/* ============================================================
   华芯精密 · HUAXIN SMT — 全局样式
   主题：PCB 制造工业风（电路板绿 × 深墨蓝 × 焊锡橙）
   ============================================================ */

/* ---------- 字体（本地化） ---------- */
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:400;font-display:swap;
  src:url(../fonts/noto-sans-sc-latin-400-normal.woff2) format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:400;font-display:swap;
  src:url(../fonts/noto-sans-sc-chinese-simplified-400-normal.woff2) format("woff2");
  unicode-range:U+4E00-9FFF,U+3400-4DBF,U+2E80-2EFF,U+F900-FAFF,U+FF00-FFEF;
}
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:500;font-display:swap;
  src:url(../fonts/noto-sans-sc-chinese-simplified-500-normal.woff2) format("woff2");
  unicode-range:U+4E00-9FFF,U+3400-4DBF,U+2E80-2EFF,U+F900-FAFF,U+FF00-FFEF;
}
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:700;font-display:swap;
  src:url(../fonts/noto-sans-sc-latin-700-normal.woff2) format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Noto Sans SC";
  font-style:normal;font-weight:700;font-display:swap;
  src:url(../fonts/noto-sans-sc-chinese-simplified-700-normal.woff2) format("woff2");
  unicode-range:U+4E00-9FFF,U+3400-4DBF,U+2E80-2EFF,U+F900-FAFF,U+FF00-FFEF;
}

/* ---------- 设计令牌 ---------- */
:root{
  --navy-950:#06131F;
  --navy-900:#071420;
  --navy-800:#0B1C2A;
  --navy-700:#12293A;
  --navy-600:#1A3A50;
  --green-700:#0C6238;
  --green-600:#0E7A45;
  --green-500:#14A05C;
  --green-400:#2FBF71;
  --green-300:#63D69A;
  --orange-600:#D9772B;
  --orange-500:#E8862C;
  --orange-400:#F59E3C;
  --paper:#F3F7F4;
  --paper-2:#E9F0EB;
  --card:#FFFFFF;
  --ink:#13211B;
  --ink-soft:#54655C;
  --line:#D9E3DC;
  --white:#FFFFFF;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(11,28,42,.06);
  --shadow-md:0 10px 30px rgba(11,28,42,.10);
  --shadow-lg:0 24px 60px rgba(11,28,42,.16);
  --container:1200px;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
::selection{background:var(--green-400);color:var(--navy-900);}

h1,h2,h3,h4{font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink);}
:focus-visible{outline:3px solid var(--green-400);outline-offset:2px;border-radius:4px;}

/* ---------- 布局工具 ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--dark{background:var(--navy-900);}
.section--tint{background:var(--paper-2);}

/* 分区标题 */
.sec-head{margin-bottom:56px;max-width:720px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:500;color:var(--green-600);
  margin-bottom:14px;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--green-500);border-radius:2px;}
.sec-head--center .eyebrow::after{content:"";width:26px;height:2px;background:var(--green-500);border-radius:2px;}
.sec-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px;}
.sec-head p{color:var(--ink-soft);font-size:16.5px;line-height:1.9;}
.section--dark .sec-head h2{color:#fff;}
.section--dark .sec-head p{color:#A9BBCB;}
.section--dark .eyebrow{color:var(--green-300);}
.section--dark .eyebrow::before{background:var(--green-400);}
.section--dark .sec-head--center .eyebrow::after{background:var(--green-400);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:500;line-height:1.4;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex:none;}
.btn--primary{background:var(--green-600);color:#fff;box-shadow:0 6px 18px rgba(14,122,69,.28);}
.btn--primary:hover{background:var(--green-500);transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,122,69,.34);}
.btn--ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.04);}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn--light{background:#fff;color:var(--navy-800);box-shadow:0 6px 18px rgba(0,0,0,.14);}
.btn--light:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.2);}
.btn--outline{border:1.5px solid var(--green-600);color:var(--green-600);}
.btn--outline:hover{background:var(--green-600);color:#fff;transform:translateY(-2px);}
.btn--orange{background:var(--orange-500);color:#fff;box-shadow:0 6px 18px rgba(232,134,44,.28);}
.btn--orange:hover{background:var(--orange-600);transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,134,44,.34);}

/* 链接文字 */
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:500;color:var(--green-600);transition:color .2s ease,gap .2s ease;}
.link-more svg{width:15px;height:15px;}
.link-more:hover{color:var(--green-500);gap:10px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--navy-950);color:#A9BBCB;font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px;}
.topbar-item{display:inline-flex;align-items:center;gap:7px;}
.topbar-item svg{width:14px;height:14px;color:var(--green-400);flex:none;}
.topbar-item a{display:inline-flex;padding:10px 4px;margin:-10px -4px;}
.topbar-item a:hover{color:#fff;}
.topbar-right{display:flex;gap:22px;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-sm);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand img{width:46px;height:46px;border-radius:9px;}
.brand-text{line-height:1.15;}
.brand-text .cn{display:block;font-size:20px;font-weight:700;color:var(--navy-800);letter-spacing:.02em;}
.brand-text .en{display:block;font-size:11px;font-weight:500;color:var(--ink-soft);letter-spacing:.14em;margin-top:3px;}
.nav{display:flex;align-items:center;gap:34px;}
.nav a{
  position:relative;font-size:15.5px;font-weight:500;color:var(--ink);
  padding:6px 0;transition:color .2s ease;
}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2.5px;
  background:var(--green-500);border-radius:2px;transition:right .25s ease;
}
.nav a:hover{color:var(--green-600);}
.nav a:hover::after,.nav a.is-active::after{right:0;}
.nav a.is-active{color:var(--green-600);}
.header-cta{display:flex;align-items:center;gap:14px;flex:none;}
.header-cta .btn{padding:11px 22px;font-size:14.5px;}

/* 汉堡按钮 */
.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--line);}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy-800);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 首页 Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:var(--navy-900) url(../assets/img/smt-line-1.jpg) center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,20,32,.96) 6%,rgba(7,20,32,.88) 40%,rgba(7,20,32,.55) 72%,rgba(7,20,32,.35) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cg fill='none' stroke='%232FBF71' stroke-width='1' opacity='0.16'%3E%3Cpath d='M0 70h50M70 0v50M90 70h50M70 90v50'/%3E%3Ccircle cx='70' cy='70' r='3' fill='%232FBF71'/%3E%3C/g%3E%3C/svg%3E");
  background-size:140px 140px;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;padding-top:120px;padding-bottom:130px;}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;color:#CFE8DB;background:rgba(47,191,113,.12);
  border:1px solid rgba(47,191,113,.35);border-radius:999px;padding:7px 16px;margin-bottom:26px;
}
.hero-badge svg{width:15px;height:15px;color:var(--green-400);}
.hero h1{color:#fff;font-size:clamp(32px,4.6vw,54px);line-height:1.22;margin-bottom:22px;}
.hero h1 em{font-style:normal;color:var(--green-300);}
.hero-lead{font-size:17px;line-height:1.95;color:#C3D2C8;max-width:560px;margin-bottom:36px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.hero-certs{
  background:rgba(11,28,42,.55);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:26px 26px 22px;backdrop-filter:blur(6px);
}
.hero-certs .cert-title{font-size:14px;color:#9FB4A8;display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.hero-certs .cert-title svg{width:15px;height:15px;color:var(--green-400);}
.cert-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.cert-chip{
  font-size:13px;color:#EAF4EE;border:1px solid rgba(255,255,255,.22);
  border-radius:8px;padding:6px 12px;background:rgba(255,255,255,.05);
}
.hero-mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;border-top:1px solid rgba(255,255,255,.14);padding-top:16px;}
.mini-stat b{display:block;font-size:22px;color:#fff;font-weight:700;}
.mini-stat b i{font-style:normal;color:var(--orange-400);font-weight:700;}
.mini-stat span{font-size:12.5px;color:#8FA69B;}

.hero-stats{
  position:relative;z-index:2;
  border-top:1px solid rgba(255,255,255,.16);
  background:rgba(11,28,42,.5);
  backdrop-filter:blur(4px);
}
.hero-stats .container{display:grid;grid-template-columns:repeat(4,1fr);padding-top:26px;padding-bottom:26px;gap:24px;}
.hstat{display:flex;align-items:center;gap:14px;}
.hstat .num{font-size:clamp(26px,2.6vw,34px);font-weight:700;color:#fff;line-height:1;}
.hstat .num i{font-style:normal;color:var(--orange-400);}
.hstat .lbl{font-size:13px;color:#A9BBCB;margin-top:6px;}

/* ---------- 服务卡片 ---------- */
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.svc-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--green-600),var(--green-400));
  opacity:0;transition:opacity .25s ease;
}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:transparent;}
.svc-card:hover::before{opacity:1;}
.svc-icon{
  width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--paper-2);color:var(--green-600);margin-bottom:20px;
}
.svc-icon svg{width:27px;height:27px;}
.svc-card h3{font-size:19px;margin-bottom:10px;}
.svc-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.85;margin-bottom:16px;}
.svc-card .link-more{font-size:13.5px;}

/* ---------- 实力数据带 ---------- */
.strength-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:26px;text-align:center;}
.strength-item{padding:30px 12px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);transition:border-color .25s ease,background .25s ease;}
.strength-item:hover{border-color:rgba(47,191,113,.5);background:rgba(47,191,113,.07);}
.strength-item .num{font-size:clamp(30px,3.4vw,44px);font-weight:700;color:#fff;line-height:1.1;}
.strength-item .num i{font-style:normal;color:var(--green-300);}
.strength-item .lbl{margin-top:10px;font-size:14px;color:#A9BBCB;}

/* ---------- 工艺流程 ---------- */
.steps-8{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px 22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(20,160,92,.4);}
.step .no{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;margin-bottom:16px;
  background:var(--navy-800);color:var(--green-300);font-size:16px;font-weight:700;
}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-soft);line-height:1.8;}

/* ---------- 设备能力 ---------- */
.equip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.equip-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3.1;box-shadow:var(--shadow-sm);
}
.equip-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.equip-card:hover img{transform:scale(1.06);}
.equip-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:22px 20px;color:#fff;
  background:linear-gradient(180deg,rgba(7,20,32,0) 30%,rgba(7,20,32,.82) 100%);
}
.equip-mask h3{color:#fff;font-size:18px;margin-bottom:4px;}
.equip-mask p{font-size:13px;color:#BFD2C4;}

/* ---------- 应用领域 ---------- */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.app-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.app-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.app-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.app-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.app-card:hover .app-thumb img{transform:scale(1.05);}
.app-thumb .tag{
  position:absolute;left:14px;top:14px;font-size:12px;color:#fff;
  background:rgba(7,20,32,.72);border-radius:999px;padding:4px 12px;backdrop-filter:blur(4px);
}
.app-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.app-body h3{font-size:18px;margin-bottom:8px;}
.app-body p{font-size:14px;color:var(--ink-soft);line-height:1.85;flex:1;margin-bottom:14px;}
.app-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.app-tags span{font-size:12px;color:var(--green-700);background:var(--paper-2);border-radius:6px;padding:3px 10px;}

/* ---------- 品质体系 ---------- */
.quality-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center;}
.quality-media{position:relative;}
.quality-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover;width:100%;}
.quality-badge{
  position:absolute;right:-18px;bottom:-22px;
  background:var(--navy-800);color:#fff;border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;
}
.quality-badge svg{width:34px;height:34px;color:var(--green-400);flex:none;}
.quality-badge b{display:block;font-size:20px;line-height:1.2;}
.quality-badge span{font-size:12px;color:#A9BBCB;}
.q-list{display:grid;gap:18px;}
.q-item{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;transition:box-shadow .25s ease,border-color .25s ease;}
.q-item:hover{box-shadow:var(--shadow-sm);border-color:rgba(20,160,92,.4);}
.q-icon{width:44px;height:44px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;background:var(--paper-2);color:var(--green-600);}
.q-icon svg{width:22px;height:22px;}
.q-item h3{font-size:16.5px;margin-bottom:5px;}
.q-item p{font-size:13.5px;color:var(--ink-soft);line-height:1.8;}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--ink-soft);margin-bottom:10px;}
.news-meta .pill{color:var(--green-700);background:var(--paper-2);border-radius:5px;padding:2px 9px;font-size:12px;}
.news-body h3{font-size:17px;margin-bottom:8px;line-height:1.5;}
.news-body p{font-size:13.5px;color:var(--ink-soft);line-height:1.85;flex:1;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;background:var(--navy-900);color:#fff;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cg fill='none' stroke='%232FBF71' stroke-width='1' opacity='0.14'%3E%3Cpath d='M0 70h50M70 0v50M90 70h50M70 90v50'/%3E%3Ccircle cx='70' cy='70' r='3' fill='%232FBF71'/%3E%3C/g%3E%3C/svg%3E");
  background-size:140px 140px;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding-block:64px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:10px;}
.cta-inner p{color:#A9BBCB;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy-950);color:#A9BBCB;font-size:14.5px;}
.footer-top{display:grid;grid-template-columns:1.3fr .8fr .8fr 1.1fr;gap:44px;padding:64px 0 48px;}
.footer-brand img{width:46px;height:46px;border-radius:9px;margin-bottom:16px;}
.footer-brand h3{color:#fff;font-size:19px;margin-bottom:10px;}
.footer-brand p{line-height:1.9;margin-bottom:18px;color:#8FA69B;}
.footer-cert{display:flex;gap:8px;flex-wrap:wrap;}
.footer-cert span{font-size:12px;border:1px solid rgba(255,255,255,.2);border-radius:6px;padding:3px 10px;color:#C7D8CC;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;position:relative;padding-bottom:10px;}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--green-500);border-radius:2px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul a{transition:color .2s ease,padding-left .2s ease;display:inline-flex;align-items:center;gap:7px;}
.footer-col ul a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--green-500);opacity:.7;}
.footer-col ul a:hover{color:#fff;padding-left:4px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.8;}
.footer-contact svg{width:16px;height:16px;color:var(--green-400);flex:none;margin-top:5px;}
.footer-contact a{display:inline-flex;padding:8px 4px;margin:-8px -4px;}
.footer-contact a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;font-size:13px;color:#7C9085;}
.footer-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}

/* ---------- 内页横幅 ---------- */
.page-banner{
  position:relative;background:var(--navy-900);color:#fff;overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cg fill='none' stroke='%232FBF71' stroke-width='1' opacity='0.14'%3E%3Cpath d='M0 70h50M70 0v50M90 70h50M70 90v50'/%3E%3Ccircle cx='70' cy='70' r='3' fill='%232FBF71'/%3E%3C/g%3E%3C/svg%3E");
  background-size:140px 140px;pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;padding-top:78px;padding-bottom:82px;}
.crumbs{font-size:13.5px;color:#8FA69B;margin-bottom:18px;display:flex;gap:8px;align-items:center;}
.crumbs a:hover{color:#fff;}
.crumbs svg{width:12px;height:12px;}
.page-banner h1{color:#fff;font-size:clamp(28px,3.6vw,42px);margin-bottom:14px;}
.page-banner p{color:#A9BBCB;font-size:16px;max-width:680px;line-height:1.9;}

/* ---------- 通用栅格 ---------- */
.cols-2{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.cols-2 img{border-radius:var(--radius);box-shadow:var(--shadow-md);width:100%;object-fit:cover;}
.cols-2 h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:16px;}
.cols-2 .lead{color:var(--ink-soft);margin-bottom:20px;line-height:2;}
.cols-2 .p-txt{color:var(--ink-soft);line-height:2;margin-bottom:14px;font-size:15px;}
.check-list{display:grid;gap:11px;margin-top:6px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;}
.check-list svg{width:18px;height:18px;color:var(--green-600);flex:none;margin-top:4px;}

/* ---------- 时间轴（grid 三列） ---------- */
.timeline{display:grid;gap:0;}
.tl-row{display:grid;grid-template-columns:132px 60px 1fr;position:relative;}
.tl-year{padding:22px 0;font-size:17px;font-weight:700;color:var(--navy-800);text-align:right;padding-right:26px;line-height:1.5;}
.tl-axis{position:relative;display:flex;justify-content:center;}
.tl-axis::before{content:"";position:absolute;top:0;bottom:0;width:2px;background:var(--line);}
.tl-row:first-child .tl-axis::before{top:50%;}
.tl-row:last-child .tl-axis::before{bottom:50%;}
.tl-dot{
  position:relative;z-index:2;align-self:center;
  width:14px;height:14px;border-radius:50%;
  background:var(--green-600);border:3px solid var(--paper);
  box-shadow:0 0 0 2px var(--green-400);
}
.tl-body{padding:18px 0 18px 30px;}
.tl-body h3{font-size:17.5px;margin-bottom:6px;}
.tl-body p{font-size:14px;color:var(--ink-soft);line-height:1.85;}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);}
table.spec{width:100%;table-layout:fixed;border-collapse:collapse;font-size:14.5px;min-width:640px;}
table.spec colgroup col:first-child{width:34%;}
table.spec th{
  background:var(--navy-800);color:#fff;text-align:left;
  padding:15px 20px;font-weight:500;font-size:14.5px;
}
table.spec td{padding:15px 20px;border-top:1px solid var(--line);color:var(--ink);vertical-align:top;}
table.spec tr:nth-child(even) td{background:#F8FBF9;}
table.spec td b{color:var(--green-700);}
table.spec td .sub{font-size:12.5px;color:var(--ink-soft);display:block;margin-top:2px;}

/* ---------- 徽章卡片 ---------- */
.cert-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cert-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 22px;text-align:center;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(20,160,92,.45);}
.cert-card .seal{width:52px;height:52px;margin:0 auto 14px;color:var(--green-600);}
.cert-card .seal svg{width:52px;height:52px;}
.cert-card h3{font-size:16px;margin-bottom:6px;}
.cert-card p{font-size:12.5px;color:var(--ink-soft);line-height:1.7;}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .equip-card img,.app-card:hover .app-thumb img,.news-card:hover .news-thumb img{transition:none;}
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:90;
  width:46px;height:46px;border-radius:12px;
  background:var(--navy-800);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,background .2s ease;
}
.to-top.show{opacity:1;pointer-events:auto;transform:none;}
.to-top:hover{background:var(--green-600);}
.to-top svg{width:20px;height:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .cards-4{grid-template-columns:repeat(2,1fr);}
  .strength-grid{grid-template-columns:repeat(3,1fr);}
  .steps-8{grid-template-columns:repeat(2,1fr);}
  .equip-grid{grid-template-columns:repeat(2,1fr);}
  .app-grid{grid-template-columns:repeat(2,1fr);}
  .cert-cards{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-certs{max-width:520px;}
}
@media (max-width:860px){
  .nav-toggle{display:flex;}
  .nav{
    position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    max-height:0;overflow:hidden;transition:max-height .35s ease;
    box-shadow:var(--shadow-md);
  }
  .nav.is-open{max-height:480px;}
  .nav a{padding:15px 24px;border-top:1px solid var(--paper-2);font-size:16px;}
  .nav a::after{display:none;}
  .header-cta .btn{display:none;}
  .topbar .container{justify-content:center;}
  .topbar-left{display:none;}
  .section{padding:64px 0;}
  .cols-2{grid-template-columns:1fr;gap:36px;}
  .quality-grid{grid-template-columns:1fr;gap:44px;}
  .quality-badge{right:10px;bottom:-20px;}
  .news-grid{grid-template-columns:1fr;}
  .hero-stats .container{grid-template-columns:repeat(2,1fr);gap:20px;}
  .tl-row{grid-template-columns:86px 44px 1fr;}
  .tl-year{font-size:15px;padding-right:14px;}
}
@media (max-width:560px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .cards-4,.steps-8,.equip-grid,.app-grid{grid-template-columns:1fr;}
  .strength-grid{grid-template-columns:repeat(2,1fr);}
  .cert-cards{grid-template-columns:1fr 1fr;}
  .footer-top{grid-template-columns:1fr;gap:34px;}
  .hero .container{padding-top:84px;padding-bottom:90px;}
  .hero-actions .btn{flex:1;}
  .cta-inner{padding-block:48px;}
  .cta-actions .btn{flex:1;}
  .tl-row{grid-template-columns:64px 36px 1fr;}
  .tl-body{padding-left:18px;}
  .quality-badge{padding:14px 16px;}
  .quality-badge b{font-size:16px;}
}