/* ============================================================
   北京尧图网络科技 · 全站重构设计系统 v2
   风格定位：暖调编辑杂志风 / 复古甜品系 / 小众编辑部美学
   与 style.css 配套使用，负责：导航重构、页脚、通用营销组件
   ============================================================ */

/* ============ 01 重构导航（杂志编辑部风格 Mega Menu） ============ */
:root{
  --ink:#3E2E1F;
  --paper:#FDF6EC;
  --ribbon:#B5651D;
}
.nav-v2{position:relative;z-index:1200;background:rgba(253,246,236,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(180,120,60,.14);transition:box-shadow .4s ease}
.header.scrolled .nav-v2{box-shadow:0 8px 30px rgba(90,55,25,.10)}
.nav-v2-inner{max-width:1440px;margin:0 auto;padding:0 32px;display:flex;align-items:center;gap:26px;height:78px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand .brand-mark{width:50px;height:50px;border-radius:14px;background:linear-gradient(140deg,var(--color-brown-dark),var(--color-brown));display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(139,90,43,.25);position:relative;overflow:hidden}
.brand .brand-mark::after{content:'';position:absolute;right:-10px;bottom:-10px;width:26px;height:26px;border:2px solid rgba(255,232,168,.5);border-radius:50%}
.brand .brand-mark img{width:100%;height:100%;object-fit:contain}
.brand .brand-name{font-size:21px;font-weight:800;color:var(--color-brown-dark);letter-spacing:1px;line-height:1.1}
.brand .brand-sub{font-size:10.5px;color:var(--color-brown);letter-spacing:2px;margin-top:2px}

.mega{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.mega-item{position:relative}
.mega-link{display:flex;align-items:center;gap:6px;padding:11px 15px;font-size:15px;font-weight:600;color:var(--color-text);border-radius:12px;transition:all .3s ease;white-space:nowrap}
.mega-link .caret{font-size:9px;opacity:.6;transition:transform .3s ease}
.mega-item:hover .mega-link,.mega-link.active{color:var(--color-brown-dark)}
.mega-item:hover .mega-link .caret{transform:rotate(180deg)}
.mega-link:hover{background:rgba(181,101,29,.08)}
.mega-panel{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(12px);min-width:640px;background:var(--paper);border:1px solid rgba(180,120,60,.16);border-radius:22px;box-shadow:0 24px 60px rgba(80,45,20,.16);padding:26px 30px;opacity:0;visibility:hidden;transition:all .32s ease;z-index:2000}
.mega-panel::before{content:'';position:absolute;top:-7px;left:50%;transform:translateX(-50%) rotate(45deg);width:14px;height:14px;background:var(--paper);border-left:1px solid rgba(180,120,60,.16);border-top:1px solid rgba(180,120,60,.16)}
.mega-item:hover .mega-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-panel.p-wide{min-width:760px}
.mega-panel.p-x5{min-width:980px}
.mega-panel.p-x6{min-width:1160px}
.mega-panel .mp-title{font-size:11px;letter-spacing:3px;color:var(--color-brown);margin-bottom:16px;font-weight:700}
.mega-cols{display:grid;gap:22px}
.mega-cols.c2{grid-template-columns:1fr 1fr}
.mega-cols.c3{grid-template-columns:1.1fr 1fr 1fr}
.mega-cols.c4{grid-template-columns:1fr 1fr 1fr 1fr}
.mega-cols.c5{grid-template-columns:1.1fr 1fr 1fr 1fr 1fr}
.mega-cols.c6{grid-template-columns:1.05fr 1fr 1fr 1fr 1fr 1fr}
.mp-group h5{font-size:12px;letter-spacing:2px;color:var(--color-brown-light);font-weight:700;margin-bottom:10px;text-transform:uppercase}
.mp-links{display:flex;flex-direction:column;gap:2px}
.mp-links a{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:9px;font-size:14px;color:var(--color-text);transition:all .22s ease;font-weight:500}
.mp-links a::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--color-brown-light);flex-shrink:0;transition:all .22s ease}
.mp-links a:hover{background:rgba(181,101,29,.08);color:var(--color-brown-dark);transform:translateX(3px)}
.mp-links a:hover::before{background:var(--color-brown-dark);box-shadow:0 0 0 3px rgba(181,101,29,.12)}
.mp-feature{background:linear-gradient(145deg,var(--color-brown-dark),var(--color-brown));border-radius:16px;padding:18px;color:var(--color-cream)}
.mp-feature .f-tag{font-size:11px;letter-spacing:2px;color:var(--color-yellow);margin-bottom:8px}
.mp-feature p{font-size:13px;line-height:1.7;color:var(--color-beige);margin-bottom:12px}
.mp-feature a{font-size:13px;font-weight:700;color:var(--color-yellow)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-cta .phone{display:flex;flex-direction:column;align-items:flex-end;line-height:1.3}
.nav-cta .phone b{font-size:16px;color:var(--color-brown-dark);font-family:Georgia,serif}
.nav-cta .phone span{font-size:10px;color:var(--color-text-light);letter-spacing:1px}
.nav-cta .btn{padding:11px 22px;font-size:14px;border-radius:30px}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px;margin-left:auto}
.nav-burger span{width:26px;height:2.5px;background:var(--color-brown-dark);border-radius:3px;transition:all .3s ease}
.nav-burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* 移动端抽屉 */
.drawer{position:fixed;inset:0;background:var(--paper);z-index:1100;overflow-y:auto;padding:100px 28px 40px;transform:translateX(100%);transition:transform .42s cubic-bezier(.6,.05,.28,.99)}
.drawer.open{transform:translateX(0)}
.drawer .d-item{margin-bottom:8px}
.drawer .d-link{display:flex;justify-content:space-between;align-items:center;padding:14px 6px;font-size:18px;font-weight:700;color:var(--color-brown-dark);border-bottom:1px solid rgba(180,120,60,.12)}
.drawer .d-link .plus{font-size:14px;color:var(--color-brown);transition:transform .3s}
.drawer .d-link.open .plus{transform:rotate(45deg)}
.drawer .d-sub{display:none;padding:4px 0 12px 14px}
.drawer .d-sub a{display:block;padding:9px 6px;font-size:14px;color:var(--color-text);border-left:2px solid rgba(180,120,60,.2);padding-left:12px}
.drawer .d-sub a:hover{color:var(--color-brown-dark);border-left-color:var(--color-brown)}

/* ============ 02 页脚 v2 ============ */
.footer-v2{background:#33241A;color:var(--color-beige);padding:0;position:relative;overflow:hidden}
.footer-v2::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--color-brown-light),var(--color-yellow),var(--color-brown),var(--color-yellow),var(--color-brown-light))}
.footer-v2-inner{max-width:1440px;margin:0 auto;padding:64px 40px 0}
.footer-v2-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr 1.2fr;gap:44px;padding-bottom:46px}
.fv-brand .fv-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.fv-brand .fv-logo img{width:44px;height:44px;border-radius:12px}
.fv-brand .fv-logo b{font-size:20px;color:var(--color-cream);letter-spacing:1px}
.fv-brand p{font-size:13.5px;line-height:2;color:#CBB79C;margin-bottom:20px;max-width:300px}
.fv-social{display:flex;gap:10px}
.fv-social a{width:38px;height:38px;border-radius:11px;background:rgba(255,232,168,.08);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--color-yellow);transition:all .3s}
.fv-social a:hover{background:var(--color-yellow);color:var(--color-brown-dark);transform:translateY(-3px)}
.fv-col h5{font-size:14px;color:var(--color-cream);letter-spacing:2px;margin-bottom:18px;position:relative;padding-bottom:10px;font-weight:700}
.fv-col h5::after{content:'';position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--color-yellow)}
.fv-col ul{display:flex;flex-direction:column;gap:9px}
.fv-col ul a{font-size:13px;color:#CBB79C;transition:all .25s}
.fv-col ul a:hover{color:var(--color-yellow);padding-left:6px}
.fv-contact li{display:flex;gap:10px;font-size:13px;color:#CBB79C;line-height:1.8;align-items:flex-start}
.fv-contact li b{color:var(--color-cream)}
.fv-bottom{border-top:1px solid rgba(255,232,168,.12);padding:22px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;max-width:1440px;margin:0 auto;padding-left:40px;padding-right:40px}
.fv-bottom p{font-size:12.5px;color:#9F8A6D}
.fv-bottom a{color:#CBB79C}
.fv-bottom a:hover{color:var(--color-yellow)}

/* ============ 03 通用营销组件库 ============ */

/* 分节标签 */
.sec-tag{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:3px;color:var(--color-brown);font-weight:700;margin-bottom:16px}
.sec-tag::before{content:'';width:34px;height:2px;background:var(--color-brown-light)}
.sec-tag.center::after{content:'';width:34px;height:2px;background:var(--color-brown-light)}

/* 编辑型标题 */
.ed-h2{font-size:clamp(30px,3.6vw,46px);color:var(--color-brown-dark);font-weight:800;line-height:1.16;letter-spacing:-.5px}
.ed-h2 .hl{position:relative;display:inline-block;z-index:0}
.ed-h2 .hl::after{content:'';position:absolute;left:0;bottom:6px;width:100%;height:12px;background:var(--color-yellow);z-index:-1;opacity:.75;border-radius:2px}
.ed-h2 .serif{font-family:Georgia,serif;color:var(--color-brown-light);font-style:italic;font-weight:400}
.ed-lead{font-size:16.5px;color:var(--color-text-light);line-height:2;max-width:640px}

/* 超大空心数字 */
.ghost-num{font-family:Georgia,serif;font-size:120px;font-weight:900;line-height:.8;color:transparent;-webkit-text-stroke:2px var(--color-brown-light);opacity:.5;user-select:none}

/* 页面 Hero 变体 A：暖调分屏 */
.heroA{position:relative;padding:170px 0 90px;background:linear-gradient(135deg,var(--color-cream) 0%,var(--color-beige) 70%,var(--color-yellow) 140%);overflow:hidden}
.heroA::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(139,90,43,.09) 1.4px,transparent 1.4px);background-size:26px 26px;pointer-events:none}
.heroA::after{content:'';position:absolute;right:-160px;top:-160px;width:460px;height:460px;border:2px solid rgba(166,123,91,.16);border-radius:50%;pointer-events:none}
.heroA .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .9fr;gap:56px;align-items:center}
.heroA .hero-crumb{font-size:12px;letter-spacing:3px;color:var(--color-brown);margin-bottom:22px;display:flex;gap:10px;align-items:center}
.heroA h1{font-size:clamp(34px,4.4vw,58px);color:var(--color-brown-dark);font-weight:800;line-height:1.1;margin-bottom:24px;letter-spacing:-1px}
.heroA h1 .hl{position:relative;display:inline-block;z-index:0}
.heroA h1 .hl::after{content:'';position:absolute;left:0;bottom:8px;width:100%;height:14px;background:var(--color-yellow);z-index:-1;opacity:.8}
.heroA .lead{font-size:17px;color:var(--color-text-light);line-height:2;max-width:560px;margin-bottom:34px}
.heroA .hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.heroA .hero-visual{position:relative}
.heroA .hero-visual .hv-main{border-radius:24px;box-shadow:var(--shadow-strong);transform:rotate(1.5deg);width:100%;object-fit:cover;display:block}
.heroA .hero-visual .hv-stamp{position:absolute;top:-22px;left:-18px;width:104px;height:104px;background:var(--color-brown-dark);color:var(--color-yellow);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;transform:rotate(-10deg);box-shadow:var(--shadow-medium);z-index:2}
.heroA .hero-visual .hv-stamp b{font-family:Georgia,serif;font-size:26px;line-height:1}
.heroA .hero-visual .hv-stamp span{font-size:9px;letter-spacing:2px;margin-top:4px}
.heroA .hero-visual .hv-tag{position:absolute;bottom:26px;right:-14px;background:var(--color-yellow);color:var(--color-brown-dark);padding:10px 20px;font-size:13px;font-weight:700;letter-spacing:2px;box-shadow:var(--shadow-medium);transform:rotate(2deg);z-index:2}

/* 页面 Hero 变体 B：深棕沉浸 */
.heroB{position:relative;padding:170px 0 96px;background:linear-gradient(150deg,#4A3018 0%,var(--color-brown-dark) 55%,var(--color-brown) 130%);color:var(--color-cream);overflow:hidden}
.heroB::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,232,168,.09) 1.5px,transparent 1.5px);background-size:28px 28px}
.heroB::after{content:'';position:absolute;left:-120px;bottom:-120px;width:420px;height:420px;border:2px solid rgba(255,232,168,.14);border-radius:50%}
.heroB .hero-inner{position:relative;z-index:1;max-width:980px;margin:0 auto;text-align:center;padding:0 20px}
.heroB .hero-crumb{justify-content:center;color:var(--color-yellow);margin-bottom:20px;font-size:12px;letter-spacing:3px;display:flex;gap:10px}
.heroB h1{font-size:clamp(34px,4.6vw,60px);color:var(--color-cream);font-weight:800;line-height:1.12;margin-bottom:22px;letter-spacing:-1px}
.heroB h1 .hl{color:var(--color-yellow)}
.heroB .lead{font-size:17px;color:var(--color-beige);line-height:1.95;max-width:680px;margin:0 auto 32px}
.heroB .hero-actions{justify-content:center}

/* 页面 Hero 变体 C：报纸杂志式 */
.heroC{position:relative;padding:170px 0 90px;background:var(--color-paper,#FBF3E7);overflow:hidden;border-bottom:1px solid rgba(139,90,43,.12)}
.heroC::before{content:'';position:absolute;left:0;right:0;top:0;height:6px;background:linear-gradient(90deg,var(--color-brown-dark),var(--color-brown-light),var(--color-yellow),var(--color-brown),var(--color-brown-dark))}
.heroC .hero-inner{max-width:1180px;margin:0 auto;padding:0 40px;position:relative;z-index:1}
.heroC .hero-crumb{margin-bottom:26px}
.heroC h1{font-size:clamp(36px,4.8vw,62px);color:var(--color-brown-dark);font-weight:800;line-height:1.12;margin-bottom:20px;letter-spacing:-1px}
.heroC h1 .hl{border-bottom:6px solid var(--color-yellow);padding-bottom:4px}
.heroC .lead{font-size:17px;color:var(--color-text-light);line-height:2;max-width:640px}
.heroC .hero-meta{display:flex;gap:36px;margin-top:36px;padding-top:26px;border-top:2px solid rgba(139,90,43,.14)}
.heroC .hero-meta .hm b{font-family:Georgia,serif;font-size:30px;color:var(--color-brown-dark);display:block;line-height:1}
.heroC .hero-meta .hm span{font-size:12.5px;color:var(--color-text-light);letter-spacing:1px;margin-top:6px;display:block}

/* 通用区块 */
.sec{padding:96px 0}
.sec.cream{background:var(--color-cream)}
.sec.beige{background:var(--color-beige)}
.sec.paper{background:#FBF3E7}
.sec.dark{background:var(--color-brown-dark);color:var(--color-cream)}
.sec-head{max-width:760px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .sec-tag{justify-content:center}

/* 特性卡片集 */
.feat-grid{display:grid;gap:24px}
.feat-grid.g3{grid-template-columns:repeat(3,1fr)}
.feat-grid.g4{grid-template-columns:repeat(4,1fr)}
.feat-card{background:var(--color-cream);border:1.5px solid rgba(180,120,60,.14);border-radius:20px;padding:30px 26px;transition:all .38s ease;position:relative;overflow:hidden}
.feat-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--color-brown-light),transparent);opacity:0;transition:opacity .38s}
.feat-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-strong);border-color:rgba(180,120,60,.28)}
.feat-card:hover::before{opacity:1}
.feat-card .fc-ico{width:64px;height:64px;border-radius:18px;background:var(--color-yellow);display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:18px;transition:transform .38s}
.feat-card:hover .fc-ico{transform:rotate(-8deg) scale(1.05)}
.feat-card .fc-num{position:absolute;right:20px;top:18px;font-family:Georgia,serif;font-size:30px;color:var(--color-brown-light);opacity:.35;font-weight:700}
.feat-card h3{font-size:19px;color:var(--color-brown-dark);margin-bottom:10px;font-weight:700}
.feat-card p{font-size:14px;color:var(--color-text-light);line-height:1.8}

/* 流程时间轴 */
.process-timeline{position:relative;max-width:900px;margin:0 auto;padding-left:40px}
.process-timeline::before{content:'';position:absolute;left:10px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--color-brown-light),var(--color-brown),var(--color-yellow))}
.pt-step{position:relative;padding:0 0 40px 30px}
.pt-step:last-child{padding-bottom:0}
.pt-step::before{content:'';position:absolute;left:-36px;top:2px;width:20px;height:20px;border-radius:50%;background:var(--color-cream);border:3px solid var(--color-brown);box-shadow:0 0 0 5px var(--color-yellow)}
.pt-step .pt-no{font-family:Georgia,serif;color:var(--color-brown-light);font-size:14px;letter-spacing:2px;margin-bottom:6px}
.pt-step h3{font-size:21px;color:var(--color-brown-dark);margin-bottom:8px}
.pt-step p{font-size:15px;color:var(--color-text-light);line-height:1.85}

/* 数字统计带 */
.stat-band{background:var(--color-brown-dark);padding:70px 0;position:relative;overflow:hidden}
.stat-band::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,232,168,.07) 1.5px,transparent 1.5px);background-size:30px 30px}
.stat-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:36px;text-align:center}
.stat-cell b{font-family:Georgia,serif;font-size:clamp(36px,4.5vw,56px);color:var(--color-yellow);display:block;line-height:1;font-weight:700}
.stat-cell span{font-size:14px;color:var(--color-beige);letter-spacing:1px;margin-top:10px;display:block}

/* 价格卡 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.price-card{background:var(--color-cream);border:1.5px solid rgba(180,120,60,.14);border-radius:22px;padding:36px 30px;position:relative;transition:all .38s}
.price-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-strong)}
.price-card.hot{border:2px solid var(--color-brown);box-shadow:0 16px 40px rgba(139,90,43,.16)}
.price-card .pc-tag{position:absolute;top:-13px;right:22px;background:var(--color-brown);color:var(--color-cream);font-size:12px;padding:5px 16px;border-radius:20px;font-weight:600}
.price-card .pc-name{font-size:20px;color:var(--color-brown-dark);font-weight:700;margin-bottom:6px}
.price-card .pc-desc{font-size:13px;color:var(--color-text-light);margin-bottom:20px}
.price-card .pc-price{font-family:Georgia,serif;font-size:46px;color:var(--color-brown);font-weight:800;line-height:1}
.price-card .pc-price small{font-size:14px;color:var(--color-text-light);font-family:'Microsoft YaHei';font-weight:400}
.price-card ul{list-style:none;margin:22px 0;display:flex;flex-direction:column;gap:10px}
.price-card ul li{font-size:14px;color:var(--color-text);padding-left:24px;position:relative}
.price-card ul li::before{content:'✓';position:absolute;left:0;color:var(--color-brown);font-weight:700}

/* 对比表 */
.cmp-table{width:100%;border-collapse:collapse;background:var(--color-cream);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-soft)}
.cmp-table th,.cmp-table td{padding:16px 20px;text-align:left;font-size:14px;border-bottom:1px solid rgba(180,120,60,.1)}
.cmp-table thead th{background:var(--color-brown-dark);color:var(--color-cream);font-weight:600;font-size:15px}
.cmp-table tbody tr:nth-child(even){background:#FBF3E7}
.cmp-table tbody tr:hover{background:rgba(181,101,29,.06)}
.cmp-table .yes{color:var(--color-brown);font-weight:700}
.cmp-table .no{color:#B9A58C}

/* FAQ 手风琴 */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--color-cream);border:1.5px solid rgba(180,120,60,.14);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:all .3s}
.faq-item.open{border-color:var(--color-brown)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;font-size:16px;font-weight:600;color:var(--color-brown-dark)}
.faq-q .q-num{font-family:Georgia,serif;color:var(--color-brown-light);font-size:15px}
.faq-q .q-arr{width:30px;height:30px;border-radius:50%;background:var(--color-yellow);display:flex;align-items:center;justify-content:center;color:var(--color-brown-dark);font-size:13px;transition:transform .3s;flex-shrink:0}
.faq-item.open .q-arr{transform:rotate(180deg)}
.faq-a{display:none;padding:0 24px 22px;font-size:14.5px;color:var(--color-text-light);line-height:1.9}

/* 评价卡 */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.testi-card{background:var(--color-cream);border:1.5px solid rgba(180,120,60,.12);border-radius:20px;padding:30px;position:relative;transition:all .35s}
.testi-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-medium)}
.testi-card .tq{font-family:Georgia,serif;font-size:54px;color:var(--color-yellow);line-height:.5;margin-bottom:14px;text-shadow:0 2px 0 rgba(139,90,43,.2)}
.testi-card p{font-size:14.5px;color:var(--color-text);line-height:1.9;margin-bottom:20px;font-style:italic}
.testi-card .t-by{display:flex;align-items:center;gap:12px}
.testi-card .t-av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--color-brown),var(--color-brown-dark));color:var(--color-yellow);display:flex;align-items:center;justify-content:center;font-weight:700}
.testi-card .t-by b{display:block;color:var(--color-brown-dark);font-size:14px}
.testi-card .t-by span{font-size:12px;color:var(--color-text-light)}

/* 案例卡 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{background:var(--color-cream);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-soft);transition:all .4s;position:relative}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-strong)}
.case-card .cc-img{position:relative;height:210px;overflow:hidden}
.case-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.case-card:hover .cc-img img{transform:scale(1.06)}
.case-card .cc-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(74,48,24,.5))}
.case-card .cc-tag{position:absolute;top:16px;left:16px;background:var(--color-yellow);color:var(--color-brown-dark);font-size:12px;font-weight:700;padding:5px 14px;border-radius:20px;z-index:2}
.case-card .cc-body{padding:24px}
.case-card .cc-body h3{font-size:18px;color:var(--color-brown-dark);margin-bottom:10px;line-height:1.4}
.case-card .cc-body p{font-size:13.5px;color:var(--color-text-light);line-height:1.8;margin-bottom:16px}
.case-card .cc-metric{display:flex;gap:20px;border-top:1px dashed rgba(180,120,60,.2);padding-top:14px}
.case-card .cc-metric b{font-family:Georgia,serif;color:var(--color-brown);font-size:20px;display:block}
.case-card .cc-metric span{font-size:11.5px;color:var(--color-text-light)}

/* CTA 带 */
.cta-band{position:relative;padding:96px 0;background:linear-gradient(140deg,var(--color-brown-dark),var(--color-brown));overflow:hidden;text-align:center}
.cta-band::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,232,168,.09) 1.5px,transparent 1.5px);background-size:26px 26px}
.cta-band::after{content:'';position:absolute;right:-100px;top:-100px;width:300px;height:300px;border:2px solid rgba(255,232,168,.15);border-radius:50%}
.cta-band .cta-inner{position:relative;z-index:1;max-width:720px;margin:0 auto;padding:0 24px}
.cta-band h2{font-size:clamp(28px,3.4vw,42px);color:var(--color-cream);margin-bottom:16px;font-weight:800}
.cta-band p{font-size:16px;color:var(--color-beige);line-height:1.9;margin-bottom:30px}
.cta-band .btn{background:var(--color-yellow);color:var(--color-brown-dark)}
.cta-band .btn:hover{background:var(--color-cream)}

/* 面包屑 */
.crumb{font-size:13px;color:var(--color-text-light);display:flex;align-items:center;gap:8px;flex-wrap:wrap;letter-spacing:.5px}
.crumb a{color:var(--color-brown)}
.crumb a:hover{color:var(--color-brown-dark)}
.crumb .sep{color:var(--color-brown-light)}

/* 文章排版 */
.article-prose{font-size:16px;line-height:2.05;color:var(--color-text)}
.article-prose p{margin-bottom:22px}
.article-prose h2{font-size:27px;color:var(--color-brown-dark);margin:44px 0 18px;padding-left:16px;border-left:5px solid var(--color-brown)}
.article-prose h3{font-size:21px;color:var(--color-brown);margin:34px 0 14px}
.article-prose ul,.article-prose ol{margin:0 0 22px 24px}
.article-prose li{margin-bottom:8px;line-height:1.9}
.article-prose blockquote{margin:26px 0;padding:22px 28px;background:var(--color-beige);border-left:4px solid var(--color-brown);border-radius:0 14px 14px 0;font-style:italic;color:var(--color-brown-dark);line-height:1.9}
.article-prose img{border-radius:16px;margin:24px 0;box-shadow:var(--shadow-soft)}

/* 联系表单 */
.form-card{background:var(--color-cream);border-radius:22px;padding:38px;box-shadow:var(--shadow-medium);border:1.5px solid rgba(180,120,60,.12)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;color:var(--color-brown-dark)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:13px 16px;border:1.5px solid rgba(180,120,60,.2);border-radius:12px;font-size:15px;background:#FFFDF9;transition:all .3s;font-family:inherit}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--color-brown);box-shadow:0 0 0 4px rgba(166,123,91,.12)}
.form-group textarea{min-height:130px;resize:vertical}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{padding:7px 16px;background:var(--color-beige);border-radius:30px;font-size:13px;color:var(--color-brown-dark);transition:all .25s;cursor:pointer;border:1px solid transparent}
.tag-pill:hover{background:var(--color-brown-dark);color:var(--color-yellow);transform:translateY(-2px)}

/* 双栏图文 */
.split-2{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split-2 .s2-media{position:relative}
.split-2 .s2-media img{border-radius:20px;box-shadow:var(--shadow-strong);width:100%;object-fit:cover;display:block}
.split-2 .s2-media .s2-num{position:absolute;top:-26px;left:-20px;font-family:Georgia,serif;font-size:110px;color:transparent;-webkit-text-stroke:2px var(--color-brown-light);opacity:.55;font-weight:900;line-height:1}
.split-2 .s2-media .s2-badge{position:absolute;bottom:-18px;right:-14px;background:var(--color-yellow);color:var(--color-brown-dark);padding:12px 18px;border-radius:14px;font-weight:700;font-size:14px;box-shadow:var(--shadow-medium);transform:rotate(-3deg)}

/* 步骤卡片横排 */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{position:relative;background:var(--color-cream);border-radius:20px;padding:30px 24px;border:1.5px solid rgba(180,120,60,.12);transition:all .35s}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-medium)}
.step-card .sc-no{font-family:Georgia,serif;font-size:44px;color:var(--color-yellow);font-weight:800;line-height:1;-webkit-text-stroke:1px var(--color-brown);margin-bottom:16px;display:block}
.step-card h3{font-size:17px;color:var(--color-brown-dark);margin-bottom:10px}
.step-card p{font-size:13.5px;color:var(--color-text-light);line-height:1.8}

/* 客户 logo 墙 */
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.lw-item{background:var(--color-cream);border:1.5px dashed rgba(180,120,60,.22);border-radius:14px;padding:22px 12px;text-align:center;font-size:15px;font-weight:700;color:var(--color-brown);opacity:.75;transition:all .3s}
.lw-item:hover{opacity:1;border-style:solid;border-color:var(--color-brown-light);transform:translateY(-3px)}

/* 右侧浮动机 */
.float-cta{position:fixed;right:22px;bottom:26px;z-index:900;display:flex;flex-direction:column;gap:12px}
.float-cta a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 10px 26px rgba(90,55,25,.28);transition:all .3s}
.float-cta a:hover{transform:scale(1.1)}
.float-cta .f-phone{background:linear-gradient(135deg,var(--color-brown),var(--color-brown-dark));color:var(--color-yellow)}
.float-cta .f-chat{background:var(--color-yellow);color:var(--color-brown-dark)}

/* 响应式 */
@media (max-width:1200px){
  .mega-link{padding:11px 10px;font-size:14px}
  .nav-cta .phone{display:none}
  .footer-v2-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
}
@media (max-width:992px){
  .nav-v2-inner{height:66px;padding:0 20px}
  .mega{display:none}
  .nav-cta{display:none}
  .nav-burger{display:flex}
  .footer-v2-grid{grid-template-columns:1fr 1fr;gap:36px}
  .feat-grid.g4,.feat-grid.g3{grid-template-columns:repeat(2,1fr)}
  .price-grid,.testi-grid,.case-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}
  .split-2{grid-template-columns:1fr;gap:40px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .heroA .hero-grid{grid-template-columns:1fr;gap:44px}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:640px){
  .feat-grid.g4,.feat-grid.g3,.price-grid,.testi-grid,.case-grid,.steps-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-v2-grid{grid-template-columns:1fr;gap:30px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:26px}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
  .heroA,.heroB,.heroC{padding:140px 0 70px}
}