/* 悦商东方官网 · 设计系统 v4.0 —— 极简白底 · 纯红主题(logo 红 #E03418) */

:root{
  --red:#E03418;        /* 主红(取自 logo 红色系) */
  --red-d:#C1280E;      /* 深红 hover */
  --red-t:#FCEDE8;      /* 红色浅底 tint */
  --red-line:#F5CFC5;   /* 红色浅边 */
  /* 向后兼容别名(旧页面引用) */
  --brand:var(--red); --brand-d:var(--red-d); --brand-t:var(--red-t);
  --gold:#9AA0A6; --gold-d:#6B7280;   /* 旧金色引用 → 中性灰(传统业务降级用) */
  --grad:linear-gradient(135deg,#E03418,#C1280E);
  --grad-text:linear-gradient(120deg,#E03418 20%,#C1280E 90%);
  --ink:#17181C; --grey:#5F6470; --soft:#8A909C;
  --body:#5F6470;
  --bg:#FFFFFF; --bg-2:#F8F9FA; --cream:#F8F9FA;
  --line:#EBEDF0; --line-2:#E2E5E9;
  --dark:#0F1115;
  --mono:"SF Mono","JetBrains Mono",ui-monospace,"Cascadia Code",Menlo,Consolas,monospace;
  --sh-brand:0 10px 26px rgba(224,52,24,.26);
  --sh-soft:0 4px 18px rgba(23,24,28,.05);
  --r-xl:24px; --r-lg:18px; --r-md:12px;
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);line-height:1.75;background:var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
section{padding:88px 0}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ===== 排版 ===== */
h1{font-size:clamp(34px,4.6vw,52px);line-height:1.22;font-weight:800;letter-spacing:-.6px}
h2{font-size:clamp(25px,3vw,32px);line-height:1.35;font-weight:800;letter-spacing:-.4px;margin-bottom:14px}
h3{font-size:19px;font-weight:700;margin-bottom:10px;letter-spacing:-.2px}
.grad{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.kicker{display:inline-flex;align-items:center;gap:8px;background:var(--red-t);color:var(--red-d);border:1px solid var(--red-line);border-radius:6px;padding:6px 14px;font-size:11.5px;letter-spacing:2px;font-weight:700;text-transform:uppercase;margin-bottom:18px;font-family:var(--mono)}
.kicker::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--red);box-shadow:0 0 8px rgba(224,52,24,.55)}
.kicker.gold{background:#F4F5F7;color:#6B7280;border-color:#E5E7EB}
.kicker.gold::before{background:#9AA0A6}
.lead{font-size:17px;color:var(--grey);max-width:840px;line-height:1.85}

/* ===== 浮动胶囊导航 ===== */
header{position:sticky;top:0;z-index:60;padding:14px 0 10px;background:rgba(255,255,255,.72)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;height:62px;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:999px;box-shadow:0 6px 24px rgba(23,24,28,.06);padding:0 24px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.3px}
.logo img{width:40px;height:40px;object-fit:contain;border-radius:11px;box-shadow:0 2px 8px rgba(23,24,28,.10)}
.logo small{display:block;font-size:10.5px;color:var(--soft);font-weight:600;line-height:1.25;letter-spacing:.3px}
nav.main{display:flex;gap:2px;font-size:14.5px;font-weight:600;align-items:center}
nav.main a{color:var(--grey);padding:8px 14px;border-radius:999px;transition:.18s}
nav.main a:hover{color:var(--red-d);background:var(--red-t)}
nav.main a.on{color:var(--red-d);background:var(--red-t)}
.nav-cta{background:var(--red)!important;color:#fff!important;box-shadow:var(--sh-brand);margin-left:6px}
.nav-cta:hover{background:var(--red-d);transform:translateY(-1px)}
@media(max-width:980px){nav.main{display:none}}

/* ===== Hero:科技网格 + 光晕 + 粒子 ===== */
.hero{position:relative;overflow:hidden;text-align:center;padding:96px 0 96px;
  background:
    radial-gradient(46vw 24vw at 50% -10%,rgba(224,52,24,.075),transparent 60%),
    radial-gradient(rgba(224,52,24,.035) 1px,transparent 1.5px);
  background-size:auto,22px 22px}
/* 透视地面网格 */
.hero::before{content:"";position:absolute;left:-20%;right:-20%;bottom:-40%;height:78%;
  background:
    linear-gradient(rgba(224,52,24,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(224,52,24,.10) 1px,transparent 1px);
  background-size:56px 56px;
  transform:perspective(520px) rotateX(58deg);
  transform-origin:top center;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 82%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 82%);
  pointer-events:none}
/* 扫描线 */
.hero::after{content:"";position:absolute;left:0;right:0;top:0;height:1.5px;
  background:linear-gradient(90deg,transparent,rgba(224,52,24,.5),transparent);
  animation:scan 5.5s ease-in-out infinite;pointer-events:none}
@keyframes scan{0%,100%{top:0;opacity:0}12%{opacity:.9}50%{top:calc(100% - 2px);opacity:.9}62%{opacity:0}}
.hero .wrap{position:relative;z-index:2}
.hero .kicker{margin-bottom:22px}
.hero h1{max-width:860px;margin:0 auto 22px}
.hero .lead{margin:0 auto 32px;color:var(--grey);font-size:18px;max-width:720px}
.hero b{color:var(--red-d)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px}
.hero-tags span{background:rgba(255,255,255,.86);backdrop-filter:blur(6px);border:1px solid var(--line-2);border-radius:999px;padding:8px 18px;font-size:13.5px;font-weight:600;color:var(--grey);box-shadow:var(--sh-soft)}
.hero-tags span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--red);margin-right:8px;vertical-align:1px;box-shadow:0 0 8px rgba(224,52,24,.6)}
/* 漂浮粒子 */
.hero .pt{position:absolute;border-radius:50%;background:rgba(224,52,24,.5);box-shadow:0 0 10px rgba(224,52,24,.7);animation:float linear infinite;pointer-events:none;z-index:1}
@keyframes float{0%{transform:translateY(0);opacity:0}12%{opacity:.8}88%{opacity:.6}100%{transform:translateY(-140px);opacity:0}}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--red);color:#fff;border-radius:999px;padding:15px 36px;font-size:16px;font-weight:700;box-shadow:var(--sh-brand),0 0 24px rgba(224,52,24,.18);transition:.2s;border:none;position:relative;overflow:hidden}
.btn::after{content:"";position:absolute;top:0;left:-80%;width:45%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-22deg);transition:left .55s ease}
.btn:hover{background:var(--red-d);transform:translateY(-2px);box-shadow:0 14px 34px rgba(224,52,24,.36),0 0 36px rgba(224,52,24,.24)}
.btn:hover::after{left:130%}
.btn.ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line-2);box-shadow:var(--sh-soft);margin-left:12px}
.btn.ghost::after{display:none}
.btn.ghost:hover{border-color:var(--red);color:var(--red-d)}
.hero-stats{display:flex;margin-top:64px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-soft),0 0 0 1px rgba(224,52,24,.0),0 0 42px rgba(224,52,24,.05);overflow:hidden;position:relative}
.hero-stats::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,transparent,var(--red),transparent)}
.hero-stats .hs{flex:1;padding:26px 12px;text-align:center;position:relative}
.hero-stats .hs+.hs{border-left:1px solid var(--line)}
.hero-stats b{display:block;font-size:34px;font-weight:800;color:var(--red);letter-spacing:-1px;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:12.5px;color:var(--soft);font-family:var(--mono);letter-spacing:.5px}
@media(max-width:760px){.hero{padding:72px 0 64px}.hero::before{display:none}.hero-stats{flex-wrap:wrap}.hero-stats .hs{flex:1 1 50%}.hero-stats .hs:nth-child(3){border-left:none;border-top:1px solid var(--line)}.hero-stats .hs:nth-child(4){border-top:1px solid var(--line)}.btn.ghost{margin-left:0;margin-top:12px}}

/* ===== 客户跑马灯(logo 预留位) ===== */
.marquee{overflow:hidden;padding:34px 0 38px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.m-title{text-align:center;font-size:12.5px;color:var(--soft);letter-spacing:2.5px;margin-bottom:22px;font-weight:700}
.m-track{display:flex;width:max-content;animation:mar 42s linear infinite}
.m-track:hover{animation-play-state:paused}
.m-group{display:flex;gap:14px;padding-right:14px}
@keyframes mar{to{transform:translateX(-50%)}}
.c-logo{display:inline-flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px 24px 11px 12px;box-shadow:var(--sh-soft);white-space:nowrap;transition:.2s}
.c-logo:hover{border-color:rgba(224,52,24,.32);transform:translateY(-2px);box-shadow:0 10px 24px rgba(224,52,24,.10)}
.c-logo .mono{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:800;color:#fff;background:#4A5058;letter-spacing:.5px;flex-shrink:0;transition:.2s}
.c-logo:hover .mono{background:var(--red)}
.c-logo img{width:36px;height:36px;object-fit:contain;border-radius:9px;flex-shrink:0}
.c-logo .wm{font-size:15px;font-weight:700;color:#3A3F49;line-height:1.25}
@media(max-width:640px){.c-logo{padding:9px 18px 9px 10px}.c-logo .wm{font-size:13.5px}}

/* ===== 卡片 ===== */
.grid{display:grid;gap:18px;margin-top:40px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;transition:.22s;box-shadow:var(--sh-soft);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:-70%;width:42%;height:100%;background:linear-gradient(100deg,transparent,rgba(224,52,24,.06),transparent);transform:skewX(-20deg);transition:left .6s ease;pointer-events:none}
.card::after{content:"";position:absolute;inset:0 0 auto 0;height:2.5px;background:linear-gradient(90deg,var(--red),#FF8A70);opacity:0;transition:.22s}
.card:hover{transform:translateY(-4px);border-color:rgba(224,52,24,.38);box-shadow:0 14px 34px rgba(224,52,24,.10),0 0 0 1px rgba(224,52,24,.06)}
.card:hover::before{left:125%}
.card:hover::after{opacity:1}
.card .icon{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:var(--red-t);border:1px solid var(--red-line);margin-bottom:16px;position:relative}
.card .icon::after{content:"";position:absolute;right:-14px;bottom:-1px;width:7px;height:7px;border-radius:2px;background:var(--red);opacity:.55}
.card p{font-size:14.5px;color:var(--grey)}
.card .more{display:inline-flex;align-items:center;gap:5px;margin-top:14px;color:var(--red);font-weight:700;font-size:14px;transition:.2s}
.card:hover .more{gap:9px}
.price-tag{font-size:23px;font-weight:800;color:var(--red);margin:6px 0 10px;font-variant-numeric:tabular-nums}
.price-tag small{font-size:13px;color:var(--soft);font-weight:500}
.card.legacy{background:#FAFBFC;border:1.5px dashed #D8DBE0;box-shadow:none}
.card.legacy::before,.card.legacy .icon::after{display:none}
.card.legacy::after{display:none}
.card.legacy:hover{transform:translateY(-3px);box-shadow:var(--sh-soft);border-color:#C4C8CF}
.card.legacy .icon{background:#F4F5F7;border-color:#E5E7EB}
.card.legacy .price-tag{color:#6B7280}

/* ===== 条带区块 ===== */
.strip{background:
  radial-gradient(rgba(23,24,28,.028) 1px,transparent 1px);
  background-size:22px 22px}
.strip-dark{background:var(--dark);color:#E5E7EB;border-radius:var(--r-xl);margin:10px 22px;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.06)}
.strip-dark::before{content:"";position:absolute;right:-130px;top:-130px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(224,52,24,.20),transparent 65%)}
.strip-dark::after{content:"";position:absolute;inset:0;
  background:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(75% 75% at 50% 25%,#000,transparent);
  mask-image:radial-gradient(75% 75% at 50% 25%,#000,transparent);pointer-events:none}
.strip-dark h2{color:#fff}
.strip-dark .lead{color:#A7ABB5}
.strip-dark .kicker{background:rgba(255,255,255,.08);color:#FF8A70;border-color:rgba(255,255,255,.14)}
.strip-dark .kicker::before{background:#FF8A70}
.strip-dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);box-shadow:none}
.strip-dark .card:hover{border-color:rgba(255,138,112,.45);box-shadow:0 16px 36px rgba(0,0,0,.3)}
.strip-dark .card h3{color:#fff}
.strip-dark .card p{color:#A7ABB5}
.strip-dark .price-tag{color:#FF8A70}
.strip-dark .card .more{color:#FF8A70}
.checklist{list-style:none;margin-top:18px}
.checklist li{padding:10px 0 10px 38px;position:relative;font-size:15.5px;color:var(--ink)}
.checklist li::before{content:"✓";position:absolute;left:0;top:11px;width:25px;height:25px;border-radius:9px;background:var(--red);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center}
.strip-dark .checklist li{color:#E5E7EB}

/* ===== 表格 ===== */
table.cmp{width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;margin-top:32px;background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 0 0 1px var(--line),var(--sh-soft)}
table.cmp th{background:var(--dark);color:#E5E7EB;padding:15px 18px;text-align:left;font-size:12.5px;letter-spacing:1.5px;font-family:var(--mono);text-transform:uppercase}
table.cmp th:first-child{position:relative}
table.cmp th:first-child::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--red)}
table.cmp td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--grey)}
table.cmp tr:last-child td{border-bottom:none}
table.cmp td:first-child{color:var(--ink);font-weight:600}

/* ===== 步骤 ===== */
.steps{display:flex;gap:0;margin-top:44px;position:relative;z-index:1}
.steps .s{flex:1;text-align:center;position:relative;padding:0 10px}
.steps .dot{width:56px;height:56px;border-radius:18px;background:var(--red);color:#fff;font-size:21px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;box-shadow:var(--sh-brand),0 0 0 0 rgba(224,52,24,.45);transition:.25s;position:relative}
.steps .s:hover .dot{transform:translateY(-4px) scale(1.05);animation:pulse 1.6s ease-out infinite}
@keyframes pulse{0%{box-shadow:var(--sh-brand),0 0 0 0 rgba(224,52,24,.45)}70%{box-shadow:var(--sh-brand),0 0 0 16px rgba(224,52,24,0)}100%{box-shadow:var(--sh-brand),0 0 0 0 rgba(224,52,24,0)}}
.strip-dark .steps .dot{background:#FF6B52;color:var(--dark);box-shadow:0 10px 26px rgba(255,107,82,.3),0 0 0 0 rgba(255,107,82,.4)}
.strip-dark .steps .s:hover .dot{animation:pulseD 1.6s ease-out infinite}
@keyframes pulseD{0%{box-shadow:0 10px 26px rgba(255,107,82,.3),0 0 0 0 rgba(255,107,82,.4)}70%{box-shadow:0 10px 26px rgba(255,107,82,.3),0 0 0 16px rgba(255,107,82,0)}100%{box-shadow:0 10px 26px rgba(255,107,82,.3),0 0 0 0 rgba(255,107,82,0)}}
.steps .s:not(:last-child)::after{content:"";position:absolute;top:28px;left:calc(50% + 34px);width:calc(100% - 68px);height:2px;background:repeating-linear-gradient(90deg,var(--line-2) 0 8px,transparent 8px 16px)}
.steps h4{font-size:16px;font-weight:700;margin-bottom:6px}
.steps p{font-size:13px;color:var(--grey)}
.strip-dark .steps .s p{color:#A7ABB5}
.strip-dark .steps .s:not(:last-child)::after{background:repeating-linear-gradient(90deg,rgba(255,255,255,.2) 0 8px,transparent 8px 16px)}
@media(max-width:760px){.steps{flex-direction:column;gap:26px}.steps .s:not(:last-child)::after{display:none}}

/* ===== FAQ ===== */
details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:2px 24px;margin-bottom:14px;box-shadow:var(--sh-soft);transition:.2s}
details[open]{border-color:rgba(224,52,24,.35)}
details summary{font-weight:700;font-size:16px;cursor:pointer;color:var(--ink);padding:18px 44px 18px 0;position:relative;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";position:absolute;right:2px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:10px;background:var(--red-t);color:var(--red-d);font-size:19px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:.25s}
details[open] summary::after{transform:translateY(-50%) rotate(45deg);background:var(--red);color:#fff}
details p{margin:0 0 20px;color:var(--grey);font-size:14.5px}

/* ===== CTA ===== */
.cta-box{background:var(--red);border-radius:var(--r-xl);color:#fff;padding:52px 48px;display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap;position:relative;overflow:hidden;box-shadow:0 18px 48px rgba(224,52,24,.28)}
.cta-box::before{content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 65%)}
.cta-box::after{content:"";position:absolute;inset:0;background:
  linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(80% 90% at 100% 0%,#000,transparent 70%);
  mask-image:radial-gradient(80% 90% at 100% 0%,#000,transparent 70%);pointer-events:none}
.cta-box h2{color:#fff;font-size:27px;position:relative;z-index:1}
.cta-box p{color:#FFE3DC;font-size:15px;position:relative;z-index:1}
.cta-box .btn{background:#fff;color:var(--red-d);box-shadow:0 10px 24px rgba(60,10,0,.18);position:relative;z-index:1}

/* ===== 内页 Hero ===== */
.page-hero{position:relative;overflow:hidden;text-align:center;background:
    radial-gradient(46vw 24vw at 50% -10%,rgba(224,52,24,.065),transparent 62%),
    radial-gradient(rgba(224,52,24,.032) 1px,transparent 1.5px);
  background-size:auto,22px 22px;padding:72px 0 64px;color:var(--ink)}
.page-hero::after{content:"";position:absolute;left:0;right:0;top:0;height:1.5px;background:linear-gradient(90deg,transparent,rgba(224,52,24,.45),transparent);animation:scan 6.5s ease-in-out infinite;pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-size:clamp(30px,3.8vw,42px);max-width:820px;margin:0 auto}
.page-hero .lead{margin:16px auto 0;color:var(--grey);max-width:700px}
.page-hero .kicker{margin-bottom:16px}

/* ===== 子页锚点导航 ===== */
.subnav{position:sticky;top:86px;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;padding:10px 28px}
.subnav a{font-size:14px;font-weight:600;color:var(--grey);padding:8px 16px;border-radius:999px;white-space:nowrap;transition:.18s}
.subnav a:hover{color:var(--red-d);background:var(--red-t)}

/* ===== 页脚 ===== */
footer{background:var(--dark);color:#9CA3AF;padding:64px 0 34px;font-size:14px;position:relative;overflow:hidden}
footer::before{content:"";position:absolute;left:50%;top:-160px;transform:translateX(-50%);width:560px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(224,52,24,.12),transparent 68%)}
.f-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:34px;position:relative;z-index:1}
.f-grid h4{color:#fff;font-size:15px;margin-bottom:16px}
.f-grid a{display:block;padding:5px 0;color:#9CA3AF;transition:.18s}
.f-grid a:hover{color:#FF8A70;transform:translateX(3px)}
.copy{border-top:1px solid rgba(255,255,255,.10);margin-top:38px;padding-top:24px;font-size:12.5px;color:#6B7280;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;position:relative;z-index:1}
@media(max-width:760px){.f-grid{grid-template-columns:1fr 1fr}}

/* ===== 证书墙 ===== */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
@media(max-width:980px){.cert-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.cert-grid{grid-template-columns:1fr}}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;box-shadow:var(--sh-soft);transition:.22s;cursor:zoom-in;display:flex;flex-direction:column;position:relative}
.cert:hover{transform:translateY(-4px);border-color:rgba(224,52,24,.35);box-shadow:0 14px 30px rgba(224,52,24,.10)}
.cert .ph{border-radius:10px;overflow:hidden;background:var(--bg-2);display:flex;align-items:center;justify-content:center;height:190px}
.cert .ph img{width:100%;height:100%;object-fit:cover;transition:.3s}
.cert:hover .ph img{transform:scale(1.04)}
.cert h4{font-size:14.5px;font-weight:700;margin:12px 2px 3px;line-height:1.4}
.cert p{font-size:12px;color:var(--soft);margin:0 2px}
.cert .zoom-hint{position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(21,22,26,.55));opacity:0;transition:.22s;display:flex;align-items:flex-end;justify-content:center;padding-bottom:12px;color:#fff;font-size:12.5px;font-weight:600;pointer-events:none}
/* 灯箱 */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(15,16,20,.86);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:5vh 5vw;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:90vh;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox .cap{position:fixed;bottom:3vh;left:0;right:0;text-align:center;color:#E5E7EB;font-size:14px;letter-spacing:1px}
.lightbox .x{position:fixed;top:3vh;right:3vw;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer}

/* ===== 标签 chip ===== */
.tag{display:inline-block;background:var(--red-t);color:var(--red-d);border:1px solid var(--red-line);border-radius:999px;padding:5px 14px;font-size:12.5px;font-weight:600;margin:4px 6px 4px 0}

/* 面包屑 */
.crumb{font-size:13px;color:var(--soft);padding:6px 0 0}
.crumb a{color:var(--red)}

/* ===== 滚动浮现 ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .m-track{animation:none}
  .card,.btn,.steps .dot{transition:none}
  .hero::after,.page-hero::after{animation:none;opacity:0}
  .pt{display:none}
  .steps .s:hover .dot{animation:none}
}