/* ============================================================
   橙毅科技官网 - 全局样式
   主色: #FF7A00 → #FFB800 | 辅色: #0E1A2B | 背景: #FFF / #F5F7FA
   ============================================================ */
:root {
  --orange: #FF7A00;
  --orange-light: #FFB800;
  --orange-grad: linear-gradient(135deg, #FF7A00 0%, #FFB800 100%);
  --navy: #0E1A2B;
  --navy-2: #16263C;
  --text: #1B2530;
  --text-sub: #5A6472;
  --bg-gray: #F5F7FA;
  --border: #E8ECF1;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(14, 26, 43, .06);
  --shadow-hover: 0 16px 40px rgba(14, 26, 43, .12);
  --max-w: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", -apple-system, sans-serif;
  color: var(--text);
  background: #fff;
  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; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 10px; font-size: 16px; font-weight: 600;
  cursor: pointer; border: none; transition: all .3s ease; white-space: nowrap;
}
.btn-primary { background: var(--orange-grad); color: #fff; box-shadow: 0 6px 20px rgba(255, 122, 0, .35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255, 122, 0, .45); }
.btn-ghost { background: rgba(255, 255, 255, .75); color: var(--orange); border: 1px solid rgba(255, 122, 0, .45); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: var(--orange); color: #fff; }
.btn-outline { background: #fff; color: var(--orange); border: 1px solid var(--orange); }
.btn-outline:hover { background: var(--orange); color: #fff; }

/* ---------- 导航 ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: all .35s ease; padding: 18px 0;
}
.navbar.scrolled { background: rgba(255, 255, 255, .96); backdrop-filter: blur(12px); box-shadow: 0 2px 20px rgba(14, 26, 43, .08); padding: 10px 0; }
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; }
.logo svg { width: 40px; height: 40px; }
.logo .logo-text { color: var(--navy); transition: color .35s; letter-spacing: 1px; }
.logo .logo-text small { display: block; font-size: 10px; font-weight: 400; letter-spacing: 3px; opacity: .75; }
.navbar.scrolled { background: rgba(255, 255, 255, .96); }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a { color: var(--text-sub); font-size: 15px; font-weight: 500; position: relative; padding: 6px 0; transition: color .3s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--orange-grad); border-radius: 2px; transition: width .3s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover, .nav-links a.active { color: var(--orange); }
.nav-cta { padding: 10px 22px; font-size: 14px; }
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-burger span { width: 24px; height: 2px; background: var(--navy); transition: all .3s; border-radius: 2px; }
.navbar.scrolled .nav-burger span { background: var(--navy); }
.nav-drawer { display: none; }

/* ---------- Hero（浅色系） ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: #FDFBF7; overflow: hidden; color: var(--text);
}
.hero-bg { position: absolute; inset: 0; background: url("../img/hero-bg-light.jpg") center/cover no-repeat; opacity: .9; animation: heroZoom 18s ease-in-out infinite alternate; }
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.08); } }
#heroCanvas { position: absolute; inset: 0; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,.2) 0%, rgba(255,255,255,.1) 55%, rgba(253,251,247,.9) 100%); }
.hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px; margin-bottom: 28px;
  border: 1px solid rgba(255, 122, 0, .35); border-radius: 100px; font-size: 14px;
  color: #E06A00; background: rgba(255, 122, 0, .08); backdrop-filter: blur(4px);
}
.hero-badge i { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(255,122,0,.4);} 50% { box-shadow: 0 0 0 8px rgba(255,122,0,0);} }
.hero h1 { font-size: clamp(40px, 5.5vw, 68px); font-weight: 800; line-height: 1.25; letter-spacing: 1px; color: var(--navy); }
.hero h1 .grad { background: linear-gradient(90deg, #FFB800, #FF7A00); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero h1 .grad span { background: inherit; -webkit-background-clip: text; background-clip: text; }
.hero p.lead { max-width: 640px; margin: 24px 0 40px; font-size: 18px; color: var(--text-sub); }
.hero-ctas { display: flex; gap: 18px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 32px; margin-top: 56px; flex-wrap: wrap; }
.hero-trust span { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-sub); }
.hero-trust svg { width: 18px; height: 18px; }
.hero-scroll { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 2; width: 26px; height: 42px; border: 2px solid rgba(14,26,43,.28); border-radius: 14px; }
.hero-scroll::after { content: ""; position: absolute; top: 8px; left: 50%; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--orange); animation: scrollHint 1.8s infinite; }
@keyframes scrollHint { 0% { opacity: 1; transform: translateY(0);} 70% { opacity: 0; transform: translateY(12px);} 100% { opacity: 0; } }

/* ---------- 通用 Section ---------- */
section.section { padding: 96px 0; }
section.section.gray { background: var(--bg-gray); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.sec-head .kicker { display: inline-block; font-size: 14px; font-weight: 600; letter-spacing: 4px; color: var(--orange); text-transform: uppercase; margin-bottom: 14px; }
.sec-head h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 700; color: var(--navy); line-height: 1.35; }
.sec-head p { margin-top: 16px; color: var(--text-sub); font-size: 17px; }

/* ---------- Logo 墙 ---------- */
.logo-wall { padding: 56px 0; border-bottom: 1px solid var(--border); overflow: hidden; }
.logo-wall .wall-title { text-align: center; font-size: 14px; letter-spacing: 2px; color: var(--text-sub); margin-bottom: 32px; }
.marquee { display: flex; overflow: hidden; position: relative; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 20px; animation: marquee 30s linear infinite; flex-shrink: 0; padding-right: 20px; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }
.logo-item {
  display: flex; align-items: center; justify-content: center; gap: 10px; min-width: 190px; height: 76px;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  font-weight: 600; font-size: 16px; color: #8B95A3; letter-spacing: 1px; transition: all .3s;
}
.logo-item:hover { color: var(--orange); border-color: rgba(255, 122, 0, .4); box-shadow: var(--shadow); }
.logo-item svg { width: 26px; height: 26px; opacity: .5; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 30px; transition: all .35s ease; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: transparent; }
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--orange-grad); transform: scaleX(0); transform-origin: left; transition: transform .4s ease;
}
.card:hover::before { transform: scaleX(1); }
.card .icon-box {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(255, 122, 0, .12), rgba(255, 184, 0, .12)); margin-bottom: 22px;
}
.card .icon-box svg { width: 28px; height: 28px; }
.card h3 { font-size: 20px; font-weight: 600; color: var(--navy); margin-bottom: 12px; }
.card p { font-size: 15px; color: var(--text-sub); }
.card .card-tag { position: absolute; top: 20px; right: 20px; font-size: 12px; color: var(--orange); background: rgba(255,122,0,.08); padding: 3px 10px; border-radius: 100px; }

/* ---------- 产品能力（图文分栏） ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split .split-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-hover); position: relative; }
.split .split-img img { transition: transform .6s ease; }
.split .split-img:hover img { transform: scale(1.04); }
.feature-list li { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px dashed var(--border); }
.feature-list li:last-child { border-bottom: none; }
.feature-list .fi { flex-shrink: 0; width: 44px; height: 44px; border-radius: 10px; background: var(--orange-grad); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 15px; }
.feature-list h4 { font-size: 17px; color: var(--navy); font-weight: 600; }
.feature-list p { font-size: 14px; color: var(--text-sub); margin-top: 4px; }

/* ---------- 行业方案 ---------- */
.industry-card { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 380px; display: flex; align-items: flex-end; color: #fff; }
.industry-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.industry-card:hover img { transform: scale(1.06); }
.industry-card .overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(14,26,43,.15) 15%, rgba(14,26,43,.55) 55%, rgba(14,26,43,.92) 100%); }
.industry-card .body { position: relative; z-index: 2; padding: 32px; }
.industry-card h3 { font-size: 22px; margin-bottom: 10px; }
.industry-card p { font-size: 14px; color: rgba(255, 255, 255, .8); }
.industry-card .link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; color: var(--orange-light); font-weight: 600; }

/* ---------- 案例卡 ---------- */
.case-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all .35s; }
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.case-card .case-top { height: 180px; background: var(--orange-grad); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.case-card .case-top.alt1 { background: linear-gradient(135deg, #0E1A2B, #26405E); }
.case-card .case-top.alt2 { background: linear-gradient(135deg, #16324A, #FF7A00); }
.case-card .case-top .big { font-size: 44px; font-weight: 800; color: rgba(255, 255, 255, .95); letter-spacing: 2px; }
.case-card .case-top .ph { position: absolute; bottom: 12px; right: 14px; font-size: 11px; color: rgba(255,255,255,.6); }
.case-card .body { padding: 28px; }
.case-card .tag { font-size: 12px; color: var(--orange); background: rgba(255, 122, 0, .08); padding: 4px 12px; border-radius: 100px; display: inline-block; margin-bottom: 14px; }
.case-card h3 { font-size: 19px; color: var(--navy); margin-bottom: 10px; }
.case-card p { font-size: 14px; color: var(--text-sub); }
.case-card .metric { margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--border); display: flex; justify-content: space-between; align-items: center; }
.case-card .metric b { font-size: 26px; color: var(--orange); font-weight: 800; }
.case-card .metric span { font-size: 12px; color: var(--text-sub); }
.footnote { text-align: center; font-size: 12px; color: #A6AEB9; margin-top: 28px; }

/* ---------- 服务流程 ---------- */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; }
.timeline::before { content: ""; position: absolute; top: 28px; left: 8%; right: 8%; height: 2px; background: repeating-linear-gradient(90deg, var(--border) 0 10px, transparent 10px 20px); }
.step { text-align: center; position: relative; }
.step .num {
  width: 56px; height: 56px; margin: 0 auto 20px; border-radius: 50%; background: #fff;
  border: 2px solid var(--border); display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: var(--text-sub); position: relative; z-index: 2; transition: all .4s;
}
.step:hover .num, .step.lit .num { background: var(--orange-grad); border-color: transparent; color: #fff; box-shadow: 0 8px 20px rgba(255, 122, 0, .35); transform: scale(1.08); }
.step h4 { font-size: 17px; color: var(--navy); margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--text-sub); }

/* ---------- 资质 ---------- */
.qual-card { display: flex; align-items: center; gap: 18px; background: #fff; border: 1px dashed var(--border); border-radius: 14px; padding: 22px 24px; transition: all .3s; }
.qual-card:hover { border-color: var(--orange); border-style: solid; }
.qual-card .medal { flex-shrink: 0; width: 52px; height: 52px; border-radius: 12px; background: linear-gradient(135deg, rgba(255,122,0,.14), rgba(255,184,0,.14)); display: flex; align-items: center; justify-content: center; }
.qual-card h4 { font-size: 15px; color: var(--navy); }
.qual-card small { font-size: 12px; color: #A6AEB9; }

/* ---------- 新闻 ---------- */
.news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all .35s; }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.news-card .cover { height: 170px; background: linear-gradient(135deg, #F5F7FA, #FFE9D6); display: flex; align-items: center; justify-content: center; font-size: 40px; }
.news-card .body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.news-card .meta { font-size: 12px; color: #A6AEB9; display: flex; gap: 14px; margin-bottom: 12px; }
.news-card .meta .cat { color: var(--orange); }
.news-card h3 { font-size: 17px; color: var(--navy); line-height: 1.5; margin-bottom: 10px; }
.news-card p { font-size: 13px; color: var(--text-sub); flex: 1; }

/* ---------- CTA ---------- */
.cta-band { position: relative; background: var(--navy); border-radius: 24px; overflow: hidden; padding: 72px 64px; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band::before { content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 122, 0, .35), transparent 65%); top: -200px; right: -120px; }
.cta-band h2 { font-size: clamp(26px, 3vw, 38px); margin-bottom: 12px; }
.cta-band p { color: rgba(255, 255, 255, .75); }
.cta-right { display: flex; align-items: center; gap: 28px; position: relative; z-index: 2; }
.cta-phone { font-size: 30px; font-weight: 800; letter-spacing: 1px; }
.cta-phone small { display: block; font-size: 13px; font-weight: 400; color: rgba(255,255,255,.65); margin-top: 4px; letter-spacing: 2px; }
.cta-qr { width: 118px; height: 118px; border-radius: 12px; border: 3px solid rgba(255, 255, 255, .85); overflow: hidden; background: #fff; }
.cta-qr img { width: 100%; height: 100%; object-fit: cover; }
.qr-tip { font-size: 12px; color: rgba(255,255,255,.65); text-align: center; margin-top: 8px; }

/* ---------- 页脚 ---------- */
footer.footer { background: var(--navy); color: rgba(255, 255, 255, .72); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 20px; }
.footer li { margin-bottom: 12px; font-size: 14px; }
.footer li a:hover { color: var(--orange-light); }
.footer .brand p { font-size: 14px; margin-top: 16px; max-width: 300px; }
.footer-contact { display: flex; gap: 18px; align-items: flex-start; }
.footer-contact img { width: 96px; height: 96px; border-radius: 8px; border: 2px solid rgba(255,255,255,.3); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0; font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: rgba(255,255,255,.45); }

/* ---------- 悬浮联系 ---------- */
.float-contact { position: fixed; right: 24px; bottom: 110px; z-index: 900; display: flex; flex-direction: column; gap: 12px; }
.float-btn { width: 52px; height: 52px; border-radius: 50%; background: #fff; box-shadow: 0 6px 24px rgba(14,26,43,.16); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .3s; border: 1px solid var(--border); position: relative; }
.float-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(255,122,0,.3); }
.float-btn svg { width: 24px; height: 24px; }
.float-btn .pop { position: absolute; right: 64px; top: 50%; transform: translateY(-50%) scale(.9); background: #fff; border-radius: 12px; box-shadow: var(--shadow-hover); padding: 14px; opacity: 0; pointer-events: none; transition: all .3s; text-align: center; }
.float-btn:hover .pop { opacity: 1; transform: translateY(-50%) scale(1); pointer-events: auto; }
.float-btn .pop img { width: 110px; height: 110px; border-radius: 8px; }
.float-btn .pop span { display: block; font-size: 12px; color: var(--text-sub); margin-top: 6px; }
#backTop { opacity: 0; pointer-events: none; background: var(--orange-grad); border: none; }
#backTop.show { opacity: 1; pointer-events: auto; }
#backTop svg path { stroke: #fff; }

/* ---------- 滚动动画 ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s cubic-bezier(.2,.6,.2,1), transform .8s cubic-bezier(.2,.6,.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
.reveal[data-delay="4"] { transition-delay: .48s; }

/* ---------- 子页 PageHero（浅色系） ---------- */
.page-hero { background: #FDFBF7 url("../img/hero-bg-light.jpg") center/cover; padding: 170px 0 90px; color: var(--text); position: relative; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,.35), rgba(253,251,247,.82)); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero .crumb { font-size: 13px; color: #8B95A3; margin-bottom: 16px; }
.page-hero .crumb a:hover { color: var(--orange); }
.page-hero h1 { font-size: clamp(30px, 4vw, 48px); font-weight: 800; color: var(--navy); }
.page-hero p { margin-top: 14px; max-width: 620px; color: var(--text-sub); }

/* ---------- 筛选 Tab ---------- */
.filter-tabs { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.filter-tabs button { padding: 10px 26px; border-radius: 100px; border: 1px solid var(--border); background: #fff; color: var(--text-sub); font-size: 14px; cursor: pointer; transition: all .3s; }
.filter-tabs button.active, .filter-tabs button:hover { background: var(--orange-grad); border-color: transparent; color: #fff; box-shadow: 0 6px 18px rgba(255,122,0,.3); }

/* ---------- AI 页 ---------- */
.ai-hero-split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.scene-list li { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 22px 26px; margin-bottom: 16px; display: flex; gap: 18px; align-items: flex-start; transition: all .3s; }
.scene-list li:hover { border-color: rgba(255,122,0,.5); box-shadow: var(--shadow); transform: translateX(6px); }
.scene-list .em { font-size: 26px; }
.scene-list h4 { font-size: 16px; color: var(--navy); }
.scene-list p { font-size: 13.5px; color: var(--text-sub); }

/* ---------- 后台 admin ---------- */
body.admin-body { background: var(--bg-gray); }
.admin-login { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--navy) url("../img/hero-bg.jpg") center/cover; }
.admin-login::after { content: ""; position: absolute; }
.login-card { background: rgba(255,255,255,.97); border-radius: 20px; padding: 48px 44px; width: 420px; box-shadow: 0 30px 80px rgba(0,0,0,.35); position: relative; z-index: 2; }
.login-card h2 { color: var(--navy); font-size: 24px; margin-bottom: 6px; }
.login-card .sub { font-size: 13px; color: var(--text-sub); margin-bottom: 30px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13px; color: var(--text-sub); margin-bottom: 8px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 13px 16px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 15px; font-family: inherit; outline: none; transition: all .3s; background: #fff;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,122,0,.12); }
.admin-layout { display: flex; min-height: 100vh; }
.admin-side { width: 240px; background: var(--navy); color: rgba(255,255,255,.8); padding: 24px 0; flex-shrink: 0; }
.admin-side .side-logo { display: flex; align-items: center; gap: 10px; padding: 0 24px 24px; color: #fff; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 16px; }
.admin-side nav a { display: flex; align-items: center; gap: 12px; padding: 13px 24px; font-size: 14px; transition: all .25s; border-left: 3px solid transparent; }
.admin-side nav a:hover, .admin-side nav a.active { background: rgba(255,122,0,.12); color: #FFB800; border-left-color: var(--orange); }
.admin-main { flex: 1; padding: 32px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.admin-topbar h2 { font-size: 22px; color: var(--navy); }
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 28px; }
.stat-card { background: #fff; border-radius: 14px; padding: 24px; border: 1px solid var(--border); }
.stat-card .v { font-size: 28px; font-weight: 800; color: var(--navy); }
.stat-card .v em { font-style: normal; color: var(--orange); font-size: 13px; margin-left: 6px; }
.stat-card .l { font-size: 13px; color: var(--text-sub); margin-top: 4px; }
.admin-panel { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 26px; margin-bottom: 24px; }
.admin-panel h3 { font-size: 16px; color: var(--navy); margin-bottom: 18px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th { text-align: left; padding: 12px; background: var(--bg-gray); color: var(--text-sub); font-weight: 600; border-bottom: 1px solid var(--border); }
.data-table td { padding: 13px 12px; border-bottom: 1px solid var(--border); color: var(--text); }
.data-table tr:hover td { background: #FFF9F2; }
.badge { font-size: 12px; padding: 3px 10px; border-radius: 100px; }
.badge.ok { background: rgba(18,183,106,.1); color: #0E9F5D; }
.badge.pending { background: rgba(255,122,0,.1); color: var(--orange); }
.badge.draft { background: #EFF1F4; color: #8B95A3; }
.chart-ph { height: 240px; background: linear-gradient(180deg, #FFF6EC, #fff); border: 1px dashed var(--border); border-radius: 12px; display: flex; align-items: flex-end; gap: 14px; padding: 24px; }
.chart-ph .bar { flex: 1; background: var(--orange-grad); border-radius: 6px 6px 0 0; opacity: .85; animation: barGrow 1.2s cubic-bezier(.2,.6,.2,1) backwards; }
@keyframes barGrow { from { height: 0 !important; } }
.demo-note { font-size: 12px; color: #A6AEB9; background: #FFF9F2; border: 1px dashed rgba(255,122,0,.4); padding: 10px 16px; border-radius: 10px; margin-bottom: 24px; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split, .ai-hero-split { grid-template-columns: 1fr; gap: 40px; }
  .timeline { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .timeline::before { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .admin-side { display: none; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-drawer { display: block; position: fixed; top: 0; right: -280px; width: 260px; height: 100vh; background: #fff; z-index: 1001; padding: 90px 32px; transition: right .35s ease; box-shadow: -8px 0 30px rgba(14,26,43,.15); }
  .nav-drawer.open { right: 0; }
  .nav-drawer a { display: block; padding: 14px 0; font-size: 16px; color: var(--navy); border-bottom: 1px solid var(--border); }
  section.section { padding: 64px 0; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .cta-band { padding: 48px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .timeline { grid-template-columns: 1fr; }
  .float-contact { right: 14px; }
}