/* =========================================================
   深圳市新恩网络科技有限公司 — 官网样式
   科技风 · 品牌蓝 (#1B75BC → #29ABE2)
   ========================================================= */
:root {
  --blue: #1B75BC;
  --cyan: #29ABE2;
  --blue-deep: #0E4C8A;
  --navy: #071A2E;
  --navy-2: #0A2342;
  --navy-3: #0E2C50;
  --text: #17293D;
  --muted: #5C6E82;
  --line: #E3EAF2;
  --bg: #FFFFFF;
  --bg-soft: #F4F8FC;
  --grad: linear-gradient(135deg, #1B75BC 0%, #29ABE2 100%);
  --shadow: 0 12px 40px rgba(11, 55, 105, .10);
  --shadow-hover: 0 18px 56px rgba(11, 55, 105, .18);
  --radius: 14px;
  --container: 1280px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--navy); color: rgba(255,255,255,.72); font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.topbar a:hover { color: #fff; }
.topbar .tb-right { display: flex; gap: 22px; align-items: center; }
.topbar .tb-phone { color: #7FC8F2; font-weight: 600; }

/* ---------- 主导航 ---------- */
.header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.header.scrolled { box-shadow: 0 6px 24px rgba(7,26,46,.08); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo img { height: 46px; width: auto; max-width: 176px; aspect-ratio: 206 / 57; object-fit: contain; }
.nav { display: flex; gap: 4px; }
.nav a { position: relative; padding: 10px 14px; font-size: 15.5px; font-weight: 500; color: var(--text); border-radius: 8px; white-space: nowrap; }
.nav a:hover { color: var(--blue); }
.nav a.active { color: var(--blue); font-weight: 600; }
.nav a.active::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 3px; border-radius: 3px; background: var(--grad); }
/* 二级下拉菜单 */
.nav-item { position: relative; }
.nav-item > a { display: inline-flex; align-items: center; gap: 7px; }
.nav-item .caret { width: 0; height: 0; border-left: 4.5px solid transparent; border-right: 4.5px solid transparent; border-top: 5px solid currentColor; opacity: .5; transition: transform .25s; }
.nav-item:hover .caret { transform: rotate(180deg); }
.nav-item .sub-menu { position: absolute; left: 50%; top: 100%; transform: translateX(-50%) translateY(10px); min-width: 258px; background: #fff; border: 1px solid var(--line); border-radius: 13px; box-shadow: 0 22px 50px rgba(7,26,46,.16); padding: 9px; opacity: 0; visibility: hidden; transition: opacity .25s, transform .25s, visibility .25s; z-index: 5; }
.nav-item .sub-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
.nav-item:hover .sub-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(4px); }
.nav-item .sub-menu a { display: block; padding: 11px 14px; border-radius: 9px; font-size: 15px; font-weight: 500; }
.nav-item .sub-menu a:hover { background: var(--bg-soft); color: var(--blue); }
.nav-item .sub-menu a b { display: block; font-size: 15px; font-weight: 600; }
.nav-item .sub-menu a span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 2px; line-height: 1.6; }
.nav-item .sub-menu a.active { background: rgba(41,171,226,.1); color: var(--blue); }
.nav-item.active > a { color: var(--blue); font-weight: 600; }
.nav-item.active > a::after { content: ""; position: absolute; left: 14px; right: 26px; bottom: 2px; height: 3px; border-radius: 3px; background: var(--grad); }

.header-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--grad); color: #fff; padding: 11px 26px; border-radius: 999px; font-weight: 600; font-size: 15px; box-shadow: 0 8px 20px rgba(41,171,226,.35); transition: transform .25s, box-shadow .25s; white-space: nowrap; }
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(41,171,226,.45); color: #fff; }
.hamburger { display: none; background: none; border: 0; width: 42px; height: 42px; position: relative; }
.hamburger span, .hamburger span::before, .hamburger span::after { content: ""; position: absolute; left: 8px; width: 26px; height: 2px; background: var(--navy); border-radius: 2px; transition: .3s; }
.hamburger span { top: 20px; }
.hamburger span::before { top: -8px; left: 0; }
.hamburger span::after { top: 8px; left: 0; }
.hamburger.open span { background: transparent; }
.hamburger.open span::before { top: 0; transform: rotate(45deg); }
.hamburger.open span::after { top: 0; transform: rotate(-45deg); }

/* ---------- 内页 Banner ---------- */
.page-banner { position: relative; background: radial-gradient(1100px 420px at 20% -10%, rgba(41,171,226,.35), transparent 60%), linear-gradient(120deg, #071A2E 0%, #0A2342 55%, #0E3A66 100%); color: #fff; padding: 72px 0 64px; overflow: hidden; }
.page-banner::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(41,171,226,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(41,171,226,.08) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(180deg, #000 30%, transparent); }
.page-banner .container { position: relative; }
.page-banner h1 { font-size: 38px; letter-spacing: 1px; }
.page-banner p { margin-top: 10px; color: rgba(255,255,255,.66); font-size: 16px; max-width: 760px; }
.crumbs { margin-top: 18px; font-size: 13px; color: rgba(255,255,255,.5); }
.crumbs a:hover { color: var(--cyan); }

/* ---------- 通用 Section ---------- */
.section { padding: 92px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 780px; margin: 0 auto 56px; }
.section-head .en { font-size: 13px; letter-spacing: 4px; text-transform: uppercase; color: var(--cyan); font-weight: 700; }
.section-head h2 { font-size: 34px; margin: 10px 0 14px; color: var(--navy); }
.section-head h2 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-head p { color: var(--muted); }
.section-head.left { text-align: left; margin-left: 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 32px; border-radius: 999px; font-size: 15px; font-weight: 600; border: 0; transition: .25s; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 24px rgba(41,171,226,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(41,171,226,.45); color: #fff; }
.btn-ghost { border: 1px solid rgba(255,255,255,.45); color: #fff; background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-outline { border: 1px solid var(--blue); color: var(--blue); background: transparent; }
.btn-outline:hover { background: var(--blue); color: #fff; }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px; transition: .3s; position: relative; overflow: hidden; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.card .icon { width: 58px; height: 58px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(27,117,188,.12), rgba(41,171,226,.16)); color: var(--blue); margin-bottom: 20px; }
.card .icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 20px; color: var(--navy); margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; color: var(--blue); font-weight: 600; font-size: 14px; }
.card .more svg { width: 15px; height: 15px; transition: transform .25s; }
.card:hover .more svg { transform: translateX(4px); }
.card::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .35s; }
.card:hover::after { transform: scaleX(1); }

/* ---------- HERO ---------- */
.hero { position: relative; min-height: 660px; display: flex; align-items: center; color: #fff; background: radial-gradient(1200px 560px at 78% 8%, rgba(41,171,226,.28), transparent 62%), radial-gradient(900px 480px at 8% 90%, rgba(27,117,188,.32), transparent 60%), linear-gradient(118deg, #061524 0%, #0A2342 58%, #0D3358 100%); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(41,171,226,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(41,171,226,.07) 1px, transparent 1px); background-size: 60px 60px; mask-image: linear-gradient(180deg, #000 40%, transparent 95%); }
.hero-glow { position: absolute; width: 560px; height: 560px; border-radius: 50%; background: radial-gradient(circle, rgba(41,171,226,.22), transparent 65%); top: -140px; right: -120px; filter: blur(8px); animation: float 9s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-26px);} }
.hero .container { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; padding-top: 40px; padding-bottom: 60px; }
.hero-badge { display: inline-flex; align-items: center; gap: 10px; border: 1px solid rgba(41,171,226,.45); background: rgba(41,171,226,.10); padding: 8px 18px; border-radius: 999px; font-size: 13.5px; color: #8FD6F5; letter-spacing: 1px; }
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #35E0A1; box-shadow: 0 0 12px #35E0A1; animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }
.hero h1 { font-size: 52px; line-height: 1.28; margin: 26px 0 8px; font-weight: 700; letter-spacing: 1px; }
.hero h1 .hl { background: linear-gradient(90deg, #56C6F2, #9BE2FA); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .rotate-line { font-size: 24px; font-weight: 600; color: rgba(255,255,255,.88); min-height: 40px; margin-bottom: 20px; }
.hero .rotate-line .word { color: #56C6F2; border-bottom: 2px solid rgba(86,198,242,.5); }
.hero p.sub { color: rgba(255,255,255,.66); font-size: 16.5px; max-width: 560px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 46px; margin-top: 54px; }
.hero-stats .hs b { display: block; font-size: 34px; background: linear-gradient(90deg, #56C6F2, #B7E9FB); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stats .hs span { font-size: 13.5px; color: rgba(255,255,255,.55); }

/* hero 右侧 视觉面板 */
.hero-visual { position: relative; }
.hv-panel { background: linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,.03)); border: 1px solid rgba(120,200,240,.25); border-radius: 20px; padding: 28px; backdrop-filter: blur(6px); box-shadow: 0 30px 70px rgba(0,0,0,.35); }
.hv-title { display: flex; justify-content: space-between; align-items: center; font-size: 14px; color: rgba(255,255,255,.75); margin-bottom: 20px; }
.hv-title b { color: #fff; font-size: 16px; }
.ai-row { display: flex; align-items: center; justify-content: space-between; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 13px 16px; margin-bottom: 12px; font-size: 14px; color: rgba(255,255,255,.85); }
.ai-row .tag { font-size: 12px; padding: 3px 10px; border-radius: 999px; background: rgba(53,224,161,.16); color: #5CE8B4; }
.ai-row .tag.up { background: rgba(86,198,242,.16); color: #7CD4F5; }
.hv-chart { margin-top: 18px; }
.hv-chart svg { width: 100%; height: auto; }
.hv-float { position: absolute; right: -18px; bottom: -26px; background: #fff; color: var(--navy); border-radius: 14px; padding: 16px 20px; box-shadow: 0 20px 50px rgba(0,0,0,.3); font-size: 13px; animation: float 7s ease-in-out infinite; }
.hv-float b { display: block; font-size: 22px; color: var(--blue); }

/* ---------- 数字统计条 ---------- */
.stats-band { background: var(--grad); color: #fff; padding: 40px 0; }
.stats-band .grid-4 { gap: 10px; }
.stat { text-align: center; }
.stat b { font-size: 40px; font-weight: 700; }
.stat span { display: block; font-size: 14px; opacity: .85; margin-top: 4px; }

/* ---------- 关于 ---------- */
.about-wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.about-visual { position: relative; }
.av-card { background: linear-gradient(150deg, #0A2342, #10406E); border-radius: 20px; padding: 44px 40px; color: #fff; box-shadow: var(--shadow-hover); position: relative; overflow: hidden; }
.av-card::before { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(41,171,226,.35), transparent 70%); top: -80px; right: -60px; }
.av-card h3 { font-size: 24px; margin-bottom: 14px; }
.av-card p { color: rgba(255,255,255,.72); font-size: 14.5px; }
.av-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.av-tags span { font-size: 13px; padding: 6px 14px; border: 1px solid rgba(120,200,240,.4); border-radius: 999px; color: #9BDCF8; }
.av-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.av-mini div { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: 12px; padding: 14px 16px; }
.av-mini b { font-size: 20px; color: #7CD4F5; display: block; }
.av-mini span { font-size: 12.5px; color: rgba(255,255,255,.6); }
.about-points { margin: 26px 0 34px; display: grid; gap: 14px; }
.about-points li { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); font-size: 15px; }
.about-points .chk { flex: none; width: 22px; height: 22px; border-radius: 50%; background: rgba(41,171,226,.12); color: var(--blue); display: flex; align-items: center; justify-content: center; margin-top: 3px; }
.about-points .chk svg { width: 12px; height: 12px; }

/* ---------- GEO 策略 ---------- */
.strategy { counter-reset: st; }
.strategy .card h3::before { counter-increment: st; content: "0" counter(st); display: block; font-size: 13px; letter-spacing: 2px; color: var(--cyan); font-weight: 700; margin-bottom: 8px; }
.metric-chip { display: inline-block; margin-top: 16px; background: rgba(41,171,226,.10); color: var(--blue); font-weight: 700; font-size: 14px; padding: 5px 14px; border-radius: 999px; }

/* ---------- 对比表 ---------- */
.vs-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.vs-table th, .vs-table td { padding: 18px 22px; text-align: left; font-size: 15px; border-bottom: 1px solid var(--line); }
.vs-table thead th { background: var(--navy); color: #fff; font-size: 16px; }
.vs-table thead th:nth-child(2) { background: linear-gradient(135deg, #1B75BC, #29ABE2); }
.vs-table tbody tr:hover { background: var(--bg-soft); }
.vs-table td:first-child { color: var(--navy); font-weight: 600; width: 180px; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 22px; text-align: center; position: relative; transition: .3s; }
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.step::before { counter-increment: step; content: "0" counter(step); font-size: 40px; font-weight: 800; background: linear-gradient(180deg, rgba(27,117,188,.35), rgba(27,117,188,.05)); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; line-height: 1; margin-bottom: 14px; }
.step h4 { font-size: 17px; color: var(--navy); margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* ---------- 案例 ---------- */
.case-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .3s; display: flex; flex-direction: column; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.case-thumb { position: relative; overflow: hidden; aspect-ratio: 16/8.6; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .5s; }
.case-card:hover .case-thumb img { transform: scale(1.05); }
.case-body { padding: 24px 26px 26px; flex: 1; display: flex; flex-direction: column; }
.case-body .industry { font-size: 12.5px; color: var(--blue); background: rgba(41,171,226,.10); align-self: flex-start; padding: 4px 12px; border-radius: 999px; margin-bottom: 12px; }
.case-body h3 { font-size: 19px; color: var(--navy); margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--muted); flex: 1; }
.case-metrics { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.case-metrics span { font-size: 13px; font-weight: 700; color: var(--blue); background: rgba(27,117,188,.08); border: 1px solid rgba(27,117,188,.15); padding: 5px 12px; border-radius: 8px; }
.case-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 13.5px; color: var(--muted); word-break: break-all; }
.case-link:hover { color: var(--blue); }

/* GEO 案例详情条 */
.geo-case { display: grid; grid-template-columns: .9fr 1.1fr; gap: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 28px; transition: .3s; }
.geo-case:hover { box-shadow: var(--shadow-hover); }
.gc-left { background: linear-gradient(150deg, #0A2342, #10406E); color: #fff; padding: 40px 36px; position: relative; overflow: hidden; }
.gc-left::before { content: ""; position: absolute; width: 220px; height: 220px; border-radius: 50%; background: radial-gradient(circle, rgba(41,171,226,.3), transparent 70%); bottom: -80px; left: -60px; }
.gc-left .industry { font-size: 12.5px; color: #7CD4F5; letter-spacing: 1px; }
.gc-left h3 { font-size: 25px; margin: 10px 0 14px; }
.gc-left p { color: rgba(255,255,255,.7); font-size: 14.5px; }
.gc-metrics { display: flex; gap: 30px; margin-top: 30px; flex-wrap: wrap; }
.gc-metrics b { display: block; font-size: 30px; color: #7CD4F5; }
.gc-metrics span { font-size: 12.5px; color: rgba(255,255,255,.6); }
.gc-right { padding: 40px 36px; }
.gc-right h4 { font-size: 15px; color: var(--navy); margin-bottom: 18px; letter-spacing: 1px; }
.gc-strategy { display: grid; gap: 14px; }
.gc-strategy li { display: flex; gap: 14px; }
.gc-strategy .no { flex: none; width: 30px; height: 30px; border-radius: 9px; background: var(--grad); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.gc-strategy b { display: block; font-size: 15px; color: var(--navy); }
.gc-strategy p { font-size: 13.5px; color: var(--muted); }

/* ---------- 新闻 ---------- */
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .3s; display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.news-cover { height: 170px; position: relative; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 44px; font-weight: 800; letter-spacing: 2px; }
.news-cover.c1 { background: linear-gradient(135deg, #0A2342, #1B75BC); }
.news-cover.c2 { background: linear-gradient(135deg, #14528C, #29ABE2); }
.news-cover.c3 { background: linear-gradient(135deg, #0E3A66, #2AA0D8); }
.news-cover.c4 { background: linear-gradient(135deg, #10406E, #38B6EA); }
.news-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.news-meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.news-meta .cat { color: var(--blue); background: rgba(41,171,226,.1); padding: 2px 10px; border-radius: 999px; }
.news-body h3 { font-size: 17.5px; color: var(--navy); line-height: 1.5; margin-bottom: 10px; }
.news-body p { font-size: 14px; color: var(--muted); flex: 1; }
.filter-tabs { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.filter-tabs button, .filter-tabs a { padding: 9px 24px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 14.5px; transition: .25s; }
.filter-tabs button:hover, .filter-tabs a:hover { border-color: var(--cyan); color: var(--blue); }
.filter-tabs button.active, .filter-tabs a.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 20px rgba(41,171,226,.3); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; transition: .3s; }
.faq-item.open { border-color: rgba(41,171,226,.5); box-shadow: var(--shadow); }
.faq-q { width: 100%; background: none; border: 0; text-align: left; padding: 20px 24px; font-size: 16.5px; font-weight: 600; color: var(--navy); display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.faq-q .idx { color: var(--cyan); font-weight: 800; margin-right: 12px; }
.faq-q .arrow { flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; transition: .3s; }
.faq-q .arrow svg { width: 14px; height: 14px; color: var(--blue); }
.faq-item.open .arrow { transform: rotate(180deg); background: var(--grad); }
.faq-item.open .arrow svg { color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a-inner { padding: 0 24px 22px 58px; color: var(--muted); font-size: 15px; }

/* ---------- CTA ---------- */
.cta-band { position: relative; background: radial-gradient(900px 400px at 85% 20%, rgba(41,171,226,.4), transparent 60%), linear-gradient(115deg, #071A2E, #0E3A66); color: #fff; padding: 78px 0; overflow: hidden; }
.cta-band .container { display: flex; justify-content: space-between; align-items: center; gap: 40px; flex-wrap: wrap; position: relative; }
.cta-band .container > div:first-child { flex: 1 1 520px; min-width: 0; max-width: 760px; }
.cta-band .container > div:last-child { flex: 0 0 auto; white-space: nowrap; }
.cta-band h2 { font-size: 32px; margin-bottom: 10px; max-width: 720px; }
.cta-band p { color: rgba(255,255,255,.65); }
@media (max-width: 720px) { .cta-band .container > div:last-child { white-space: normal; } }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy); color: rgba(255,255,255,.62); font-size: 14px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 46px; padding: 70px 0 50px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 20px; letter-spacing: 1px; }
.footer-logo img { height: 44px; width: auto; background: transparent; padding: 0; margin-bottom: 18px; aspect-ratio: 206 / 57; object-fit: contain; }
.footer-desc { line-height: 1.9; }
.footer ul li { margin-bottom: 11px; }
.footer ul a:hover { color: var(--cyan); }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; line-height: 1.7; }
.footer-contact svg { flex: none; width: 17px; height: 17px; color: var(--cyan); margin-top: 4px; }
.footer-qr { display: flex; gap: 14px; align-items: center; margin-top: 18px; }
.footer-qr img { width: 92px; height: 92px; border-radius: 8px; background: #fff; padding: 4px; }
.footer-qr span { font-size: 13px; line-height: 1.8; }
.links-band { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; }
.links-band .container { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.links-band b { color: rgba(255,255,255,.75); font-size: 13.5px; margin-right: 8px; }
.links-band a { font-size: 13.5px; margin-right: 18px; }
.links-band a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; font-size: 13px; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- 悬浮侧栏 ---------- */
.float-bar { position: fixed; right: 22px; bottom: 90px; z-index: 90; display: grid; gap: 12px; }
.float-bar a, .float-bar button { width: 52px; height: 52px; border-radius: 12px; background: #fff; border: 1px solid var(--line); box-shadow: 0 10px 26px rgba(7,26,46,.14); display: flex; align-items: center; justify-content: center; color: var(--blue); transition: .25s; }
.float-bar a:hover, .float-bar button:hover { background: var(--grad); color: #fff; border-color: transparent; transform: translateY(-3px); }
.float-bar svg { width: 22px; height: 22px; }
.float-qr { position: absolute; right: 64px; bottom: 0; width: 148px; background: #fff; border-radius: 12px; box-shadow: var(--shadow-hover); padding: 12px; opacity: 0; pointer-events: none; transform: translateX(8px); transition: .3s; text-align: center; }
.float-qr img { width: 124px; height: 124px; object-fit: contain; border-radius: 8px; display: block; margin: 0 auto; }
.float-qr.show { opacity: 1; transform: translateX(0); }
.float-qr p { font-size: 12.5px; color: var(--navy); margin-top: 8px; line-height: 1.6; }
.back-top { position: fixed; right: 22px; bottom: 26px; z-index: 90; width: 52px; height: 52px; border-radius: 12px; background: var(--grad); color: #fff; border: 0; box-shadow: 0 10px 26px rgba(41,171,226,.4); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: .3s; }
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-3px); }
.back-top svg { width: 20px; height: 20px; }

/* ---------- 表单 ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 50px; }
.contact-info-card { background: linear-gradient(155deg, #0A2342, #10406E); border-radius: 18px; color: #fff; padding: 42px 38px; position: relative; overflow: hidden; }
.contact-info-card::before { content: ""; position: absolute; width: 240px; height: 240px; border-radius: 50%; background: radial-gradient(circle, rgba(41,171,226,.3), transparent 70%); top: -70px; right: -60px; }
.contact-info-card h3 { font-size: 22px; margin-bottom: 24px; }
.contact-line { display: flex; gap: 14px; margin-bottom: 24px; }
.contact-line .ico { flex: none; width: 44px; height: 44px; border-radius: 12px; background: rgba(41,171,226,.15); display: flex; align-items: center; justify-content: center; color: #7CD4F5; }
.contact-line .ico svg { width: 20px; height: 20px; }
.contact-line b { display: block; font-size: 15px; }
.contact-line span { font-size: 13.5px; color: rgba(255,255,255,.65); }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 42px 38px; box-shadow: var(--shadow); }
.contact-form h3 { font-size: 22px; color: var(--navy); margin-bottom: 6px; }
.contact-form .tip { color: var(--muted); font-size: 14px; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13.5px; color: var(--navy); font-weight: 600; margin-bottom: 7px; }
.form-field input, .form-field select, .form-field textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; font-size: 14.5px; font-family: inherit; color: var(--text); outline: none; transition: .25s; background: var(--bg-soft); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--cyan); background: #fff; box-shadow: 0 0 0 3px rgba(41,171,226,.12); }
.form-field textarea { min-height: 110px; resize: vertical; }
.form-submit { width: 100%; margin-top: 8px; }
.form-note { font-size: 12.5px; color: var(--muted); text-align: center; margin-top: 14px; }

/* ---------- Tabs（产品页） ---------- */
.product-tabs { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 50px; }
.product-tabs button { padding: 11px 26px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 15px; color: var(--muted); transition: .25s; }
.product-tabs button.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 22px rgba(41,171,226,.32); }
.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fadeUp .5s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px);} to { opacity: 1; transform: none;} }
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.product-detail .pd-list li { display: flex; gap: 12px; margin-bottom: 16px; color: var(--muted); font-size: 15px; }
.product-detail .pd-list .chk { flex: none; width: 24px; height: 24px; border-radius: 50%; background: rgba(41,171,226,.12); color: var(--blue); display: flex; align-items: center; justify-content: center; margin-top: 3px; }
.pd-visual { background: linear-gradient(155deg, #0A2342, #10406E); border-radius: 20px; padding: 36px; color: #fff; min-height: 380px; position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.pd-visual::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(41,171,226,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(41,171,226,.08) 1px, transparent 1px); background-size: 40px 40px; }
.pd-visual > * { position: relative; }
.pd-visual h4 { font-size: 20px; margin-bottom: 20px; color: #7CD4F5; }
.pd-visual .pv-row { display: flex; justify-content: space-between; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: 10px; padding: 12px 16px; margin-bottom: 10px; font-size: 14px; }
.pd-visual .pv-row b { color: #5CE8B4; }

/* ---------- 解决方案 ---------- */
.sol-item { display: grid; grid-template-columns: 64px 1fr; gap: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; transition: .3s; }
.sol-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.sol-item .icon { width: 60px; height: 60px; border-radius: 16px; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; }
.sol-item .icon svg { width: 28px; height: 28px; }
.sol-item h3 { font-size: 19px; color: var(--navy); margin-bottom: 8px; }
.sol-item p { color: var(--muted); font-size: 14.5px; }
.industry-card { position: relative; border-radius: var(--radius); overflow: hidden; color: #fff; padding: 34px 30px; min-height: 220px; display: flex; flex-direction: column; justify-content: flex-end; transition: .3s; }
.industry-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.industry-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 20%, rgba(5,18,32,.85)); z-index: 1; }
.ic-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .5s; }
.industry-card:hover .ic-bg { transform: scale(1.07); }
.industry-card > div { position: relative; z-index: 2; }
.industry-card h3 { font-size: 20px; margin-bottom: 8px; }
.industry-card p { font-size: 13.5px; color: rgba(255,255,255,.78); }
.industry-card .tagline { font-size: 12px; color: #7CD4F5; letter-spacing: 2px; margin-bottom: 8px; text-transform: uppercase; }
.ic-1 { background: linear-gradient(135deg, #0E3A66, #1B75BC); }
.ic-2 { background: linear-gradient(135deg, #123F74, #26A0D6); }
.ic-3 { background: linear-gradient(135deg, #0A2342, #15619F); }
.ic-4 { background: linear-gradient(135deg, #14486E, #2AA0D8); }
.ic-5 { background: linear-gradient(135deg, #0D3055, #1E86C4); }

/* ---------- 资质 ---------- */
.honor-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; text-align: center; transition: .3s; }
.honor-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.honor-card .medal { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%; background: linear-gradient(135deg, rgba(27,117,188,.14), rgba(41,171,226,.2)); color: var(--blue); display: flex; align-items: center; justify-content: center; }
.honor-card .medal svg { width: 30px; height: 30px; }
.honor-card h3 { font-size: 17px; color: var(--navy); margin-bottom: 8px; }
.honor-card p { font-size: 13.5px; color: var(--muted); }
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--cyan), rgba(27,117,188,.15)); }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item::before { content: ""; position: absolute; left: -30px; top: 7px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--cyan); box-shadow: 0 0 0 4px rgba(41,171,226,.15); }
.tl-item b { color: var(--blue); font-size: 18px; }
.tl-item h4 { font-size: 17px; color: var(--navy); margin: 4px 0 6px; }
.tl-item p { color: var(--muted); font-size: 14.5px; }

/* ---------- 滚动动效 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero .container { grid-template-columns: 1fr; gap: 44px; }
  .hero h1 { font-size: 42px; }
  .hero-visual { max-width: 620px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .about-wrap, .contact-wrap, .product-detail { grid-template-columns: 1fr; }
  .geo-case { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 24px 24px; gap: 4px; box-shadow: 0 24px 40px rgba(7,26,46,.12); }
  .nav.open { display: flex; }
  .nav a { padding: 13px 10px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav a.active::after { display: none; }
  .hamburger { display: block; }
  .header-cta { display: none; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 27px; }
  .hero { min-height: 0; }
  .hero h1 { font-size: 32px; }
  .hero .rotate-line { font-size: 19px; }
  .hero-stats { gap: 26px; flex-wrap: wrap; }
  .hero-stats .hs b { font-size: 26px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .topbar .tb-left { display: none; }
  .topbar .container { justify-content: center; }
  .topbar .tb-right span.hide-m { display: none; }
  .page-banner h1 { font-size: 28px; }
  .vs-table { display: block; overflow-x: auto; }
  .stats-band .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 26px 0; }
  .stat b { font-size: 30px; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; padding: 50px 0 36px; }
  .form-row { grid-template-columns: 1fr; }
  .float-bar { right: 14px; bottom: 80px; }
  .back-top { right: 14px; bottom: 20px; }
  .steps { grid-template-columns: 1fr; }
}

/* =========================================================
   扩展组件：详情页 / 诊断 / 引擎矩阵 / 流程 / AI 缩略图
   ========================================================= */

/* ---------- 详情页骨架 ---------- */
.detail-wrap { display: grid; grid-template-columns: 1fr 330px; gap: 48px; align-items: start; }
.d-body h2 { font-size: 26px; color: var(--navy); margin: 44px 0 16px; display: flex; align-items: center; gap: 12px; }
.d-body h2::before { content: ""; flex: none; width: 5px; height: 25px; border-radius: 3px; background: var(--grad); }
.d-body h2:first-child { margin-top: 0; }
.d-body h3 { font-size: 18.5px; color: var(--navy); margin: 26px 0 8px; }
.d-body p { color: var(--muted); margin-bottom: 14px; font-size: 15.2px; }
.d-body > .lead { font-size: 16px; color: var(--text); }
ul.d-list { display: grid; gap: 11px; margin: 8px 0 12px; }
ul.d-list li { display: flex; gap: 12px; color: var(--muted); font-size: 15px; }
ul.d-list li::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--grad); margin-top: 11px; }
.d-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; }
.d-meta div span { display: block; font-size: 12.5px; color: var(--muted); }
.d-meta div b { font-size: 15.5px; color: var(--navy); }
.kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 22px 0 10px; }
.kpi { background: linear-gradient(150deg, #0A2342, #10406E); border-radius: var(--radius); padding: 26px 20px; color: #fff; text-align: center; position: relative; overflow: hidden; }
.kpi::before { content: ""; position: absolute; width: 140px; height: 140px; border-radius: 50%; background: radial-gradient(circle, rgba(41,171,226,.28), transparent 70%); top: -50px; right: -40px; }
.kpi b { display: block; font-size: 32px; color: #7CD4F5; position: relative; }
.kpi span { font-size: 13px; color: rgba(255,255,255,.66); position: relative; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; margin-bottom: 22px; }
.side-card h4 { font-size: 16px; color: var(--navy); margin-bottom: 14px; padding-left: 12px; border-left: 3px solid var(--cyan); }
.side-card.cta { background: linear-gradient(150deg, #0A2342, #10406E); border: 0; color: rgba(255,255,255,.7); text-align: center; }
.side-card.cta h4 { color: #fff; border: 0; padding: 0; }
.side-list li { border-bottom: 1px dashed var(--line); padding: 11px 0; font-size: 14.5px; }
.side-list li:last-child { border-bottom: 0; }
.side-list a { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); }
.side-list a:hover { color: var(--blue); }
.side-list .t { color: var(--navy); text-align: right; }
.side-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.side-tags span { font-size: 13px; color: var(--blue); background: rgba(41,171,226,.1); border-radius: 999px; padding: 5px 13px; }

/* ---------- 诊断卡片 ---------- */
.diag-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 30px; height: 100%; transition: .3s; position: relative; overflow: hidden; }
.diag-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.diag-card .no { font-size: 44px; font-weight: 800; line-height: 1; background: linear-gradient(180deg, rgba(27,117,188,.38), rgba(27,117,188,.04)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.diag-card h3 { font-size: 20px; color: var(--navy); margin: 6px 0 12px; }
.diag-card .goal { display: block; font-size: 13.5px; color: var(--blue); background: rgba(41,171,226,.10); border-radius: 8px; padding: 9px 13px; margin-bottom: 16px; line-height: 1.7; }
.diag-card ul { display: grid; gap: 9px; }
.diag-card ul li { display: flex; gap: 10px; font-size: 14.2px; color: var(--muted); }
.diag-card ul li::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); margin-top: 9px; }
.diag-card .out { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); font-size: 13.2px; color: var(--muted); }
.diag-card .out b { color: var(--navy); }

/* ---------- 引擎矩阵 ---------- */
.engine-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.engine-chip { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 17px 10px; text-align: center; font-size: 15px; font-weight: 600; color: var(--navy); transition: .25s; }
.engine-chip:hover { border-color: var(--cyan); color: var(--blue); transform: translateY(-4px); box-shadow: var(--shadow); }
.engine-chip span { display: block; font-size: 11.5px; color: var(--muted); font-weight: 400; margin-top: 3px; }
.engine-note { margin-top: 20px; text-align: center; color: var(--muted); font-size: 14px; }

/* ---------- 详细流程 ---------- */
.flow { display: grid; gap: 18px; }
.flow-item { display: grid; grid-template-columns: 72px 1fr 300px; gap: 26px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; transition: .3s; }
.flow-item:hover { border-color: transparent; box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.flow-item .fno { width: 72px; height: 72px; border-radius: 18px; background: var(--grad); color: #fff; font-size: 26px; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 22px rgba(41,171,226,.3); }
.flow-item h3 { font-size: 19px; color: var(--navy); margin-bottom: 8px; }
.flow-item p { font-size: 14.5px; color: var(--muted); }
.flow-item .fside { background: var(--bg-soft); border-radius: 12px; padding: 16px 18px; font-size: 13.5px; color: var(--muted); }
.flow-item .fside b { display: block; color: var(--navy); font-size: 12.8px; letter-spacing: 1px; margin-bottom: 6px; }
.flow-item .fside div + div { margin-top: 10px; }

/* ---------- 代码块 ---------- */
.code-block { background: #071A2E; border-radius: 12px; padding: 20px 22px; color: #9BDCF8; font-family: Consolas, Monaco, "Courier New", monospace; font-size: 13px; line-height: 1.95; overflow-x: auto; }
.code-block .c { color: rgba(255,255,255,.4); }
.code-block .k { color: #5CE8B4; }

/* ---------- 能力矩阵 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; transition: .3s; }
.feat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.feat-card .icon { width: 56px; height: 56px; border-radius: 15px; background: linear-gradient(135deg, rgba(27,117,188,.12), rgba(41,171,226,.18)); color: var(--blue); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.feat-card .icon svg { width: 27px; height: 27px; }
.feat-card h3 { font-size: 19px; color: var(--navy); margin-bottom: 10px; }
.feat-card p { font-size: 14.3px; color: var(--muted); }
.feat-card .tag { display: inline-block; margin-top: 14px; font-size: 12.5px; font-weight: 700; color: var(--blue); background: rgba(41,171,226,.1); border-radius: 999px; padding: 4px 12px; }

/* ---------- 语言矩阵 ---------- */
.lang-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.lang-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; text-align: center; transition: .25s; }
.lang-item:hover { border-color: var(--cyan); box-shadow: var(--shadow); transform: translateY(-4px); }
.lang-item b { display: block; font-size: 17px; color: var(--navy); }
.lang-item span { font-size: 12.5px; color: var(--muted); }

/* ---------- 案例列表 · AI 引用缩略图 ---------- */
.thumb-ai { background: linear-gradient(150deg, #0A2342 0%, #10406E 100%); padding: 26px 24px; display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.thumb-ai .ta-q { font-size: 13.5px; color: rgba(255,255,255,.66); display: flex; align-items: center; gap: 9px; }
.thumb-ai .ta-q::before { content: "Q"; flex: none; width: 21px; height: 21px; border-radius: 6px; background: rgba(255,255,255,.1); color: #9BDCF8; font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.thumb-ai .ta-a { background: rgba(255,255,255,.07); border: 1px solid rgba(120,200,240,.18); border-radius: 12px; padding: 14px 16px; font-size: 13.5px; color: rgba(255,255,255,.82); line-height: 1.9; }
.thumb-ai .ta-a b { background: rgba(53,224,161,.16); color: #5CE8B4; padding: 1px 7px; border-radius: 5px; font-weight: 700; }
.thumb-ai .ta-badge { position: absolute; top: 16px; right: 16px; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; background: rgba(53,224,161,.16); color: #5CE8B4; border: 1px solid rgba(53,224,161,.32); }
.thumb-ai .ta-engines { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 2px; }
.thumb-ai .ta-engines span { font-size: 11.5px; color: #9BDCF8; border: 1px solid rgba(120,200,240,.28); border-radius: 999px; padding: 2px 10px; }

/* ---------- 报告 / 交付清单 ---------- */
.report-list { display: grid; gap: 14px; }
.report-list li { display: grid; grid-template-columns: 34px 1fr; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; }
.report-list li i { font-style: normal; width: 34px; height: 34px; border-radius: 10px; background: var(--grad); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.report-list li b { display: block; font-size: 16px; color: var(--navy); margin-bottom: 4px; }
.report-list li p { font-size: 14px; color: var(--muted); }

/* ---------- 评分条 ---------- */
.score-row { display: grid; grid-template-columns: 190px 1fr 78px; gap: 18px; align-items: center; padding: 13px 0; border-bottom: 1px dashed var(--line); }
.score-row:last-child { border-bottom: 0; }
.score-row .s-name { font-size: 14.5px; color: var(--navy); font-weight: 600; }
.score-bar { height: 9px; border-radius: 999px; background: var(--bg-soft); overflow: hidden; }
.score-bar i { display: block; height: 100%; border-radius: 999px; background: var(--grad); }
.score-row .s-val { text-align: right; font-size: 15px; font-weight: 700; color: var(--blue); }

/* ---------- 扩展响应式 ---------- */
@media (max-width: 1080px) {
  .detail-wrap { grid-template-columns: 1fr; gap: 40px; }
  .engine-grid { grid-template-columns: repeat(3, 1fr); }
  .flow-item { grid-template-columns: 72px 1fr; }
  .flow-item .fside { grid-column: 1 / -1; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .lang-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-item { width: 100%; }
  .nav-item > a { width: 100%; justify-content: flex-start; }
  .nav-item .sub-menu { position: static; transform: none; box-shadow: none; border: 0; border-radius: 0; padding: 2px 0 8px 16px; min-width: 0; background: transparent; opacity: 1; visibility: visible; display: none; }
  .nav-item.open .sub-menu { display: block; }
  .nav-item:hover .sub-menu { transform: none; opacity: 1; visibility: visible; }
  .nav-item.open > a { color: var(--blue); }
  .nav-item .sub-menu a { padding: 11px 10px; border-bottom: 1px dashed var(--line); }
  .nav-item .sub-menu a:last-child { border-bottom: 0; }
  .nav-item .sub-menu a:hover { background: var(--bg-soft); }
  .nav-item.active > a::after { display: none; }
  .nav { max-height: 76vh; overflow-y: auto; }
}
@media (max-width: 720px) {
  .d-meta { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .kpi-grid { grid-template-columns: 1fr; }
  .engine-grid { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: 1fr; }
  .flow-item { grid-template-columns: 1fr; gap: 16px; }
  .d-body h2 { font-size: 22px; }
  .score-row { grid-template-columns: 1fr; gap: 8px; }
  .score-row .s-val { text-align: left; }
}


/* =========================================================
   视觉增强 v5：全站图文结合
   ========================================================= */

/* ---- 内页 banner 主视觉 ---- */
.page-banner .pb-art { position: absolute; right: -30px; top: 50%; transform: translateY(-50%); width: 620px; max-width: 54%; pointer-events: none; z-index: 0; }
.page-banner .pb-art img { width: 100%; display: block; opacity: .9;
  -webkit-mask-image: radial-gradient(130% 130% at 62% 45%, #000 40%, transparent 74%);
  mask-image: radial-gradient(130% 130% at 62% 45%, #000 40%, transparent 74%); }

/* ---- 首页 hero 主视觉 ---- */
.hv-img { border-radius: 26px; overflow: hidden; border: 1px solid rgba(120,200,240,.28); box-shadow: 0 44px 100px rgba(0,0,0,.5); }
.hv-img img { display: block; width: 100%; }
.hero-visual .hv-panel { margin: -120px auto 0; width: 86%; position: relative; z-index: 2; }

/* ---- 卡片顶部配图 ---- */
.card-media { border-radius: 14px; overflow: hidden; margin: -6px 0 20px; aspect-ratio: 16/10; }
.card-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s; }
.card:hover .card-media img { transform: scale(1.06); }

/* ---- 行业卡片配图 ---- */
.industry-card .ic-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; transition: transform .5s; }
.industry-card:hover .ic-img { transform: scale(1.07); }

/* ---- 新闻封面配图 ---- */
.news-cover { overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s; }
.news-card:hover .news-cover img { transform: scale(1.06); }
.news-cover .nc-tag { position: absolute; left: 14px; top: 14px; z-index: 2; font-size: 12px; font-weight: 600; padding: 4px 13px; border-radius: 999px; background: rgba(7,26,46,.55); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); color: #fff; letter-spacing: 2px; }

/* ---- 详情页头图 ---- */
.d-hero { border-radius: var(--radius); overflow: hidden; margin: 28px 0 6px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.d-hero img { width: 100%; display: block; }

/* ---- 图文左右分栏 ---- */
.split { display: grid; grid-template-columns: 1.02fr .98fr; gap: 60px; align-items: center; }
.split .sp-img { position: relative; }
.split .sp-img img { width: 100%; display: block; border-radius: 22px; box-shadow: 0 36px 90px rgba(10,35,66,.30); }
.split .sp-img::after { content: ""; position: absolute; right: -22px; bottom: -22px; width: 62%; height: 62%; border-radius: 26px; background: linear-gradient(135deg, rgba(41,171,226,.16), rgba(27,117,188,.05)); z-index: -1; }
.split.rev .sp-img { order: 2; }

/* ---- 步骤图标 ---- */
.st-ic { width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 15px; background: linear-gradient(150deg, rgba(41,171,226,.15), rgba(27,117,188,.06)); border: 1px solid rgba(41,171,226,.28); display: flex; align-items: center; justify-content: center; color: var(--blue); }
.st-ic svg { width: 26px; height: 26px; }

/* ---- 关于 / 联系 页配图 ---- */
.av-photo { width: 100%; display: block; border-radius: 20px; box-shadow: var(--shadow-hover); }
.about-visual .av-card { margin: -96px 0 0 36px; }
.cic-photo { width: 100%; aspect-ratio: 16/7.5; object-fit: cover; border-radius: 12px; margin-bottom: 24px; display: block; }

/* ---- 数据带 / CTA 背景 ---- */
.stats-band { background: linear-gradient(rgba(27,117,188,.9), rgba(41,171,226,.86)), url("../images/cta-bg.jpg") center/cover no-repeat; }
.cta-band { background: linear-gradient(rgba(6,20,38,.84), rgba(6,20,38,.9)), url("../images/cta-bg.jpg") center/cover no-repeat; }

/* ---- 响应式 ---- */
@media (max-width: 1200px) {
  .page-banner .pb-art { opacity: .55; }
  .hero-visual .hv-panel { margin: -80px auto 0; }
}
@media (max-width: 1080px) {
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split.rev .sp-img { order: 0; }
  .about-visual .av-card { margin: -60px 16px 0; }
  .hv-panel { margin: -60px 14px 0 !important; width: auto !important; }
}
@media (max-width: 720px) {
  .page-banner .pb-art { display: none; }
  .hv-float { right: 8px; }
}
.hero-visual .hv-float { right: -4px; bottom: -30px; z-index: 3; }


/* =========================================================
   新闻详情页模板 v9：简洁正文 + 详细面包屑 + 上下篇
   —— 正文区 .art-body 仅依赖原生 h/p/ul 标签，后台可直接编辑
   ========================================================= */

/* ---- 面包屑条 ---- */
.mbx-bar { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.mbx { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 13px 0; font-size: 13.5px; color: var(--muted); }
.mbx a { color: var(--muted); display: inline-flex; align-items: center; gap: 4px; transition: color .2s; }
.mbx a:hover { color: var(--blue); }
.mbx a.home svg { width: 15px; height: 15px; }
.mbx .sep { color: #B9C6D4; user-select: none; }
.mbx .cur { color: var(--navy); font-weight: 600; max-width: 480px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 720px) { .mbx .cur { max-width: 200px; } }

/* ---- 文章容器（正文宽度与列表页 container 一致） ---- */
.art-page { padding-top: 40px; }
.art-wrap { max-width: var(--container); margin: 0 auto; }
.art-card { position: relative; z-index: 2; margin-top: 0; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 26px 70px rgba(10,35,66,.10); padding: 46px 56px 40px; }
@media (max-width: 720px) { .art-card { padding: 26px 18px 24px; border-radius: 14px; } .art-page { padding-top: 24px; } }

.art-card > h1 { font-size: 31px; line-height: 1.42; letter-spacing: .5px; color: var(--navy); }
.art-info { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; margin: 18px 0 26px; padding-bottom: 20px; border-bottom: 1px dashed var(--line); font-size: 13px; color: var(--muted); }
.art-info .ai-cat { color: #fff; background: var(--grad); padding: 3px 12px; border-radius: 999px; font-size: 12.5px; }
.art-info .ai-item { display: inline-flex; align-items: center; gap: 6px; }
.art-info svg { width: 14px; height: 14px; color: var(--blue); }

/* ---- 正文：只用 h 标签加粗 + 原生标签，后台友好 ---- */
.art-body { font-size: 16px; line-height: 1.95; color: #3F4E62; }
.art-body h2, .art-body h3, .art-body h4, .art-body h5 { color: var(--navy); font-weight: 700; line-height: 1.5; }
.art-body h2 { font-size: 22px; margin: 34px 0 14px; }
.art-body h3 { font-size: 18px; margin: 28px 0 12px; }
.art-body h4 { font-size: 16.5px; margin: 22px 0 10px; }
.art-body h5 { font-size: 15.5px; margin: 18px 0 8px; }
.art-body p { margin: 0 0 16px; }
.art-body strong, .art-body b { color: var(--navy); font-weight: 700; }
.art-body em { color: var(--blue); font-style: normal; }
.art-body a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.art-body ul, .art-body ol { margin: 0 0 16px 24px; }
.art-body li { margin-bottom: 8px; }
.art-body img { display: block; max-width: 100%; height: auto; border-radius: 12px; margin: 22px 0; }
.art-body blockquote { margin: 20px 0; padding: 14px 20px; border-left: 4px solid var(--blue); background: var(--bg-soft); border-radius: 0 10px 10px 0; color: var(--muted); }
.art-body hr { border: 0; border-top: 1px solid var(--line); margin: 30px 0; }
.art-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; }
.art-body th, .art-body td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.art-body th { background: var(--bg-soft); color: var(--navy); }
.art-body > :first-child { margin-top: 0; }
.art-body > :last-child { margin-bottom: 0; }
@media (max-width: 720px) { .art-body { font-size: 15.4px; } .art-body h2 { font-size: 20px; } .art-card > h1 { font-size: 24px; } }

/* ---- 文末声明 ---- */
.art-note { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }

/* ---- 上下篇 + 返回列表 ---- */
.art-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 26px; }
.art-nav a { display: block; padding: 18px 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; transition: all .25s; }
.art-nav a:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-2px); }
.art-nav .an-lb { display: block; font-size: 12.5px; color: var(--blue); margin-bottom: 6px; }
.art-nav .an-ti { display: block; font-size: 15px; font-weight: 600; color: var(--text); line-height: 1.6; }
.art-nav .an-next { text-align: right; }
.art-nav .an-empty { border-style: dashed; background: var(--bg-soft); }
.art-nav .an-empty .an-lb { color: var(--muted); }
.art-nav .an-empty .an-ti { color: var(--muted); font-weight: 500; }
.art-back { display: flex; justify-content: center; align-items: center; gap: 14px; flex-wrap: wrap; width: 100%; margin-top: 30px; }
.btn-outline { border: 1px solid rgba(27,117,188,.45); color: var(--blue); background: #fff; }
.btn-outline:hover { background: rgba(41,171,226,.08); border-color: var(--blue); color: var(--blue); }
@media (max-width: 720px) { .art-nav { grid-template-columns: 1fr; } .art-nav .an-next { text-align: left; } }