/* ===== 昆山顺航 ERP实施服务商 · 轻量静态站样式 ===== */
:root{
  --primary:#0B3D91;
  --primary-2:#13419c;
  --primary-d:#072a66;
  --accent:#00B4D8;
  --accent-2:#48cae4;
  --ink:#16202c;
  --text:#33414f;
  --muted:#6b7785;
  --line:#e4e9f0;
  --bg:#f5f7fa;
  --bg-soft:#eef3f9;
  --white:#fff;
  --shadow:0 10px 30px rgba(11,61,145,.08);
  --shadow-2:0 18px 50px rgba(11,61,145,.14);
  --radius:14px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);background:var(--white);line-height:1.75;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:104px 0}
.section.alt{background:var(--bg)}
.section.blue{background:linear-gradient(135deg,var(--primary-d),var(--primary-2));color:#fff}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:14px;position:relative;padding-left:18px}
.eyebrow::before{content:"";position:absolute;left:0;top:50%;width:10px;height:2px;background:var(--accent);transform:translateY(-50%);border-radius:2px}
.eyebrow.on-blue{color:var(--accent-2)}
.eyebrow.on-blue::before{background:var(--accent-2)}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:800}
.section.blue h2,.section.blue h3,.section.blue h4{color:#fff}
h2.title{font-size:clamp(28px,3.6vw,40px);margin-bottom:14px;text-align:center;letter-spacing:-.01em}
.subtitle{text-align:center;color:var(--muted);max-width:720px;margin:0 auto 50px;font-size:16px;line-height:1.85}
.lead{font-size:18px;color:var(--muted);max-width:760px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:.22s;cursor:pointer;border:2px solid transparent}
.btn-primary{background:var(--accent);color:#04293a}
.btn-primary:hover{background:#0096c7;transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,180,216,.35)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:18px}
.brand .mark{width:36px;height:36px;flex:0 0 36px}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em}
.menu{display:flex;gap:6px;align-items:center}
.menu a{padding:9px 14px;border-radius:9px;font-weight:600;color:var(--text);font-size:15px;transition:.18s}
.menu a:hover{color:var(--primary);background:var(--bg-soft)}
.menu a.active{color:var(--primary)}
.nav-cta{margin-left:8px}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.25s;border-radius:2px}

/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 80% -10%,rgba(0,180,216,.22),transparent 60%),radial-gradient(900px 500px at 10% 110%,rgba(72,202,228,.14),transparent 55%),linear-gradient(135deg,var(--primary-d),var(--primary-2));color:#fff}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:22px 22px;opacity:.55;mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 75%);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 75%);pointer-events:none}
.hero::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(0,180,216,.32),transparent 70%);top:-120px;right:-80px;filter:blur(20px);animation:float 8s ease-in-out infinite;pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:84px 22px 92px}
.hero h1{color:#fff;font-size:clamp(30px,4.6vw,52px);margin-bottom:20px}
.hero p.lead{color:rgba(255,255,255,.85);font-size:18px}
.hero .cta-row{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-stats{display:flex;gap:26px;margin-top:40px;flex-wrap:wrap}
.hero-stats .s b{display:block;font-size:30px;color:var(--accent-2);font-weight:800}
.hero-stats .s span{font-size:13px;color:rgba(255,255,255,.78)}
.hero-visual{position:relative;min-height:300px}
.hero-visual .panel{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:16px 18px;backdrop-filter:blur(4px)}
.hero-visual .p1{top:6%;left:4%;width:62%}
.hero-visual .p2{top:38%;right:2%;width:58%}
.hero-visual .p3{bottom:4%;left:14%;width:64%}
.hero-visual .panel h4{color:#fff;font-size:15px;margin-bottom:6px}
.hero-visual .panel .bar{height:7px;border-radius:4px;background:rgba(255,255,255,.18);margin:6px 0;overflow:hidden}
.hero-visual .panel .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent-2),var(--accent));border-radius:4px}
.hero-visual .panel small{color:rgba(255,255,255,.7);font-size:12px}

/* stats band */
.stats-band{background:var(--primary);color:#fff}
.stats-band .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:42px 22px}
.stat{text-align:center}
.stat b{display:block;font-size:38px;font-weight:800;color:#fff}
.stat b em{color:var(--accent-2);font-style:normal}
.stat span{font-size:14px;color:rgba(255,255,255,.8)}

/* cards */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.28s ease;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:linear-gradient(180deg,var(--accent),var(--primary));transition:.35s ease;border-radius:0 3px 3px 0}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{height:100%}
.card .ic{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,rgba(0,180,216,.12),rgba(11,61,145,.08));color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:.22s}
.card:hover .ic{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04293a;transform:scale(1.06)}
.card .ic .ic-svg{width:26px;height:26px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.card .tag{display:inline-block;font-size:12px;color:var(--primary);background:var(--bg-soft);padding:4px 12px;border-radius:999px;margin-top:14px;font-weight:600}

/* trial card (行业试用入口) */
a.card{text-decoration:none;color:inherit;display:flex;flex-direction:column}
.card-trial{border-color:rgba(255,138,0,.35);background:linear-gradient(180deg,rgba(255,138,0,.04),#fff 60%)}
.card-trial::after{content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;box-shadow:0 0 0 0 rgba(255,138,0,.25);transition:.35s}
.card-trial:hover{border-color:rgba(255,138,0,.55)}
.card-trial:hover::after{box-shadow:0 0 0 4px rgba(255,138,0,.18)}
.trial-badge{position:absolute;top:14px;right:14px;font-size:11.5px;font-weight:700;color:#fff;background:linear-gradient(135deg,#ff8a00,#ff5e3a);padding:4px 10px;border-radius:999px;letter-spacing:.5px;box-shadow:0 4px 10px rgba(255,94,58,.35);z-index:2}
.trial-badge::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#fff;margin-right:5px;vertical-align:middle;animation:trial-pulse 1.6s ease-in-out infinite}
@keyframes trial-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}
.trial-cta{display:inline-block;margin-top:auto;padding-top:18px;font-size:14px;font-weight:700;color:#ff5e3a;letter-spacing:.3px;transition:.2s}
.card-trial:hover .trial-cta{color:#ff3a14;transform:translateX(4px)}

/* 客户评价 / 效果数据 */
.testimonials{margin-top:8px}
.testimonial{padding:28px 26px;display:flex;flex-direction:column;gap:16px}
.testimonial .quote{font-size:15px;line-height:1.7;color:var(--ink);position:relative;padding-top:14px}
.testimonial .quote::before{content:"\201C";position:absolute;top:-14px;left:-4px;font-size:52px;line-height:1;color:var(--accent);opacity:.45;font-family:Georgia,serif}
.testimonial figcaption{margin-top:auto;border-top:1px dashed var(--line);padding-top:14px;display:flex;flex-direction:column;gap:2px}
.testimonial figcaption b{font-size:15px;color:var(--primary)}
.testimonial figcaption span{font-size:12.5px;color:var(--muted)}
.impact-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 22px;box-shadow:var(--shadow)}
.impact{text-align:center}
.impact b{display:block;font-size:30px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.impact span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* 客户形象墙 (wordmark logo wall) — 纯文字 wordmark, 灰度, hover 着色 */
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:6px}
.logo-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 16px;text-align:center;transition:.25s;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:104px;cursor:default;position:relative;overflow:hidden}
.logo-item::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,180,216,.06),rgba(11,61,145,.04));opacity:0;transition:.25s}
.logo-item:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow)}
.logo-item:hover::before{opacity:1}
.logo-item .wm{position:relative;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.04em;line-height:1.25;background:linear-gradient(135deg,#475569,#334155);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;transition:.25s}
.logo-item:hover .wm{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.logo-item .ind{position:relative;font-style:normal;font-size:12px;color:var(--muted);margin-top:8px;display:block;letter-spacing:.02em}
.logo-item.is-more{border-style:dashed;border-color:#cbd5e1;background:linear-gradient(135deg,#f8fafc,#eef2f7)}
.logo-item.is-more .wm{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.logo-item.is-more .ind{color:var(--primary);font-weight:600}

/* 授权合作伙伴 */
.partner-wrap{text-align:center}
.partner-badge{margin-top:30px;display:block;max-width:480px;margin-left:auto;margin-right:auto;position:relative;overflow:hidden;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;padding:12px;transition:transform .25s ease,box-shadow .25s ease}
.partner-badge:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(16,46,76,.16)}
.partner-badge-img{max-width:100%;width:100%;height:auto;max-height:560px;display:block;border-radius:8px;margin:0 auto}
.partner-zoom-hint{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);background:rgba(11,42,74,.86);color:#fff;font-size:13px;padding:7px 14px;border-radius:20px;opacity:0;transition:opacity .2s ease;pointer-events:none;backdrop-filter:blur(4px)}
.partner-badge:hover .partner-zoom-hint,.partner-badge:focus-visible .partner-zoom-hint{opacity:1}
.partner-meta{display:inline-flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:14px;font-size:13px;color:var(--muted)}
.partner-meta span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px}

/* section head with link */
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;flex-wrap:wrap}
.head-row h2{font-size:clamp(24px,3vw,34px)}
.head-row p{color:var(--muted);max-width:560px}

/* feature list */
.feat{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line)}
.feat:last-child{border-bottom:0}
.feat .n{flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.feat h4{font-size:16px;margin-bottom:2px}
.feat p{color:var(--muted);font-size:14px}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 18px;text-align:center}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:30px;height:30px;border-radius:50%;background:var(--accent);color:#04293a;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.step h4{margin:10px 0 6px;font-size:16px}
.step p{color:var(--muted);font-size:13.5px}

/* cases */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.case .top{height:96px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:20px;letter-spacing:.04em}
.case .body{padding:18px 20px}
.case .body .ind{font-size:12px;color:var(--accent);font-weight:700}
.case .body h4{font-size:16px;margin:4px 0 8px}
.case .body p{font-size:13.5px;color:var(--muted)}

/* timeline */
.timeline{position:relative;margin-left:8px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 22px}
.tl-item::before{content:"";position:absolute;left:-26px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,180,216,.18)}
.tl-item .yr{font-weight:800;color:var(--primary);font-size:15px}
.tl-item p{color:var(--muted);font-size:14.5px}

/* CTA banner */
.cta-banner{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border-radius:20px;padding:56px;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:18px 18px;opacity:.5;pointer-events:none}
.cta-banner>*{position:relative}
.cta-banner h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:10px}
.cta-banner p{color:rgba(255,255,255,.85);margin-bottom:24px}
.cta-banner .tel{font-size:30px;font-weight:800;color:var(--accent-2)}

/* 浮动动画 */
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(20px,-18px)}}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.info-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.info-list .ic{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,rgba(0,180,216,.12),rgba(11,61,145,.08));color:var(--primary);display:flex;align-items:center;justify-content:center}
.info-list .ic .ic-svg{width:20px;height:20px}
.info-list b{display:block;color:var(--ink);font-size:15px}
.info-list span{color:var(--muted);font-size:14px}
.contact-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.contact-card h3{margin-bottom:14px}
.contact-card .qr{width:180px;height:180px;background:#fff;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;margin-top:14px;text-align:center;padding:6px;overflow:hidden}
.contact-card .qr img{display:block;width:100%;height:100%;border-radius:8px}

/* ===== 联系表单 ===== */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-row label{display:block;font-size:14px;color:var(--ink);font-weight:600}
.form-row label.cap{display:block}
.form-row input,
.form-row select,
label.full input,
label.full select,
label.full textarea{
  display:block;width:100%;margin-top:6px;padding:11px 14px;
  border:1px solid var(--line);border-radius:10px;font-size:15px;
  font-family:inherit;color:var(--ink);background:#fff;
  transition:.18s;
}
label.full{display:block;margin-bottom:14px;font-size:14px;color:var(--ink);font-weight:600}
.form-row input:focus,
.form-row select:focus,
label.full input:focus,
label.full select:focus,
label.full textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,180,216,.15)
}
label.full textarea{resize:vertical;min-height:96px}
.captcha-row{align-items:flex-end}
.captcha-row #cap-img{
  height:46px;width:auto;max-width:120px;cursor:pointer;
  border:1px solid var(--line);border-radius:10px;background:#fff;display:block
}
#contact-form .btn-primary{font-size:16px;padding:14px 22px}
#contact-form .btn-spin{display:inline-block}
@media(max-width:540px){
  .form-row{grid-template-columns:1fr}
  .captcha-row .cap,
  .captcha-row #cap-img{grid-column:1}
}

/* footer */
.footer{background:var(--primary-d);color:rgba(255,255,255,.82);padding:54px 0 26px;font-size:14px}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer a{color:rgba(255,255,255,.78);display:block;padding:5px 0;transition:.18s}
.footer a:hover{color:var(--accent-2)}
.footer .brand{color:#fff;margin-bottom:12px}
.footer .brand small{color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:rgba(255,255,255,.6);font-size:13px}
.footer-bottom a{display:inline;padding:0;color:rgba(255,255,255,.7)}

/* 底部固定咨询条 (sticky CTA) — 移动端默认显示, 桌面端滚动后浮现 */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:center;gap:10px;padding:10px 14px;background:rgba(4,41,58,.96);backdrop-filter:blur(8px);box-shadow:0 -6px 20px rgba(0,0,0,.25);transform:translateY(0);transition:transform .35s ease;opacity:1}
.sticky-cta.hidden{display:none}
.sticky-cta .sc-tel{flex:1;display:flex;align-items:center;justify-content:center;gap:5px;color:#fff;text-decoration:none;font-weight:700;font-size:13.5px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:10px 4px;min-width:0;white-space:nowrap}
.sticky-cta .sc-tel svg{flex-shrink:0}
.sticky-cta .sc-msg{flex:1;display:flex;align-items:center;justify-content:center;color:#04293a;text-decoration:none;font-weight:800;font-size:14px;background:linear-gradient(135deg,var(--accent),var(--accent-2));border-radius:10px;padding:10px 8px;white-space:nowrap}
.sticky-cta .sc-close{position:absolute;top:-12px;right:10px;width:26px;height:26px;border-radius:50%;border:0;background:#fff;color:#04293a;font-size:18px;line-height:1;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.3)}
@media(min-width:981px){.sticky-cta{max-width:520px;left:50%;right:auto;transform:translate(-50%,120%);opacity:0;margin:0 auto;border-radius:14px 14px 0 0}
.sticky-cta.show{transform:translate(-50%,0);opacity:1}}
/* reveal: 默认可见; 仅在 JS 添加 html.js 类后才先隐藏再渐显(防 JS 异常导致永久空白) */
.reveal{opacity:1;transform:none;transition:.6s ease}
html.js .reveal{opacity:0;transform:translateY(22px)}
html.js .reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:980px){
  .hero .wrap{grid-template-columns:1fr;padding-top:60px}
  .hero-visual{display:none}
  .stats-band .wrap{grid-template-columns:repeat(2,1fr);gap:26px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:720px){
  .menu{position:fixed;top:68px;right:0;width:min(80vw,320px);height:calc(100vh - 68px);background:#fff;flex-direction:column;align-items:stretch;padding:14px;gap:4px;box-shadow:var(--shadow-2);transform:translateX(110%);transition:.28s;border-left:1px solid var(--line);overflow:auto}
  .menu.open{transform:none}
  .menu a{padding:13px 14px}
  .nav-cta{margin:8px 6px 0}
  .hamburger{display:block}
  .hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .hamburger.open span:nth-child(2){opacity:0}
  .hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stats-band .wrap{grid-template-columns:1fr 1fr}
  .cta-banner{padding:38px 22px}
  .section{padding:72px 0}
  .footer .cols{grid-template-columns:1fr}
  .logo-wall{grid-template-columns:repeat(2,1fr);gap:10px}
  .logo-item{padding:20px 10px;min-height:88px}
  .logo-item .wm{font-size:15px}
  .partner-badge-img{max-height:420px;padding:10px}
  .partner-zoom-hint{font-size:12px;padding:6px 12px}
}

/* ===== 资讯中心 / 文章卡片 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.22s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-card .nc-top{height:148px;background:linear-gradient(135deg,var(--primary-d),var(--primary-2));position:relative;display:flex;align-items:flex-end;padding:16px;color:#fff}
.news-card .nc-top .tag{background:rgba(255,255,255,.2);padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600}
.news-card .nc-body{padding:18px 18px 22px;display:flex;flex-direction:column;flex:1}
.news-card h3{font-size:18px;margin:0 0 8px;line-height:1.45}
.news-card p{color:var(--muted);font-size:14px;line-height:1.7;flex:1;margin:0}
.news-card .nc-meta{margin-top:14px;font-size:12px;color:#9aa4b0;display:flex;justify-content:space-between;align-items:center}
.news-card .nc-more{color:var(--primary);font-weight:700;font-size:13px}
@media(max-width:900px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.news-grid{grid-template-columns:1fr}}

/* ===== 文章详情页 ===== */
.article{max-width:820px;margin:0 auto;padding:0 22px}
.article-hero{padding:60px 0 26px;border-bottom:1px solid var(--line);margin-bottom:30px}
.article-hero .tag{display:inline-block;background:var(--bg);color:var(--primary);font-weight:700;font-size:12px;padding:4px 12px;border-radius:999px;margin-bottom:16px}
.article-hero h1{font-size:clamp(26px,3.6vw,40px);line-height:1.3;margin:0 0 14px}
.article-hero .meta{color:var(--muted);font-size:14px}
.article-body{font-size:17px;line-height:1.92;color:#2c3742}
.article-body h2{font-size:23px;margin:36px 0 14px;line-height:1.4}
.article-body p{margin:0 0 18px}
.article-body ul{margin:0 0 18px;padding-left:22px}
.article-body li{margin:9px 0}
.article-body .callout{background:var(--bg);border-left:4px solid var(--accent);padding:16px 18px;border-radius:0 12px 12px 0;margin:24px 0;color:var(--muted);font-size:15px}
.article-body .callout b{color:var(--primary)}
.article-cta{background:linear-gradient(135deg,var(--primary-d),var(--primary-2));color:#fff;border-radius:16px;padding:30px 28px;margin:34px 0;text-align:center}
.article-cta h3{color:#fff;margin:0 0 10px;font-size:21px}
.article-cta p{color:rgba(255,255,255,.85);margin:0 0 18px}
.related{border-top:1px solid var(--line);margin-top:30px;padding-top:24px}
.related h4{font-size:16px;margin:0 0 14px;color:var(--muted)}
.related a{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:var(--primary);font-weight:600}
.related a:hover{color:var(--accent)}