/* ==========================================================================
   瓯潮 tide — 全站样式（唯一 CSS：assets/css/style.css）
   主色 琥珀金 #D97706 / 辅色 深海蓝 #0A2238 / 母题 潮浪曲线
   ========================================================================== */
:root{
  --brand:#D97706;
  --brand-2:#B45309;
  --brand-soft:#FEF3E2;
  --amber-300:#FBBF24;
  --amber-400:#F59E0B;
  --ink:#0A2238;
  --ink-2:#122F4C;
  --text:#22303F;
  --text-soft:#5B6B7E;
  --text-faint:#8CA0B3;
  --bg:#FBF7F1;
  --surface:#FFFFFF;
  --line:#EAE1D3;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 10px 30px rgba(10,34,56,.08);
  --shadow-lg:0 24px 60px rgba(10,34,56,.16);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{transition:color .2s ease}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
svg{display:inline-block;vertical-align:middle}

/* ---------- 按钮（动效④：光斑滑过 / 颜色反馈） ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;position:relative;overflow:hidden}
.btn svg{transition:transform .25s ease}
.btn:hover svg{transform:translateX(4px)}
.btn--primary{background:linear-gradient(135deg,var(--brand),var(--amber-400));color:#fff;box-shadow:0 10px 24px rgba(217,119,6,.32)}
.btn--primary::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);transition:left .55s ease}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(217,119,6,.4);color:#fff}
.btn--primary:hover::after{left:130%}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn--light{background:#fff;color:var(--brand-2)}
.btn--light:hover{background:var(--brand-soft);color:var(--brand-2);transform:translateY(-2px)}
.btn--outline{background:transparent;color:var(--brand-2);border-color:var(--brand)}
.btn--outline:hover{background:var(--brand);color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(10,34,56,.08)}
.nav-wrap{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--brand-2);flex-shrink:0}
.brand__mark{color:var(--brand)}
.brand__name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.main-nav{flex:1;display:flex;justify-content:center}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;flex-wrap:nowrap}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:5px;padding:10px 11px;font-size:15px;color:var(--text);text-decoration:none;border-radius:8px;line-height:1.4;position:relative;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--brand-2)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-2);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-caret{font-size:11px;color:var(--text-faint);transition:transform .25s ease}
.nav-item.has-drop:hover .nav-caret{transform:rotate(180deg)}
.nav-drop{position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%,8px);min-width:180px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;z-index:70}
.nav-item.has-drop:hover .nav-drop,.nav-item.has-drop:focus-within .nav-drop{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav-drop__link{display:block;padding:9px 14px;font-size:14.5px;color:var(--text);text-decoration:none;border-radius:8px;white-space:nowrap}
.nav-drop__link:hover{background:var(--brand-soft);color:var(--brand-2)}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;font-size:14.5px;font-weight:600;color:#fff;text-decoration:none;padding:9px 20px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--amber-400));box-shadow:0 8px 20px rgba(217,119,6,.28);flex-shrink:0;white-space:nowrap;transition:transform .25s ease,box-shadow .25s ease}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(217,119,6,.38);color:#fff}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);cursor:pointer;padding:6px}

/* ---------- Hero（变体 D：毛玻璃浮层卡片） ---------- */
.hero{position:relative;background:linear-gradient(160deg,#0A2238 0%,#0E2F4E 55%,#123B63 100%);overflow:hidden}
.hero::before{content:"";position:absolute;width:560px;height:560px;right:-140px;top:-160px;background:radial-gradient(circle,rgba(245,158,11,.22),transparent 65%)}
.hero::after{content:"";position:absolute;width:480px;height:480px;left:-160px;bottom:-200px;background:radial-gradient(circle,rgba(251,191,36,.14),transparent 65%)}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:88px 24px 96px}
.hero__slides{position:relative;min-height:360px}
.hero__slide{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s ease;pointer-events:none}
.hero__slide.is-active{opacity:1;transform:none;pointer-events:auto}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;letter-spacing:3px;color:var(--amber-300);font-weight:600;margin-bottom:18px}
.hero__eyebrow::before{content:"";width:34px;height:2px;background:var(--amber-400);border-radius:2px}
.hero__title{font-size:clamp(30px,3.6vw,44px);line-height:1.3;color:#fff;font-weight:800;margin-bottom:18px}
.hero__desc{font-size:16.5px;color:rgba(255,255,255,.78);max-width:520px;margin-bottom:30px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__dots{position:absolute;left:0;bottom:-8px;display:flex;gap:9px;z-index:3}
.hero__dot{width:26px;height:4px;border-radius:4px;border:0;background:rgba(255,255,255,.28);cursor:pointer;transition:background .25s ease,width .25s ease;padding:0}
.hero__dot.is-active{background:var(--amber-400);width:40px}
.hero__arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s ease,border-color .25s ease}
.hero__arrow:hover{background:rgba(255,255,255,.2);border-color:#fff}
.hero__arrow--prev{left:-8px}
.hero__arrow--next{right:-8px}
/* 毛玻璃浮层卡片 */
.hero__panel{position:relative;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:34px 30px;box-shadow:0 30px 70px rgba(3,15,28,.4)}
.hero__panel__wave{position:absolute;top:-26px;right:22px;color:var(--amber-400);animation:tideFloat 5.5s ease-in-out infinite}
.hero__panel__title{font-size:15px;letter-spacing:2px;color:rgba(255,255,255,.66);margin-bottom:20px;font-weight:600}
.panel-row{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.panel-row:last-child{border-bottom:0}
.panel-row__icon{flex-shrink:0;width:42px;height:42px;border-radius:12px;background:rgba(245,158,11,.16);color:var(--amber-300);display:flex;align-items:center;justify-content:center}
.panel-row__name{color:#fff;font-weight:600;font-size:15.5px}
.panel-row__desc{color:rgba(255,255,255,.6);font-size:13px}
.no-js .hero__slide{opacity:1;position:relative;pointer-events:auto;margin-bottom:28px}
.no-js .hero__slides{min-height:0}
.no-js .hero__dots,.no-js .hero__arrow{display:none}
@keyframes tideFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 信任条（变体 D：深色底贴 hero 下方） ---------- */
.trust{background:linear-gradient(180deg,#0C2742,#0A2238);border-top:1px solid rgba(255,255,255,.07);padding:42px 0}
.trust__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.trust-item{text-align:center;position:relative}
.trust-item + .trust-item::before{content:"";position:absolute;left:-12px;top:18%;height:64%;width:1px;background:rgba(255,255,255,.1)}
.trust-item__num{font-size:clamp(28px,3vw,38px);font-weight:800;color:var(--amber-400);font-variant-numeric:tabular-nums;line-height:1.2}
.trust-item__label{margin-top:6px;font-size:14px;color:rgba(255,255,255,.72)}

/* ---------- 通用区块 ---------- */
.section{padding:84px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--surface)}
.section__head{text-align:center;max-width:680px;margin:0 auto 52px}
.section__eyebrow{font-size:13px;letter-spacing:3px;color:var(--brand);font-weight:700;text-transform:uppercase;margin-bottom:10px}
.section__title{font-size:clamp(24px,2.6vw,32px);color:var(--ink);font-weight:800;line-height:1.35}
.section__sub{margin-top:12px;color:var(--text-soft);font-size:15.5px}

/* ---------- 业务卡（变体 D：首卡放大 + 3 小卡不对称） ---------- */
/* biz-grid：去掉 grid-template-areas 强制拉伸（导致 lead 被右侧 3 卡撑高留空白），改为 grid-column/row + align-items:start 让 lead 按内容自然高 */
.biz-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px;align-items:start}
.biz-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;display:flex;flex-direction:column}
.biz-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(217,119,6,.4)}
.biz-card--lead{grid-column:1;grid-row:1/span 3;background:linear-gradient(165deg,#0E2F4E,#0A2238);border-color:#0E2F4E;padding:44px 40px}
/* 右侧 3 小卡：横向头部布局（icon 左 + 标题/描述右）+ 下方子栏目，让卡片变矮与 lead 高度接近 */
.biz-card--side{padding:22px 24px}
.biz-card--side .biz-card__head{display:flex;align-items:flex-start;gap:14px;margin-bottom:14px}
.biz-card--side .biz-card__icon{width:42px;height:42px;margin-bottom:0;flex-shrink:0}
.biz-card--side .biz-card__title{font-size:17px;margin-bottom:5px}
.biz-card--side .biz-card__desc{font-size:13px;line-height:1.55;color:var(--text-soft);flex:none}
.biz-card--side .biz-card__chips{margin-top:0}
.biz-card--side .biz-card__link{margin-top:14px}
.biz-grid .biz-card:nth-child(2){grid-column:2;grid-row:1}
.biz-grid .biz-card:nth-child(3){grid-column:2;grid-row:2}
.biz-grid .biz-card:nth-child(4){grid-column:2;grid-row:3}
.biz-card__corner{position:absolute;right:-14px;bottom:-10px;color:rgba(217,119,6,.1);pointer-events:none}
.biz-card--lead .biz-card__corner{color:rgba(251,191,36,.14)}
.biz-card__icon{width:52px;height:52px;border-radius:14px;background:var(--brand-soft);color:var(--brand-2);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.biz-card--lead .biz-card__icon{background:rgba(245,158,11,.18);color:var(--amber-300);width:60px;height:60px}
.biz-card__title{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px}
.biz-card--lead .biz-card__title{color:#fff;font-size:26px}
.biz-card__desc{font-size:14.5px;color:var(--text-soft);flex:1}
.biz-card--lead .biz-card__desc{color:rgba(255,255,255,.74);font-size:15.5px}
.biz-card__chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.biz-chip{display:inline-block;padding:5px 13px;font-size:12.5px;border-radius:999px;background:var(--brand-soft);color:var(--brand-2);text-decoration:none;border:1px solid rgba(217,119,6,.22)}
.biz-chip:hover{background:var(--brand);color:#fff}
.biz-card--lead .biz-chip{background:rgba(255,255,255,.1);color:rgba(255,255,255,.88);border-color:rgba(255,255,255,.2)}
.biz-card--lead .biz-chip:hover{background:var(--amber-400);color:#0A2238}
.biz-card__link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14.5px;font-weight:600;color:var(--brand-2);text-decoration:none}
.biz-card--lead .biz-card__link{color:var(--amber-300)}
.biz-card__link svg{transition:transform .25s ease}
.biz-card__link:hover svg{transform:translateX(4px)}

/* lead 大卡子分类卡片网格（填充空白，替代纯文字链接） */
.biz-card__subgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
.biz-sub{display:flex;align-items:center;gap:11px;padding:13px 15px;border-radius:13px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.92);text-decoration:none;transition:background .25s ease,border-color .25s ease,transform .25s ease}
.biz-sub:hover{background:rgba(255,255,255,.14);border-color:rgba(251,191,36,.45);transform:translateY(-3px);color:#fff}
.biz-sub__icon{width:36px;height:36px;border-radius:10px;background:rgba(245,158,11,.16);color:var(--amber-300);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;transition:transform .3s ease,background .3s ease}
.biz-sub:hover .biz-sub__icon{transform:scale(1.1) rotate(-6deg);background:rgba(245,158,11,.26)}
.biz-sub__icon svg{width:18px;height:18px;max-width:18px;max-height:18px;flex-shrink:0}
.biz-sub__name{font-size:13.5px;font-weight:600;line-height:1.35}

/* 动效：业务卡图标 hover 微交互 */
.biz-card__icon{transition:transform .3s ease,background .3s ease}
.biz-card:hover .biz-card__icon{transform:scale(1.08) rotate(-5deg)}

/* 动效：流程节点呼吸脉冲（自动循环，不强依赖 hover） */
.step__node{animation:nodePulse 3.2s ease-in-out infinite}
@keyframes nodePulse{0%,100%{box-shadow:0 6px 18px rgba(217,119,6,.2)}50%{box-shadow:0 6px 26px rgba(217,119,6,.45),0 0 0 6px rgba(217,119,6,.10)}}
.step:hover .step__node{animation-play-state:paused;transform:scale(1.06)}

/* 动效：信任条数字 hover 上浮 */
.trust-item__num{transition:transform .3s ease}
.trust-item:hover .trust-item__num{transform:translateY(-4px)}

/* ---------- 流程（变体 B：竖排时间线） ---------- */
.steps{position:relative;max-width:760px;margin:0 auto}
.steps::before{content:"";position:absolute;left:27px;top:16px;bottom:16px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(217,119,6,.15));border-radius:2px}
.step{position:relative;display:flex;gap:26px;padding:22px 0}
.step__node{flex-shrink:0;width:56px;height:56px;border-radius:50%;background:var(--surface);border:2px solid var(--brand);color:var(--brand-2);font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;position:relative;z-index:2;box-shadow:0 6px 18px rgba(217,119,6,.2)}
.step__body{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 26px;flex:1;transition:transform .3s ease,box-shadow .3s ease}
.step:hover .step__body{transform:translateX(6px);box-shadow:var(--shadow)}
.step__title{font-size:17.5px;font-weight:700;color:var(--ink);margin-bottom:6px}
.step__desc{font-size:14.5px;color:var(--text-soft)}

/* ---------- 资讯（变体 D：双栏混合 置顶 1 条 + 小卡列表） ---------- */
.news-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;align-items:start}
.news-feature{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;text-decoration:none;transition:transform .3s ease,box-shadow .3s ease}
.news-feature:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-feature__visual{height:220px;background:linear-gradient(150deg,#0E2F4E,#1B4965);position:relative;display:flex;align-items:flex-end;padding:22px}
.news-feature__visual svg{position:absolute;inset:0;width:100%;height:100%;color:rgba(251,191,36,.2)}
.news-feature__cat{position:relative;z-index:2;display:inline-block;padding:4px 13px;border-radius:999px;background:rgba(245,158,11,.9);color:#0A2238;font-size:12.5px;font-weight:700}
.news-feature__body{padding:24px 26px 28px}
.news-feature__date{font-size:13px;color:var(--text-faint)}
.news-feature__title{font-size:20px;font-weight:700;color:var(--ink);margin:8px 0 10px;line-height:1.45}
.news-feature:hover .news-feature__title{color:var(--brand-2)}
.news-feature__desc{font-size:14.5px;color:var(--text-soft)}
.news-list{display:flex;flex-direction:column;gap:12px}
.news-item{display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:15px 20px;text-decoration:none;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.news-item:hover{transform:translateX(6px);border-color:rgba(217,119,6,.4);box-shadow:var(--shadow)}
.news-item__date{flex-shrink:0;text-align:center;width:56px;padding:6px 0;border-right:1px dashed var(--line)}
.news-item__date b{display:block;font-size:19px;color:var(--brand-2);line-height:1.2}
.news-item__date span{font-size:12px;color:var(--text-faint)}
.news-item__title{font-size:15px;color:var(--ink);font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover .news-item__title{color:var(--brand-2)}
.news-item__cat{flex-shrink:0;font-size:12px;color:var(--text-faint)}

/* ---------- CTA 卡片组（变体 D，4 卡） ---------- */
.cta-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cta-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 24px;text-decoration:none;display:flex;flex-direction:column;gap:10px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;position:relative;overflow:hidden}
.cta-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--amber-400));transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.cta-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(217,119,6,.4)}
.cta-card:hover::before{transform:scaleX(1)}
.cta-card__icon{width:46px;height:46px;border-radius:12px;background:var(--brand-soft);color:var(--brand-2);display:flex;align-items:center;justify-content:center}
.cta-card__title{font-size:16.5px;font-weight:700;color:var(--ink)}
.cta-card__desc{font-size:13.5px;color:var(--text-soft);flex:1}
.cta-card__more{font-size:13.5px;font-weight:600;color:var(--brand-2);display:inline-flex;align-items:center;gap:5px}
.cta-card__more svg{transition:transform .25s ease}
.cta-card:hover .cta-card__more svg{transform:translateX(4px)}

/* ---------- CTA 通栏横幅（深色区浅色文字） ---------- */
.cta-banner{background:linear-gradient(135deg,#0A2238,#123B63);border-radius:var(--radius-lg);padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-banner::after{content:"";position:absolute;width:360px;height:360px;right:-120px;top:-140px;background:radial-gradient(circle,rgba(245,158,11,.2),transparent 65%)}
.cta-banner__title{font-size:clamp(22px,2.4vw,28px);color:#fff;font-weight:800;line-height:1.4}
.cta-banner__desc{margin-top:8px;color:rgba(255,255,255,.78);font-size:15px;max-width:560px}
.cta-banner__actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- 页头（深色区 + 面包屑浅色强约束） ---------- */
.page-hero{position:relative;background:linear-gradient(160deg,#0A2238 0%,#0E2F4E 60%,#123B63 100%);padding:72px 0 64px;overflow:hidden}
.page-hero::before{content:"";position:absolute;width:460px;height:460px;right:-120px;top:-160px;background:radial-gradient(circle,rgba(245,158,11,.18),transparent 65%)}
.page-hero__inner{position:relative;z-index:2}
.page-hero__title{font-size:clamp(26px,3vw,36px);color:#fff;font-weight:800;margin:14px 0 10px}
.page-hero__desc{color:rgba(255,255,255,.78);font-size:15.5px;max-width:640px}
.page-hero__wave{position:absolute;left:0;right:0;bottom:-1px;color:var(--bg);line-height:0}
.page-hero__wave svg{width:100%;height:44px;display:block}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:rgba(255,255,255,.68)}
.page-hero .breadcrumb{color:rgba(255,255,255,.68)}
.page-hero .breadcrumb a{color:rgba(255,255,255,.78);text-decoration:none}
.page-hero .breadcrumb a:hover{color:#fff}
.page-hero .breadcrumb span{color:rgba(255,255,255,.45)}
.breadcrumb--light{color:var(--text-soft)}
.breadcrumb--light a{color:var(--text-soft);text-decoration:none}
.breadcrumb--light a:hover{color:var(--brand-2)}
.breadcrumb--light span{color:var(--text-faint)}

/* ---------- 文章卡 / 列表页 ---------- */
.layout-2col{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article-grid--2{grid-template-columns:repeat(2,1fr)}
.article-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;text-decoration:none;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(217,119,6,.4)}
.article-card__meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-faint);margin-bottom:10px}
.article-card__cat{padding:2px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-2);font-weight:600}
.article-card__title{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-card:hover .article-card__title{color:var(--brand-2)}
.article-card__desc{font-size:13.5px;color:var(--text-soft);flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-card__more{margin-top:14px;font-size:13px;font-weight:600;color:var(--brand-2);display:inline-flex;align-items:center;gap:5px}
.article-card__more svg{transition:transform .25s ease}
.article-card:hover .article-card__more svg{transform:translateX(4px)}
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.page-link{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:14px;text-decoration:none;transition:all .2s ease}
.page-link:hover{border-color:var(--brand);color:var(--brand-2)}
.page-link.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}
.page-link.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 侧栏 ---------- */
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;margin-bottom:22px}
.side-card__title{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px;padding-left:12px;border-left:3px solid var(--brand)}
.side-nav{list-style:none}
.side-nav li{margin-bottom:4px}
.side-nav a{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;border-radius:9px;font-size:14.5px;color:var(--text);text-decoration:none}
.side-nav a:hover{background:var(--brand-soft);color:var(--brand-2)}
.side-nav a.is-active{background:var(--brand-soft);color:var(--brand-2);font-weight:600}
.side-nav svg{color:var(--text-faint)}
.side-list{list-style:none}
.side-list li{margin-bottom:10px}
.side-list a{display:block;font-size:14px;color:var(--text);text-decoration:none;line-height:1.55;padding:8px 10px;border-radius:8px}
.side-list a:hover{background:var(--brand-soft);color:var(--brand-2)}
.side-cta{background:linear-gradient(160deg,#0E2F4E,#0A2238);border-radius:var(--radius-lg);padding:28px 24px;color:#fff;text-align:center}
.side-cta__title{font-size:17px;font-weight:700;margin-bottom:8px}
.side-cta__desc{font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px}

/* ---------- 正文排版 ---------- */
.page-content{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:44px 48px}
.page-content h2{font-size:22px;color:var(--ink);margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.page-content h3{font-size:18px;color:var(--ink);margin:24px 0 10px}
.page-content p{margin-bottom:14px;color:var(--text)}
.page-content ul,.page-content ol{margin:0 0 14px 22px}
.page-content li{margin-bottom:6px}
.page-content img{border-radius:var(--radius);margin:14px 0}
.page-content blockquote{border-left:4px solid var(--brand);background:var(--brand-soft);padding:14px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:16px 0;color:var(--text-soft)}
.article-body h2{font-size:22px;color:var(--ink);margin:32px 0 14px}
.article-body h3{font-size:18.5px;color:var(--ink);margin:26px 0 12px}
.article-body p{margin-bottom:16px;font-size:16px;line-height:1.85}
.article-body ul,.article-body ol{margin:0 0 16px 24px}
.article-body li{margin-bottom:8px;line-height:1.8}
.article-body img{border-radius:var(--radius);margin:16px 0;max-width:100%}
.article-body blockquote{border-left:4px solid var(--brand);background:var(--brand-soft);padding:16px 22px;border-radius:0 var(--radius) var(--radius) 0;margin:18px 0;color:var(--text-soft)}
.article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--text-soft);padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:28px}
.article-meta svg{color:var(--brand)}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:36px}
.prev-next__item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;text-decoration:none;transition:border-color .25s ease,box-shadow .25s ease}
.prev-next__item:hover{border-color:rgba(217,119,6,.45);box-shadow:var(--shadow)}
.prev-next__label{font-size:12.5px;color:var(--text-faint);margin-bottom:6px}
.prev-next__title{font-size:14.5px;color:var(--ink);font-weight:600;line-height:1.5}

/* ---------- 表单 ---------- */
.form{display:grid;gap:18px}
.form__row{display:grid;gap:8px}
.form__row--2{grid-template-columns:1fr 1fr;gap:18px}
.form__label{font-size:14px;font-weight:600;color:var(--ink)}
.form__label em{color:#DC2626;font-style:normal;margin-left:3px}
.form__input{width:100%;padding:12px 16px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.form__input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,119,6,.14)}
textarea.form__input{min-height:140px;resize:vertical}
.flash{padding:14px 18px;border-radius:10px;font-size:14.5px;margin-bottom:18px}
.flash--ok{background:#ECFDF5;border:1px solid #A7F3D0;color:#047857}
.flash--err{background:#FEF2F2;border:1px solid #FECACA;color:#B91C1C}
.search-bar{display:flex;gap:12px;max-width:560px;margin:0 auto}
.search-bar .form__input{flex:1}

/* ---------- 案例 ---------- */
.filter-bar{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.filter-chip{display:inline-block;padding:8px 20px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:14px;color:var(--text);text-decoration:none;transition:all .2s ease}
.filter-chip:hover{border-color:var(--brand);color:var(--brand-2)}
.filter-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;text-decoration:none;transition:transform .3s ease,box-shadow .3s ease}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-card__cover{height:180px;background:linear-gradient(150deg,#0E2F4E,#1B4965);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.case-card__cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case-card__cover svg.deco{position:absolute;inset:0;width:100%;height:100%;color:rgba(251,191,36,.18)}
.case-card__industry{position:relative;z-index:2;padding:5px 15px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:12.5px;backdrop-filter:blur(6px)}
.case-card__body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.case-card__title{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.case-card:hover .case-card__title{color:var(--brand-2)}
.case-card__sub{font-size:13px;color:var(--text-faint);margin-top:4px}
.case-card__desc{font-size:13.5px;color:var(--text-soft);margin-top:10px;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-card__more{margin-top:14px;font-size:13px;font-weight:600;color:var(--brand-2);display:inline-flex;align-items:center;gap:5px}
.case-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:28px 0}
.case-meta__item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.case-meta__label{font-size:12.5px;color:var(--text-faint);margin-bottom:4px}
.case-meta__value{font-size:15px;font-weight:600;color:var(--ink)}
.case-cover{border-radius:var(--radius-lg);overflow:hidden;margin-bottom:32px}
.case-results{list-style:none;display:grid;gap:12px;margin:18px 0}
.case-results li{display:flex;gap:12px;align-items:flex-start;background:var(--brand-soft);border:1px solid rgba(217,119,6,.2);border-radius:var(--radius);padding:14px 18px;font-size:14.5px;color:var(--text)}
.case-results svg{flex-shrink:0;color:var(--brand-2);margin-top:3px}

/* ---------- 服务单页 ---------- */
.svc-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;padding:40px 0;border-bottom:1px dashed var(--line)}
.svc-block:last-child{border-bottom:0}
.svc-block:nth-child(even){direction:rtl}
.svc-block:nth-child(even)>*{direction:ltr}
.svc-block__media{position:relative;border-radius:var(--radius-lg);background:linear-gradient(150deg,#0E2F4E,#123B63);min-height:250px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.svc-block__media>svg.deco{position:absolute;inset:0;width:100%;height:100%;color:rgba(251,191,36,.16)}
.svc-block__icon{position:relative;z-index:2;width:88px;height:88px;border-radius:22px;background:rgba(245,158,11,.16);color:var(--amber-300);display:flex;align-items:center;justify-content:center}
.svc-block__title{font-size:24px;font-weight:800;color:var(--ink);margin-bottom:10px}
.svc-block__desc{color:var(--text-soft);font-size:15px;margin-bottom:16px}

/* ---------- 网站地图 / 404 / 空状态 ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sitemap-group{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px}
.sitemap-group__title{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--brand-soft)}
.sitemap-group__title a{color:var(--ink);text-decoration:none}
.sitemap-group__title a:hover{color:var(--brand-2)}
.sitemap-group ul{list-style:none}
.sitemap-group li{margin-bottom:6px}
.sitemap-group li a{font-size:14px;color:var(--text-soft);text-decoration:none}
.sitemap-group li a:hover{color:var(--brand-2)}
.nf{text-align:center;padding:110px 0}
.nf__code{font-size:110px;font-weight:800;line-height:1;background:linear-gradient(135deg,var(--brand),var(--amber-400));-webkit-background-clip:text;background-clip:text;color:transparent}
.nf__title{font-size:24px;color:var(--ink);font-weight:700;margin:18px 0 10px}
.nf__desc{color:var(--text-soft);margin-bottom:30px}
.nf__actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.empty-state{text-align:center;padding:70px 20px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-lg);color:var(--text-soft)}
.empty-state svg{color:var(--text-faint);margin-bottom:14px}
.empty-state__title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px}

/* ---------- 页脚（潮浪母题 + 深色区浅色文字） ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative}
.footer-wave{color:var(--ink);line-height:0;margin-bottom:-1px}
.footer-wave svg{width:100%;height:60px;display:block}
.footer-wave svg path:last-child{animation:tideFloat 7s ease-in-out infinite}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:40px;padding:56px 24px 44px}
.footer-brand__name{font-size:20px;font-weight:800;color:#fff}
.footer-brand__slogan{margin:8px 0 12px;font-size:13.5px;letter-spacing:2px;color:var(--amber-400)}
.footer-brand__desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-features{list-style:none;margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.footer-features li{font-size:12px;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.75)}
.footer-col__title{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);text-decoration:none}
.footer-links a:hover{color:var(--amber-400)}
.footer-contact{list-style:none}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:11px;color:rgba(255,255,255,.68)}
.footer-contact__label{flex-shrink:0;color:rgba(255,255,255,.42)}
.footer-contact a{color:rgba(255,255,255,.85);text-decoration:none}
.footer-contact a:hover{color:var(--amber-400)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
.footer-bottom__inner{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom__inner a{color:rgba(255,255,255,.6);text-decoration:none}
.footer-bottom__inner a:hover{color:var(--amber-400)}

/* ---------- 悬浮客服 ---------- */
.float-kf{position:fixed;right:22px;bottom:90px;z-index:80;display:flex;flex-direction:column;gap:10px}
.float-kf__item{display:flex;flex-direction:column;align-items:center;gap:3px;width:56px;padding:10px 0 8px;background:#fff;border:1px solid var(--line);border-radius:14px;color:var(--text-soft);font-size:11.5px;text-decoration:none;cursor:pointer;box-shadow:var(--shadow);transition:all .25s ease;font-family:inherit}
.float-kf__item:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-3px)}
.float-kf__top{opacity:0;visibility:hidden;transform:translateY(8px);transition:all .3s ease}
.float-kf__top.is-show{opacity:1;visibility:visible;transform:none}

/* ---------- 动效①：滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}
.reveal--d1{transition-delay:.08s}
.reveal--d2{transition-delay:.16s}
.reveal--d3{transition-delay:.24s}
.no-js .reveal{opacity:1;transform:none}

/* ---------- 响应式 4→2→1 ---------- */
@media (max-width:1024px){
  .hero__inner{grid-template-columns:1fr;gap:40px;padding:64px 24px 72px}
  .hero__panel{max-width:520px}
  .biz-grid{grid-template-columns:1fr 1fr}
  .biz-card--lead{grid-column:1;grid-row:1/span 2;padding:36px 30px}
  .biz-grid .biz-card:nth-child(2){grid-column:2;grid-row:1}
  .biz-grid .biz-card:nth-child(3){grid-column:2;grid-row:2}
  .biz-grid .biz-card:nth-child(4){grid-column:1/span 2;grid-row:3}
  .news-grid{grid-template-columns:1fr}
  .cta-cards{grid-template-columns:repeat(2,1fr)}
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .sitemap-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .layout-2col{grid-template-columns:1fr}
  .case-meta{grid-template-columns:repeat(2,1fr)}
  .svc-block{grid-template-columns:1fr;gap:26px}
  .svc-block:nth-child(even){direction:ltr}
  .nav-cta{padding:8px 16px;font-size:14px}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:68px;right:0;bottom:0;width:min(80vw,320px);background:#fff;box-shadow:-12px 0 40px rgba(10,34,56,.14);transform:translateX(105%);transition:transform .3s ease;overflow-y:auto;z-index:90}
  body.nav-open .main-nav{transform:none}
  .nav-list{flex-direction:column;align-items:stretch;padding:16px;gap:2px}
  .nav-link{display:flex;justify-content:space-between;padding:13px 14px}
  .nav-link::after{display:none}
  .nav-drop{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;border-left:2px solid var(--brand-soft);border-radius:0;margin:0 0 6px 16px;padding:2px 0}
  .nav-item.has-drop:hover .nav-drop{transform:none}
  .trust__grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .trust-item:nth-child(3)::before{display:none}
}
@media (max-width:640px){
  .section{padding:60px 0}
  .biz-grid{grid-template-columns:1fr;gap:16px}
  .biz-card--lead{grid-column:1;grid-row:auto;padding:32px 26px}
  .biz-grid .biz-card:nth-child(n){grid-column:1;grid-row:auto}
  .biz-card__subgrid{grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
  .biz-sub{padding:11px 12px;gap:9px}
  .biz-sub__icon{width:32px;height:32px}
  .biz-sub__icon svg{width:16px;height:16px;max-width:16px;max-height:16px}
  .article-grid,.article-grid--2{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .cta-cards{grid-template-columns:1fr}
  .sitemap-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-banner{padding:36px 28px}
  .page-content{padding:28px 22px}
  .form__row--2{grid-template-columns:1fr}
  .prev-next{grid-template-columns:1fr}
  .case-meta{grid-template-columns:1fr}
  .hero__arrow{display:none}
  .float-kf{right:14px;bottom:70px}
  .steps::before{left:23px}
  .step__node{width:48px;height:48px;font-size:16px}
}
@media (max-width:400px){
  .biz-card__subgrid{grid-template-columns:1fr}
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ===== tz-rich-text typography (auto-appended) ===== */
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:first-child{margin-top:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:last-child{margin-bottom:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) p{margin:0 0 1.05em;line-height:1.9}
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