-bottom:16px}
.mvv-col .t{font-size:21px;font-weight:900;line-height:1.5}
.mvv-col p{color:#9DB8AD;font-size:15px;margin-top:12px}
.vals{border-left:1px solid rgba(255,255,255,.14);padding-left:34px}
.val{display:flex;gap:18px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.val:last-child{border-bottom:none}
.val .idx{font-family:var(--font-num);color:var(--brand);font-weight:700;flex:none;margin-top:2px}
.val b{display:block;font-size:16.5px;font-weight:700}
.val span{color:#9DB8AD;font-size:14.5px}
@media(max-width:900px){.mvv .big-line{font-size:28px}.mvv-cols{grid-template-columns:1fr;gap:32px}.vals{border-left:none;padding-left:0}}

/* ===== 创始人 ===== */
.founder{display:grid;grid-template-columns:380px 1fr;gap:60px;align-items:center}
.founder-photo .frame{aspect-ratio:4/5;border-radius:18px;overflow:hidden;position:relative;background:var(--ink2)}
.founder-photo .frame img{width:100%;height:100%;object-fit:cover;object-position:center 30%;transform:scale(1.07);transform-origin:center 40%}
.founder-photo .cap{font-size:12.5px;color:var(--text2);text-align:center;margin-top:12px}
.founder-txt .role{font-size:14px;font-weight:700;color:var(--brand-deep);letter-spacing:.12em;margin-bottom:10px}
.founder-txt h3{font-size:30px;font-weight:900;margin-bottom:4px}
.founder-txt .en{color:var(--text2);font-size:13.5px;letter-spacing:.1em;margin-bottom:20px}
.founder-txt p{color:var(--text2);font-size:15.5px;margin-bottom:14px}
.founder-txt .quote{border-left:3px solid var(--brand);padding:6px 0 6px 20px;font-size:17px;font-weight:700;color:var(--text);margin-top:20px}
@media(max-width:900px){.founder{grid-template-columns:1fr;gap:34px}.founder-photo .frame{max-width:340px}}

/* ===== 客户案例 ===== */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;text-decoration:none;display:block}
.case:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(10,26,21,.08)}
.case .cover{aspect-ratio:16/9;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.case .cover .glyph{font-family:var(--font-num);font-size:56px;font-weight:700;color:rgba(255,255,255,.9);letter-spacing:.04em}
.case .cover .ind{position:absolute;left:14px;top:12px;font-size:11.5px;color:#E4FFF4;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:3px 11px;border-radius:999px;backdrop-filter:blur(4px)}
.case .cover.c1{background:linear-gradient(135deg,#0E6B4F,#163328)}
.case .cover.c2{background:linear-gradient(135deg,#163328,#0A3A2C)}
.case .cover.c3{background:linear-gradient(135deg,#0A3A2C,#0E6B4F)}
.case .cover.c4{background:linear-gradient(135deg,#0E6B4F,#062B21)}
.case .cover.c5{background:linear-gradient(135deg,#10251D,#0E6B4F)}
.case .cover.c6{background:linear-gradient(135deg,#062B21,#10251D)}
.case .cap{padding:16px 18px 18px}
.case .cap b{display:block;font-size:15px;font-weight:800;color:var(--text);line-height:1.5}
.case .cap span{display:block;font-size:13.5px;color:var(--text2);margin-top:6px;line-height:1.65}
@media(max-width:900px){.cases-grid{grid-template-columns:repeat(2,1fr);gap:14px}}
@media(max-width:560px){.cases-grid{grid-template-columns:1fr}}

/* ===== 客户评价 ===== */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 26px;display:flex;flex-direction:column;gap:16px}
.quote-card .qm{font-family:var(--font-num);font-size:44px;line-height:.7;color:var(--brand);font-weight:700}
.quote-card p{font-size:14.5px;color:var(--text);line-height:1.85;flex:1}
.quote-card .who{border-top:1px dashed var(--line);padding-top:14px}
.quote-card .who b{display:block;font-size:14.5px;font-weight:800}
.quote-card .who span{font-size:12.5px;color:var(--text2)}
@media(max-width:900px){.quotes{grid-template-columns:1fr}}

/* ===== 服务流程 ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step}
.flow-step{position:relative;padding:28px 26px 8px 26px;border-top:2px solid var(--line);margin-right:18px;counter-increment:step}
.flow-step::before{content:"0" counter(step);position:absolute;top:-15px;left:0;background:var(--paper);padding-right:12px;font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--brand-deep)}
.flow-step h4{font-size:17px;font-weight:900;margin-bottom:8px}
.flow-step p{color:var(--text2);font-size:14px}
@media(max-width:900px){.flow{grid-template-columns:1fr 1fr;row-gap:26px}}
@media(max-width:560px){.flow{grid-template-columns:1fr}}

/* ===== CTA ===== */
.cta{background:var(--ink);color:#fff;position:relative;overflow:hidden;text-align:center;padding:88px 0}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 50% 0%,rgba(0,196,138,.16),transparent 65%)}
.cta .wrap{position:relative}
.cta h2{font-size:36px;font-weight:900;line-height:1.35}
.cta p{color:#9DB8AD;margin-top:14px;font-size:16px}
.cta .btn{margin-top:32px}
.cta-contact{display:flex;flex-wrap:wrap;justify-content:center;gap:32px;margin-top:38px;color:#8FB3A4;font-size:14.5px}
.cta-contact b{color:#fff;font-weight:600}
.cta-contact a{color:#8FB3A4;text-decoration:none}
.cta-contact a:hover{color:var(--brand)}
@media(max-width:720px){.cta h2{font-size:27px}}

/* ===== 页脚 ===== */
footer{background:#07130F;color:#8FB3A4;font-size:13.5px}
.foot-in{max-width:1240px;margin:0 auto;padding:52px 28px 30px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.foot-in h5{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px}
.foot-in a{display:block;color:#8FB3A4;text-decoration:none;margin-bottom:10px}
.foot-in a:hover{color:var(--brand)}
.foot-brand p{color:#8FB3A4;margin-top:14px;max-width:280px;font-size:13px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 28px;text-align:center;color:#5E7A6F;font-size:12.5px}
.foot-bottom a{color:#5E7A6F}
@media(max-width:900px){.foot-in{grid-template-columns:1fr 1fr}}

/* ===== 子页 Hero ===== */
.page-hero{background:var(--ink);color:#fff;padding:76px 0 64px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 85% 10%,rgba(0,196,138,.14),transparent 60%)}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:42px;font-weight:900}
.page-hero p{color:#9DB8AD;margin-top:14px;max-width:640px;font-size:16.5px}
@media(max-width:720px){.page-hero h1{font-size:30px}.page-hero{padding:56px 0 48px}}

/* ===== 服务详情模块 ===== */
.svc{display:grid;grid-template-columns:70px 1fr;gap:30px;padding:38px 0;border-bottom:1px solid var(--line)}
.svc:first-of-type{border-top:1px solid var(--line)}
.svc .no{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--brand-deep);letter-spacing:.1em;padding-top:4px}
.svc .no b{display:block;font-size:52px;color:var(--ink);font-weight:700;margin-top:4px}
.svc h3{font-size:24px;font-weight:900;margin-bottom:10px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.svc h3 .flag{font-size:12px;font-weight:700;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:3px 12px}
.svc p{color:var(--text2);font-size:15.5px;max-width:680px}
.svc .feats{display:grid;grid-template-columns:1fr 1fr;gap:8px 34px;margin-top:18px;max-width:760px}
.svc .feats div{font-size:14.5px;color:var(--text);padding-left:24px;position:relative}
.svc .feats div::before{content:"";position:absolute;left:2px;top:.55em;width:7px;height:7px;border:1.5px solid var(--brand);border-radius:50%}
.svc .cta-line{margin-top:18px;display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.svc .cta-line a{color:var(--brand-deep);font-weight:700;font-size:14.5px;text-decoration:none;border-bottom:1.5px solid var(--brand);padding-bottom:2px}
.svc .cta-line .tel{font-family:var(--font-num);font-size:15px;color:var(--brand-deep);font-weight:700}
@media(max-width:720px){.svc{grid-template-columns:1fr;gap:12px}.svc .no b{display:inline;font-size:30px;margin-left:10px}.svc .feats{grid-template-columns:1fr}}

/* ===== 关于页 ===== */
.about-split{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center}
.about-split .ph{border-radius:16px;width:100%;height:100%;object-fit:cover;min-height:320px;transform:scale(1);overflow:hidden}
.about-split .imgbox{border-radius:16px;overflow:hidden;min-height:320px}
.about-split .imgbox img{width:100%;height:100%;object-fit:cover;transform:scale(1.05);transform-origin:center 30%}
.about-split p{color:var(--text2);font-size:16px;margin-bottom:16px}
.about-split p b{color:var(--text)}
@media(max-width:900px){.about-split{grid-template-columns:1fr}}
.road{position:relative;margin-left:8px;padding-left:44px}
.road::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--brand),rgba(0,196,138,.12))}
.road-item{position:relative;padding-bottom:40px}
.road-item:last-child{padding-bottom:0}
.road-item::before{content:"";position:absolute;left:-44px;top:8px;width:16px;height:16px;border-radius:50%;background:var(--paper);border:3.5px solid var(--brand);box-sizing:border-box}
.road-item h4{font-size:21px;font-weight:900;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.road-item h4 .yr{font-family:var(--font-num);font-size:14px;color:var(--brand-deep);font-weight:700;letter-spacing:.06em}
.road-item p{color:var(--text2);font-size:15px;margin-top:8px;max-width:660px}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cert{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:transform .25s ease,box-shadow .25s ease}
.cert:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(10,26,21,.08)}
.cert h4{font-size:15.5px;font-weight:900;margin-bottom:6px}
.cert p{color:var(--text2);font-size:13.5px}
@media(max-width:900px){.cert-grid{grid-template-columns:1fr}}

/* ===== 联系页 ===== */
.contact-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.ccard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;text-align:center}
.ccard .ic{width:44px;height:44px;border-radius:11px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.ccard .ic svg{width:22px;height:22px;stroke:var(--brand-deep)}
.ccard h4{font-size:14px;color:var(--text2);font-weight:600;margin-bottom:6px}
.ccard .v{font-weight:900;font-size:15.5px;color:var(--text)}
@media(max-width:960px){.contact-cards{grid-template-columns:1fr 1fr}}
.contact-split{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start}
@media(max-width:900px){.contact-split{grid-template-columns:1fr}}
.form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 32px}
.form h3{font-size:21px;font-weight:900;margin-bottom:6px}
.form .sub{color:var(--text2);font-size:14px;margin-bottom:24px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.f-row{grid-template-columns:1fr}}
.f-field{margin-bottom:16px}
.f-field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px}
.f-field label i{color:#D05656;font-style:normal;margin-left:2px}
.f-field input,.f-field select,.f-field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14.5px;font-family:inherit;background:var(--paper);color:var(--text);transition:.2s;outline:none}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,196,138,.13);background:#fff}
.f-field textarea{resize:vertical;min-height:104px}
.form .btn{width:100%}
.form .ok{display:none;margin-top:16px;background:var(--brand-soft);border:1px solid rgba(14,107,79,.3);color:var(--brand-deep);font-size:14px;font-weight:700;border-radius:10px;padding:12px 16px;text-align:center}
.form .ok.show{display:block}
.qa{border-top:1px solid var(--line)}
.qa-item{border-bottom:1px solid var(--line)}
.qa-item summary{list-style:none;cursor:pointer;padding:20px 2px;font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:space-between;gap:16px}
.qa-item summary::-webkit-details-marker{display:none}
.qa-item summary::after{content:"+";font-family:var(--font-num);font-size:22px;color:var(--brand-deep);font-weight:700;transition:.2s}
.qa-item[open] summary::after{transform:rotate(45deg)}
.qa-item .a{padding:0 2px 22px;color:var(--text2);font-size:14.5px;max-width:720px}
.map-card{background:var(--ink);border-radius:16px;color:#fff;padding:38px 34px;position:relative;overflow:hidden}
.map-card::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,196,138,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(0,196,138,.08) 1px,transparent 1px);background-size:40px 40px}
.map-card>*{position:relative}
.map-card h4{font-size:19px;font-weight:900;margin-bottom:14px}
.map-card p{color:#9DB8AD;font-size:14.5px;margin-bottom:8px}
.map-card b{color:#fff}

/* ===== 动画 ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
.note{font-size:13px;color:var(--text2);background:var(--paper2);border-left:3px solid var(--brand);padding:8px 14px;border-radius:0 8px 8px 0;margin-top:14px}

/* =====================================================
   行业资讯 · 列表页与文章页
   ===================================================== */

/* 列表页筛选 */
.news-filter{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0 8px}
.nf-tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 20px;font-size:14.5px;font-weight:700;color:var(--text2);cursor:pointer;transition:.2s;font-family:inherit}
.nf-tab:hover{border-color:var(--brand);color:var(--brand-deep)}
.nf-tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* 文章卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(10,26,21,.09);border-color:rgba(0,196,138,.4)}
.news-card.hide{display:none}
.nc-cover{aspect-ratio:16/9;position:relative;display:flex;align-items:flex-end;padding:20px;overflow:hidden}
.nc-cover .big{position:absolute;right:14px;top:2px;font-family:var(--font-num);font-size:64px;font-weight:700;color:rgba(255,255,255,.13);line-height:1}
.nc-cover .cat{position:relative;font-size:11.5px;font-weight:700;color:#E4FFF4;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26);padding:4px 12px;border-radius:999px;backdrop-filter:blur(4px)}
.nc-cover.g1{background:linear-gradient(135deg,#0E6B4F,#163328)}
.nc-cover.g2{background:linear-gradient(135deg,#163328,#0A3A2C)}
.nc-cover.g3{background:linear-gradient(135deg,#0A3A2C,#0E6B4F)}
.nc-cover.g4{background:linear-gradient(135deg,#0E6B4F,#062B21)}
.nc-cover.g5{background:linear-gradient(135deg,#10251D,#0E6B4F)}
.nc-cover.g6{background:linear-gradient(135deg,#062B21,#10251D)}
.nc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.nc-body h3{font-size:17.5px;font-weight:900;line-height:1.55;margin-bottom:10px;color:var(--text)}
.news-card:hover .nc-body h3{color:var(--brand-deep)}
.nc-body p{font-size:13.8px;color:var(--text2);line-height:1.75;flex:1}
.nc-meta{margin-top:16px;padding-top:13px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--text2);display:flex;align-items:center;justify-content:space-between;gap:10px}
.nc-meta .en{letter-spacing:.03em}
@media(max-width:1000px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:660px){.news-grid{grid-template-columns:1fr}}

/* 精选头条 */
.feature{display:grid;grid-template-columns:1.15fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;margin-bottom:8px;transition:transform .25s,box-shadow .25s}
.feature:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(10,26,21,.1)}
.feature .fc{position:relative;min-height:320px;background:linear-gradient(135deg,#0E6B4F,#062B21);display:flex;align-items:center;justify-content:center;overflow:hidden}
.feature .fc::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,196,138,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(0,196,138,.14) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,#000 20%,transparent 75%)}
.feature .fc .word{position:relative;font-family:var(--font-num);font-size:44px;font-weight:700;color:rgba(255,255,255,.92);letter-spacing:.02em;text-align:center;line-height:1.3;padding:0 30px}
.feature .fb{padding:40px 38px;display:flex;flex-direction:column;justify-content:center}
.feature .fb .cat{font-size:11.5px;font-weight:700;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:3px 12px;align-self:flex-start;margin-bottom:16px}
.feature .fb h2{font-size:25px;font-weight:900;line-height:1.45;margin-bottom:14px}
.feature:hover .fb h2{color:var(--brand-deep)}
.feature .fb p{font-size:14.5px;color:var(--text2);line-height:1.8}
.feature .fb .nc-meta{margin-top:22px}
@media(max-width:900px){.feature{grid-template-columns:1fr}.feature .fc{min-height:190px}.feature .fb{padding:28px 24px}}

/* 侧栏布局 */
.news-layout{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
@media(max-width:1000px){.news-layout{grid-template-columns:1fr}}
.side-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;margin-bottom:18px}
.side-box h4{font-size:15px;font-weight:900;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.side-box a{display:block;font-size:13.8px;color:var(--text2);text-decoration:none;padding:8px 0;border-bottom:1px dashed var(--line);line-height:1.6}
.side-box a:last-child{border-bottom:none}
.side-box a:hover{color:var(--brand-deep)}
.side-cta{background:linear-gradient(135deg,#0E6B4F,#062B21);border:none;color:#fff;position:relative;overflow:hidden}
.side-cta::before{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(0,196,138,.35),transparent 70%)}
.side-cta h4{color:#fff;border-bottom-color:rgba(255,255,255,.16);position:relative}
.side-cta p{font-size:13.5px;color:#C6DDD3;line-height:1.8;position:relative}
.side-cta .btn{width:100%;margin-top:16px;font-size:14px;padding:11px;position:relative}

/* 文章头 */
.post-hero{background:var(--ink);color:#fff;padding:40px 0 56px;position:relative;overflow:hidden}
.post-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(760px 320px at 82% 0%,rgba(0,196,138,.16),transparent 62%)}
.post-hero .wrap{position:relative;z-index:2}
.crumb{font-size:13px;color:#8FB3A4;margin-bottom:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:#8FB3A4;text-decoration:none;border-bottom:1px solid rgba(143,179,164,.45);padding-bottom:1px}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.post-hero .pcat{display:inline-block;font-size:12px;font-weight:700;color:#00C48A;background:rgba(0,196,138,.14);border:1px solid rgba(0,196,138,.3);border-radius:999px;padding:4px 14px;margin-bottom:18px}
.post-hero h1{font-size:38px;line-height:1.35;font-weight:900;max-width:860px;letter-spacing:.005em}
.post-hero .pmeta{display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;color:#9DB8AD;font-size:13.5px;align-items:center}
.post-hero .pmeta b{color:#E4FFF4;font-weight:600}
.post-hero .pmeta .dot{opacity:.4}
@media(max-width:720px){.post-hero h1{font-size:26px}.post-hero{padding:28px 0 40px}}

/* 摘要框（GEO：便于 AI 直接引用） */
.tldr{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:0 14px 14px 0;padding:24px 26px;margin:0 0 38px}
.tldr h2{font-size:13px;font-weight:900;letter-spacing:.14em;color:var(--brand-deep);margin-bottom:12px;text-transform:uppercase}
.tldr p{font-size:15.5px;line-height:1.9;color:var(--text);margin:0}
.tldr p+p{margin-top:10px}
.tldr strong{color:var(--brand-deep);font-weight:800}

/* 正文 */
.post-wrap{display:grid;grid-template-columns:1fr 260px;gap:56px;align-items:start}
@media(max-width:1000px){.post-wrap{grid-template-columns:1fr}}
.post-body{max-width:none}
.post-body h2{font-size:24px;font-weight:900;line-height:1.5;margin:2.2em 0 .8em;padding-bottom:.4em;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.post-body h3{font-size:18.5px;font-weight:900;line-height:1.6;margin:1.8em 0 .6em;color:var(--ink);scroll-margin-top:90px}
.post-body p{font-size:16px;line-height:1.95;color:var(--text);margin-bottom:1.1em}
.post-body ul,.post-body ol{margin:0 0 1.2em;padding-left:1.5em}
.post-body li{font-size:15.8px;line-height:1.9;margin-bottom:.55em;color:var(--text)}
.post-body li::marker{color:var(--brand-deep)}
.post-body strong{font-weight:800;color:var(--ink)}
.post-body a{color:var(--brand-deep);text-decoration:none;border-bottom:1px solid rgba(14,107,79,.35)}
.post-body a:hover{border-bottom-color:var(--brand-deep)}
.post-body blockquote{border-left:3px solid var(--brand);background:var(--paper2);padding:16px 22px;margin:1.6em 0;border-radius:0 10px 10px 0;font-size:15.5px;color:var(--text2);line-height:1.9}
.post-body blockquote p{margin:0;font-size:15.5px}

/* 表格 */
.tw{overflow-x:auto;margin:1.4em 0 1.8em;border:1px solid var(--line);border-radius:12px;background:#fff}
table.pt{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
table.pt th{background:var(--paper2);font-weight:800;text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap;color:var(--ink)}
table.pt td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--text2);line-height:1.7}
table.pt tr:last-child td{border-bottom:none}
table.pt td b{color:var(--text)}
table.pt .hl{background:rgba(0,196,138,.06)}

/* 文章内 CTA */
.inline-cta{background:linear-gradient(135deg,#0E6B4F,#062B21);color:#fff;border-radius:16px;padding:30px 32px;margin:2em 0;position:relative;overflow:hidden}
.inline-cta::before{content:"";position:absolute;right:-50px;bottom:-50px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(0,196,138,.3),transparent 70%)}
.inline-cta h3{color:#fff;margin:0 0 8px;font-size:19px;position:relative}
.inline-cta p{color:#C6DDD3;font-size:14.5px;margin:0 0 18px;position:relative}
.inline-cta .btn{position:relative;font-size:14.5px;padding:11px 26px}

/* 文章 FAQ */
.post-faq{margin:2.4em 0 0}
.post-faq h2{border-bottom:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item h3{font-size:16.5px;font-weight:800;margin:0 0 8px;display:flex;gap:10px;align-items:flex-start}
.faq-item h3::before{content:"Q";font-family:var(--font-num);color:var(--brand);font-weight:700;flex:none}
.faq-item p{font-size:15px;color:var(--text2);line-height:1.9;margin:0;padding-left:24px}

/* 作者框（E-E-A-T） */
.author-box{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 26px;margin:2.4em 0 0;align-items:flex-start}
.author-box .av{width:54px;height:54px;border-radius:50%;background:var(--ink);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;flex:none}
.author-box .an b{display:block;font-size:16px;font-weight:900;margin-bottom:3px}
.author-box .an span{display:block;font-size:12.5px;color:var(--brand-deep);font-weight:700;margin-bottom:8px}
.author-box .an p{font-size:13.5px;color:var(--text2);line-height:1.8;margin:0}

/* 相关文章 */
.related{margin-top:52px;padding-top:36px;border-top:2px solid var(--ink)}
.related h2{font-size:20px;font-weight:900;margin-bottom:22px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-grid a{display:block;text-decoration:none;border:1px solid var(--line);border-radius:12px;padding:18px 18px 16px;background:#fff;transition:.2s}
.related-grid a:hover{border-color:var(--brand);transform:translateY(-2px)}
.related-grid .rc{font-size:11px;font-weight:700;color:var(--brand-deep);margin-bottom:8px;letter-spacing:.06em}
.related-grid .rt{font-size:14px;font-weight:800;line-height:1.6;color:var(--text)}
@media(max-width:760px){.related-grid{grid-template-columns:1fr}}

/* 文章页目录 */
.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;position:sticky;top:86px}
.toc h4{font-size:12.5px;font-weight:900;letter-spacing:.12em;color:var(--text2);margin-bottom:12px}
.toc a{display:block;font-size:13.5px;color:var(--text2);text-decoration:none;padding:6px 0 6px 12px;border-left:2px solid var(--line);line-height:1.6}
.toc a:hover,.toc a.on{color:var(--brand-deep);border-left-color:var(--brand);font-weight:700}
.toc a.sub{padding-left:24px;font-size:12.8px}
@media(max-width:1000px){.toc{position:static;margin-bottom:28px}}
.feature.hide{display:none}


/* =====================================================
   响应式适配层 v2
   覆盖：手机（小屏/大屏/横屏）· 平板 · 笔记本 · 桌面
   兼容：iOS Safari · Android Chrome · 鸿蒙 WebView
   ===================================================== */

/* ---------- 1. 全局移动端基线 ---------- */
html{
  -webkit-text-size-adjust:100%;
  -moz-text-size-adjust:100%;
  text-size-adjust:100%;       /* 防 iOS 横屏自动放大字号 */
}
body{
  overflow-x:clip;             /* 防横向溢出，且不破坏 sticky 导航（不用 hidden） */
  -webkit-tap-highlight-color:transparent;  /* 去掉安卓/鸿蒙点击蓝框 */
  padding-bottom:0;
}
img{height:auto;max-width:100%}
/* picture 包裹后需成为块级容器，否则内部 img 的 100% 宽高会失基准 */
.founder-photo .frame picture,
.about-split .imgbox picture{display:block;width:100%;height:100%}
.btn,.nf-tab{min-height:44px}          /* 触摸目标不小于 44px */
.btn{display:inline-flex;align-items:center}
.tw{-webkit-overflow-scrolling:touch}  /* iOS 表格/代码块顺滑横滑 */
.f-field input,.f-field select,.f-field textarea{
  -webkit-appearance:none;appearance:none;   /* 统一 iOS 原生控件样式 */
  border-radius:10px;
}
.f-field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A6B64' stroke-width='2.4'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:16px;
  padding-right:38px;
}
/* iOS 输入框字号 <16px 会触发聚焦自动放大，移动端统一 16px */
@media(max-width:767px){
  .f-field input,.f-field select,.f-field textarea{font-size:16px}
}

/* ---------- 2. 移动端底部快捷条（默认隐藏） ---------- */
.m-bar{display:none}

/* =====================================================
   3. 桌面收窄档（1200 以下笔记本）
   ===================================================== */
@media(max-width:1300px){
  .hero h1{font-size:48px}
}

/* =====================================================
   4. 平板档（≤1024）iPad 横竖屏 / 小笔记本
   ===================================================== */
@media(max-width:1024px){
  /* 导航：触摸设备统一收成汉堡，避免 6 项挤压 */
  .nav-links,.nav-tel{display:none}
  .burger{display:block}
  .m-menu.open{display:block}
  .nav-in{height:60px;padding:0 20px}
  .logo{font-size:17px}
  .logo .mark{width:31px;height:31px}
  .m-menu a{padding:14px 20px}

  section{padding:74px 0}
  .sec-head{margin-bottom:36px}
  .sec-title{font-size:31px}
  .sec-desc{font-size:15.5px;margin-top:12px}

  .hero-in{padding:86px 24px 64px}
  .hero h1{font-size:41px}
  .hero .lead{font-size:16px;margin-top:18px}

  .dual-card{padding:32px 28px}
  .dual-card h3{font-size:24px}

  .mvv .big-line{font-size:27px;margin-bottom:40px}

  .page-hero{padding:60px 0 50px}
  .page-hero h1{font-size:35px}
  .page-hero p{font-size:15.5px}

  .post-hero h1{font-size:32px}
  .feature .fb{padding:32px 28px}

  .contact-cards{grid-template-columns:repeat(3,1fr)}
  .cases-grid{grid-template-columns:repeat(2,1fr)}
}

/* =====================================================
   5. 平板竖屏档（≤900）
   ===================================================== */
@media(max-width:900px){
  .prods{grid-template-columns:repeat(2,1fr);gap:16px}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .founder-photo .frame{max-width:320px}
  .stats-in{gap:20px 24px}
  .about-split .imgbox,.about-split .ph{min-height:260px}
}

/* =====================================================
   6. 手机档（≤767）主流手机竖屏
   ===================================================== */
@media(max-width:767px){
  .wrap{padding:0 18px}
  section{padding:54px 0}
  .sec-head{margin-bottom:30px}
  .sec-title{font-size:25px;line-height:1.38}
  .sec-desc{font-size:15px}
  .sec-eyebrow{font-size:12px;letter-spacing:.12em;margin-bottom:12px}

  /* 首屏 */
  .hero-in{padding:54px 18px 44px}
  .hero h1{font-size:30px;line-height:1.32}
  .hero .lead{font-size:14.8px;line-height:1.8;margin-top:16px}
  .kicker{font-size:11.5px;letter-spacing:.1em;margin-bottom:18px;gap:9px}
  .kicker::before{width:26px}
  .hero-ctas{gap:10px;margin-top:26px}
  .hero-ctas .btn{padding:12px 22px;font-size:15px}
  .trust{gap:10px 20px;margin-top:30px;padding-top:18px;font-size:12.8px}
  .trust svg{width:14px;height:14px}

  /* 数据条 */
  .stats{padding:28px 0}
  .stats-in{padding:0 18px;gap:18px 16px}
  .stat .num{font-size:30px}
  .stat .lbl{font-size:12.8px;margin-top:4px}

  /* 板块 */
  .dual{gap:14px}
  .dual-card{padding:26px 22px;border-radius:14px}
  .dual-card h3{font-size:21px}
  .dual-card p{font-size:14px}
  .dual-card .go{margin-top:18px}

  .prods{grid-template-columns:1fr;gap:14px}
  .prod{padding:22px 20px}
  .prod h3{font-size:17px}

  .plans{gap:14px}
  .plan{padding:24px 22px}
  .plan .p-price .amt{font-size:34px}

  .why-grid{gap:0}
  .why-item{padding:22px 0 24px}
  .why-item h3{font-size:18px}
  .why-item p{font-size:14.3px}

  .mvv .big-line{font-size:22px;line-height:1.5;margin-bottom:30px}
  .mvv-cols{gap:26px}
  .mvv-col .t{font-size:18px}
  .mvv-col p{font-size:14px}
  .val{padding:13px 0;gap:14px}
  .val b{font-size:15.5px}
  .val span{font-size:13.5px}

  /* 创始人 */
  .founder{gap:26px}
  .founder-photo .frame{max-width:250px;margin:0 auto}
  .founder-txt h3{font-size:23px}
  .founder-txt p{font-size:14.8px}
  .founder-txt .quote{font-size:15.5px;padding-left:16px}

  /* 案例 / 评价 */
  .cases-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .case .cover .glyph{font-size:40px}
  .case .cap{padding:13px 14px 15px}
  .case .cap b{font-size:14px}
  .case .cap span{font-size:12.5px;margin-top:4px}
  .quotes{grid-template-columns:1fr;gap:12px}
  .quote-card{padding:22px 20px}

  /* 流程 */
  .flow{grid-template-columns:1fr 1fr;row-gap:22px}
  .flow-step{padding:24px 16px 4px 16px;margin-right:10px}
  .flow-step h4{font-size:15.5px}
  .flow-step p{font-size:13.5px}

  /* 服务详情 */
  .svc{padding:28px 0}
  .svc h3{font-size:20px}
  .svc p{font-size:14.8px}

  /* CTA */
  .cta{padding:54px 0}
  .cta h2{font-size:24px;line-height:1.42}
  .cta p{font-size:14.8px}
  .cta-contact{flex-direction:column;gap:10px;align-items:center;margin-top:26px;font-size:13.5px}
  .cta .btn{margin-top:24px}

  /* 页脚 */
  .foot-in{grid-template-columns:1fr 1fr;gap:28px 22px;padding:40px 18px 26px}
  .foot-brand{grid-column:1/-1}
  .foot-brand p{max-width:none;font-size:12.8px}
  .foot-bottom{padding:16px 18px;font-size:11.5px;line-height:1.8}

  /* 子页 */
  .page-hero{padding:40px 0 36px}
  .page-hero h1{font-size:26px;line-height:1.35}
  .page-hero p{font-size:14.5px;margin-top:10px}

  /* 关于 */
  .about-split{gap:24px}
  .about-split p{font-size:14.8px}
  .road{padding-left:30px;margin-left:2px}
  .road::before{left:4px}
  .road-item{padding-bottom:28px}
  .road-item::before{left:-30px;width:13px;height:13px;border-width:3px}
  .road-item h4{font-size:17px;gap:9px}
  .road-item p{font-size:14.2px}
  .cert-grid{grid-template-columns:1fr;gap:12px}
  .cert{padding:20px}

  /* 联系 */
  .contact-cards{grid-template-columns:repeat(2,1fr);gap:11px}
  .ccard{padding:18px 10px;border-radius:12px}
  .ccard .ic{width:38px;height:38px;margin-bottom:10px}
  .ccard h4{font-size:12.5px}
  .ccard .v{font-size:14px;word-break:break-all}
  .form{padding:24px 20px;border-radius:14px}
  .form h3{font-size:19px}
  .f-row{grid-template-columns:1fr;gap:0}
  .map-card{padding:28px 22px}
  .qa-item summary{font-size:15px;padding:17px 2px}

  /* 资讯列表 */
  .news-filter{gap:8px;margin:24px 0 4px}
  .nf-tab{padding:8px 16px;font-size:13.5px}
  .news-grid{grid-template-columns:1fr;gap:14px;margin-top:20px}
  .nc-body{padding:17px 18px 18px}
  .nc-body h3{font-size:16.5px}
  .feature .fc{min-height:150px}
  .feature .fc .word{font-size:30px}
  .feature .fb{padding:24px 20px}
  .feature .fb h2{font-size:20px}
  .feature .fb p{font-size:14px}
  .side-box{padding:20px 18px}

  /* 文章正文 */
  .post-hero{padding:24px 0 32px}
  .post-hero h1{font-size:23px;line-height:1.45}
  .post-hero .pmeta{gap:10px 14px;font-size:12.3px;margin-top:16px}
  .crumb{font-size:12px;margin-bottom:16px}
  .post-hero .pcat{font-size:11.5px;padding:3px 12px;margin-bottom:14px}
  .tldr{padding:18px 18px;margin-bottom:28px}
  .tldr p{font-size:14.5px;line-height:1.85}
  .post-wrap{gap:0}
  .toc{display:none}              /* 手机上目录占屏且冗余，隐藏 */
  .post-body h2{font-size:19px;margin:1.9em 0 .7em}
  .post-body h3{font-size:16.5px}
  .post-body p{font-size:15.4px;line-height:1.9;margin-bottom:1em}
  .post-body li{font-size:15px;line-height:1.85}
  .post-body blockquote{padding:14px 16px;font-size:14.5px}
  .post-body blockquote p{font-size:14.5px}
  .inline-cta{padding:22px 20px;border-radius:14px}
  .inline-cta h3{font-size:17px}
  .inline-cta p{font-size:13.8px}
  .inline-cta .btn{width:100%}
  .faq-item{padding:15px 0}
  .faq-item h3{font-size:15.3px}
  .faq-item p{font-size:14.2px;padding-left:0;margin-top:4px}
  .author-box{flex-direction:column;gap:12px;padding:20px 18px}
  .author-box .av{width:46px;height:46px;font-size:17px}
  .related{margin-top:38px;padding-top:26px}
  .related h2{font-size:18px;margin-bottom:16px}
  .related-grid{grid-template-columns:1fr;gap:10px}
  table.pt{font-size:13.3px;min-width:440px}
  table.pt th{padding:10px 12px}
  table.pt td{padding:9px 12px}
  .tw{margin:1.2em 0 1.4em}

  /* 手机底部快捷条 */
  .m-bar{
    display:grid;grid-template-columns:repeat(3,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:96;
    background:rgba(8,21,17,.97);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border-top:1px solid rgba(255,255,255,.1);
    padding-bottom:env(safe-area-inset-bottom,0px);
    box-shadow:0 -4px 20px rgba(0,0,0,.22);
  }
  .m-bar a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    padding:9px 4px;min-height:54px;
    color:#B9CEC4;text-decoration:none;font-size:11.5px;font-weight:700;letter-spacing:.02em;
  }
  .m-bar a svg{width:19px;height:19px;flex:none}
  .m-bar a:active{background:rgba(255,255,255,.07)}
  .m-bar a.primary{color:#062B21;background:var(--brand)}
  .m-bar a.primary:active{background:#2FE0AC}
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom,0px))}
}

/* =====================================================
   7. 小屏手机（≤400）iPhone SE / 小安卓 / 老鸿蒙
   ===================================================== */
@media(max-width:400px){
  .wrap{padding:0 15px}
  section{padding:46px 0}
  .sec-title{font-size:22.5px}
  .sec-desc{font-size:14.2px}
  .hero-in{padding:44px 15px 38px}
  .hero h1{font-size:26.5px}
  .kicker{font-size:10.5px}
  .hero-ctas{flex-direction:column}
  .hero-ctas .btn{width:100%}
  .trust{font-size:12px;gap:9px 16px}
  .stats-in{grid-template-columns:1fr 1fr;gap:16px}
  .stat .num{font-size:26px}
  .stat .lbl{font-size:12px}
  .logo{font-size:16px}
  .logo small{font-size:9px}
  .dual-card{padding:22px 18px}
  .dual-card h3{font-size:19.5px}
  .page-hero h1{font-size:23px}
  .post-hero h1{font-size:21px}
  .post-body h2{font-size:18px}
  .post-body p{font-size:15px}
  .nc-body h3{font-size:16px}
  .feature .fb h2{font-size:18.5px}
  .contact-cards{grid-template-columns:1fr}
  .ccard{display:flex;align-items:center;gap:13px;text-align:left;padding:15px 16px}
  .ccard .ic{margin:0;flex:none}
  .ccard .v{font-size:15px}
  .cases-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;row-gap:16px}
  .m-bar a{font-size:11px;min-height:50px}
  body{padding-bottom:calc(54px + env(safe-area-inset-bottom,0px))}
}

/* =====================================================
   8. 横屏手机（高度矮）
   ===================================================== */
@media(max-height:500px) and (orientation:landscape){
  .hero-in{padding:46px 20px 40px}
  .hero h1{font-size:29px}
  .hero .lead{margin-top:14px}
  .hero-ctas{margin-top:20px}
  .trust{margin-top:22px}
  .post-hero{padding:22px 0 26px}
  .m-bar{display:none}            /* 横屏不占屏 */
  body{padding-bottom:0}
}

/* =====================================================
   9. 触摸设备：取消 hover 位移，避免点击后残留
   ===================================================== */
@media(hover:none){
  .prod:hover,.case:hover,.news-card:hover,.dual-card:hover,
  .feature:hover,.cert:hover,.related-grid a:hover,.nf-tab:hover{transform:none}
  .prod:hover{box-shadow:none}
  .news-card:hover{box-shadow:none}
  .case:hover{box-shadow:none}
}

/* =====================================================
   10. 降级兜底
   ===================================================== */
/* 不支持 aspect-ratio 的旧 WebView，用最小高度兜底 */
@supports not (aspect-ratio:1/1){
  .case .cover,.nc-cover{min-height:150px}
  .founder-photo .frame{min-height:300px}
}
/* 不支持 backdrop-filter 时给导航实色底 */
@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .nav{background:#0A1A15}
  .m-bar{background:#081511}
}

/* ---------- 11. 细节修补 ---------- */
/* 手机用轻量 hero 背景图（19KB vs 61KB） */
@media(max-width:767px){
  .hero-bg{background-image:url('img/hero-terrain-sm.jpg');inset:-4% -2% -8%}
}
/* select 聚焦时保留自定义箭头 */
.f-field select:focus{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A6B64' stroke-width='2.4'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:16px;
}
/* iOS sticky 导航加合成层，避免滚动时闪烁 */
.nav{-webkit-transform:translateZ(0);transform:translateZ(0)}
/* 表格横滑提示 */
@media(max-width:767px){
  .tw{position:relative}
  .tw::after{content:"左右滑动查看";display:block;position:sticky;left:0;font-size:11px;color:var(--text2);padding:6px 0 0;text-align:center}
}
/* 移动端菜单展开时锁滚动 */
.m-menu.open{max-height:calc(100vh - 60px);overflow-y:auto;-webkit-overflow-scrolling:touch}

/* ---------- 12. 列表分页 ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.pg-count{font-size:13.5px;color:var(--text2)}
.pg-count b{color:var(--text);font-weight:800}
.pg-ctrl{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.pg-btn{min-width:42px;height:42px;padding:0 15px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:14.5px;font-weight:700;color:var(--text2);cursor:pointer;font-family:inherit;transition:border-color .18s,color .18s,background .18s;-webkit-tap-highlight-color:transparent}
.pg-btn:hover:not(:disabled):not(.on){border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft)}
.pg-btn.on{background:var(--ink);border-color:var(--ink);color:#fff;cursor:default}
.pg-btn:disabled{opacity:.35;cursor:not-allowed}
.pg-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.pg-dot{min-width:18px;text-align:center;color:var(--text2);font-size:14px;user-select:none}
@media(max-width:640px){
  .pager{justify-content:center;gap:12px;margin-top:28px;padding-top:22px}
  .pg-count{width:100%;text-align:center;font-size:13px}
  .pg-ctrl{gap:6px;justify-content:center}
  .pg-btn{min-width:38px;height:38px;padding:0 11px;font-size:14px;border-radius:9px}
}
.foot-bottom a{margin-left:10px;text-decoration:none}
.foot-bottom a:hover{color:var(--brand)}