/* ==========================================================================
   TZ Battery Film — 动态电池膜站专用样式（基于母版设计变量扩展）
   ========================================================================== */

/* ---------- 语言切换：SSR 双语，JS 切换 <html lang> ---------- */
/* 中文态（zh / zh-CN 等）隐藏英文；英文态（en*）隐藏中文 */
html[lang|="zh"] [data-en] { display: none !important; }
html[lang|="en"] [data-zh] { display: none !important; }

/* ---------- 顶栏 ---------- */
.tz-header { position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.tz-header__in { max-width: var(--shell); margin: 0 auto; padding: 0 var(--gut); height: 70px; display: flex; align-items: center; gap: 28px; }
.tz-logo { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.tz-logo__mark { width: 42px; height: 42px; border-radius: 11px; background: var(--brand-grad); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 15px; letter-spacing: .02em; box-shadow: var(--shadow-sm); }
.tz-logo__name { font-weight: 800; font-size: 16.5px; line-height: 1.15; letter-spacing: -.01em; }
.tz-logo__sub { font-size: 11.5px; color: var(--muted); }
.tz-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.tz-nav a { padding: 9px 13px; border-radius: var(--r-sm); font-size: 14.5px; font-weight: 600; color: var(--ink-3); text-decoration: none; transition: color .15s, background .15s; white-space: nowrap; }
.tz-nav a:hover { color: var(--brand); background: var(--brand-soft); }
.tz-nav a.is-active { color: var(--brand); }
.tz-head-tools { display: flex; align-items: center; gap: 12px; }
.tz-lang { display: inline-flex; border: 1px solid var(--line); border-radius: var(--r-pill); overflow: hidden; }
.tz-lang button { border: 0; background: #fff; padding: 6px 12px; font-size: 13px; font-weight: 700; color: var(--muted); cursor: pointer; }
.tz-lang button.is-active { background: var(--ink); color: #fff; }
.tz-burger { display: none; border: 1px solid var(--line); background: #fff; border-radius: var(--r-sm); width: 40px; height: 38px; font-size: 18px; cursor: pointer; }

/* ---------- 区块骨架 ---------- */
.tz-sec { padding: var(--sec-y) 0; }
.tz-sec--soft { background: var(--bg-soft); }
.tz-sec--dark { background: var(--dark-grad); color: #fff; }
.tz-shell { max-width: var(--shell); margin: 0 auto; padding: 0 var(--gut); }
.tz-eyebrow { display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--brand); margin-bottom: 12px; }
.tz-eyebrow--light { color: #ffb08a; }
.tz-h1 { font-size: clamp(30px, 4.6vw, 52px); line-height: 1.12; letter-spacing: -.02em; font-weight: 800; margin: 0 0 18px; color: var(--ink); }
.tz-h2 { font-size: clamp(24px, 3vw, 36px); line-height: 1.2; letter-spacing: -.015em; font-weight: 800; margin: 0 0 14px; color: var(--ink); }
.tz-sec--dark .tz-h1, .tz-sec--dark .tz-h2 { color: #fff; }
.tz-lead { font-size: 17.5px; line-height: 1.75; color: var(--ink-4); margin: 0; max-width: 760px; }
.tz-sec--dark .tz-lead { color: rgba(255,255,255,.78); }
.tz-center { text-align: center; }
.tz-center .tz-lead { margin-left: auto; margin-right: auto; }
.tz-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; flex-wrap: wrap; }
.tz-head-row .tz-lead { max-width: 640px; }

/* ---------- 按钮 ---------- */
.tz-btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 26px; border-radius: var(--r-pill); font-weight: 700; font-size: 15px; text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: transform .15s var(--ease), box-shadow .15s, background .15s; }
.tz-btn--primary { background: var(--brand-grad); color: #fff; box-shadow: 0 8px 22px rgba(234,76,0,.28); }
.tz-btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(234,76,0,.36); color: #fff; }
.tz-btn--ghost { border-color: rgba(255,255,255,.55); color: #fff; background: rgba(255,255,255,.06); }
.tz-btn--ghost:hover { background: rgba(255,255,255,.16); color: #fff; }
.tz-btn--line { border-color: var(--line); color: var(--ink); background: #fff; }
.tz-btn--line:hover { border-color: var(--brand); color: var(--brand); }
.tz-btn--lg { padding: 16px 34px; font-size: 16px; }

/* ---------- Hero ---------- */
.tz-hero { position: relative; overflow: hidden; background: var(--dark-grad); color: #fff; }
.tz-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(720px 380px at 82% -10%, rgba(255,88,13,.42), transparent 60%), radial-gradient(520px 320px at 8% 110%, rgba(255,88,13,.22), transparent 60%); }
.tz-hero__in { position: relative; max-width: var(--shell); margin: 0 auto; padding: 96px var(--gut) 88px; display: grid; grid-template-columns: 1.12fr .88fr; gap: 56px; align-items: center; }
.tz-hero h1 { color: #fff; font-size: clamp(32px, 4.8vw, 56px); line-height: 1.1; letter-spacing: -.02em; font-weight: 800; margin: 14px 0 20px; }
.tz-hero p.sub { color: rgba(255,255,255,.8); font-size: 18px; line-height: 1.75; margin: 0 0 30px; max-width: 600px; }
.tz-hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.tz-trust { display: flex; gap: 26px; margin-top: 38px; flex-wrap: wrap; }
.tz-trust span { font-size: 13.5px; font-weight: 600; color: rgba(255,255,255,.85); display: inline-flex; align-items: center; gap: 8px; }
.tz-trust i { color: #ff8a4c; font-style: normal; }
.tz-hero__art { border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.12); aspect-ratio: 4/3.1; }

/* ---------- 图片与占位 ---------- */
.tz-img, .tz-ph { width: 100%; height: 100%; object-fit: cover; display: block; }
.tz-ph { display: grid; place-items: center; text-align: center; padding: 22px; background: linear-gradient(135deg,#2b333c,#3d4650); color: #b9c2cc; font-size: 12.5px; line-height: 1.6; letter-spacing: .03em; }
.tz-ph b { display: block; color: #e7edf2; font-size: 14px; margin-bottom: 4px; letter-spacing: .02em; }
.tz-ph--light { background: linear-gradient(135deg,#eef0f2,#e2e6ea); color: #8a949e; }
.tz-ph--light b { color: #5c6670; }
.tz-ph--orange { background: linear-gradient(135deg,#ff7a33,#ea4900); color: rgba(255,255,255,.92); }
.tz-ph--orange b { color: #fff; }
.tz-media { border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-md); background: #e9ecef; }
.tz-media--43 { aspect-ratio: 4/3; }
.tz-media--169 { aspect-ratio: 16/9; }
.tz-media--219 { aspect-ratio: 21/9; }
.tz-media--32 { aspect-ratio: 3/2; }

/* ---------- 卡片网格 ---------- */
.tz-grid { display: grid; gap: 22px; }
.tz-g3 { grid-template-columns: repeat(3, 1fr); }
.tz-g4 { grid-template-columns: repeat(4, 1fr); }
.tz-g2 { grid-template-columns: repeat(2, 1fr); }
.tz-card { background: #fff; border: 1px solid var(--line-2); border-radius: var(--r-lg); padding: 28px 26px; display: flex; flex-direction: column; gap: 12px; text-decoration: none; color: inherit; transition: box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s; }
a.tz-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: #ffd2bb; }
.tz-card .ico { width: 52px; height: 52px; border-radius: 13px; background: var(--brand-soft); display: grid; place-items: center; font-size: 25px; }
.tz-card h3 { margin: 2px 0 0; font-size: 19px; font-weight: 800; color: var(--ink); letter-spacing: -.01em; }
.tz-card p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.7; }
.tz-card .more { margin-top: auto; padding-top: 8px; font-size: 14px; font-weight: 700; color: var(--brand); }
.tz-card__media { aspect-ratio: 16/10; border-radius: var(--r-md); overflow: hidden; margin: -4px -4px 6px; }

/* 应用场卡 */
.tz-app { background: #fff; border: 1px solid var(--line-2); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s var(--ease), transform .2s var(--ease); }
.tz-app:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.tz-app__media { aspect-ratio: 16/9; }
.tz-app__body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.tz-app__body h3 { margin: 0; font-size: 16.5px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.tz-app__body p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.65; }
.tz-app__form { margin-top: auto; padding-top: 8px; font-size: 12.5px; font-weight: 700; color: var(--brand-dark); }

/* ---------- 首页 why ---------- */
.tz-why .ico { background: #fff; box-shadow: var(--shadow-xs); }
.tz-why h3 { font-size: 17px; }

/* ---------- 规格表 ---------- */
.tz-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; box-shadow: var(--shadow-xs); }
table.tz-table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 560px; }
.tz-table th, .tz-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line-2); vertical-align: top; line-height: 1.6; }
.tz-table thead th { background: var(--ink); color: #fff; font-weight: 700; font-size: 13.5px; letter-spacing: .02em; }
.tz-table tbody tr:nth-child(even) { background: var(--bg-soft); }
.tz-table tbody tr:hover { background: var(--brand-soft); }
.tz-table th.tz-dim { width: 210px; font-weight: 700; color: var(--ink-2); background: #fbf3ef; }
.tz-table .hl { color: var(--brand-dark); font-weight: 700; }
.tz-conclusion { margin-top: 22px; padding: 22px 26px; border-left: 4px solid var(--brand); background: var(--brand-soft); border-radius: 0 var(--r-md) var(--r-md) 0; font-size: 15px; line-height: 1.8; color: var(--ink-3); }

/* ---------- 产品详情 ---------- */
.tz-pd { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.tz-pd__media { position: sticky; top: 92px; aspect-ratio: 1/1; }
.tz-crumbs { font-size: 13px; margin-bottom: 18px; color: var(--muted); }
.tz-crumbs a { color: var(--muted); text-decoration: none; }
.tz-crumbs a:hover { color: var(--brand); }
.tz-pd h1 { font-size: clamp(26px,3.2vw,40px); font-weight: 800; letter-spacing: -.02em; margin: 4px 0 10px; color: var(--ink); }
.tz-def { font-size: 16px; line-height: 1.85; color: var(--ink-4); margin: 0 0 26px; padding: 20px 22px; background: var(--bg-soft); border-radius: var(--r-md); border-left: 3px solid var(--brand); }
.tz-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.tz-list li { position: relative; padding-left: 30px; font-size: 14.5px; line-height: 1.7; color: var(--ink-3); }
.tz-list li::before { content: '✓'; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--brand); color: #fff; font-size: 12px; font-weight: 800; display: grid; place-items: center; }
.tz-list--num { counter-reset: tzn; }
.tz-list--num li { padding-left: 38px; }
.tz-list--num li::before { content: counter(tzn); counter-increment: tzn; background: var(--ink); width: 23px; height: 23px; }
.tz-sub { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 800; margin: 0 0 20px; color: var(--ink); letter-spacing: -.01em; }
.tz-sub::before { content: ''; width: 5px; height: 22px; border-radius: 3px; background: var(--brand-grad); }
.tz-pd__blocks { display: grid; gap: 56px; margin-top: 64px; }
.tz-meta-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.tz-meta { border: 1px solid var(--line-2); border-radius: var(--r-md); padding: 18px 20px; background: #fff; }
.tz-meta b { display: block; font-size: 12.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 7px; font-weight: 800; }
.tz-meta span { font-size: 14.5px; line-height: 1.6; color: var(--ink-2); }

/* ---------- 场景详情 ---------- */
.tz-sc-hero { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; }
.tz-sc-hero .tz-media { aspect-ratio: 4/3; }
.tz-kv { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.tz-kv .tz-card { padding: 24px; }
.tz-kv h3 { font-size: 16px; }
.tz-quote-copy { background: var(--ink); color: #fff; border-radius: var(--r-lg); padding: 34px 38px; font-size: 19px; line-height: 1.8; font-weight: 600; position: relative; }
.tz-quote-copy::before { content: '“'; position: absolute; top: -6px; left: 18px; font-size: 72px; color: var(--brand); font-family: Georgia, serif; line-height: 1; }
.tz-quote-copy p { margin: 0; padding-left: 30px; }

/* ---------- 选型指南 ---------- */
.tz-guide { display: grid; gap: 16px; counter-reset: tzg; }
.tz-guide-item { position: relative; background: #fff; border: 1px solid var(--line-2); border-radius: var(--r-lg); padding: 28px 32px 28px 96px; counter-increment: tzg; transition: box-shadow .2s var(--ease), border-color .2s; }
.tz-guide-item:hover { box-shadow: var(--shadow-sm); border-color: #ffd2bb; }
.tz-guide-item::before { content: counter(tzg); position: absolute; left: 28px; top: 28px; width: 48px; height: 48px; border-radius: 14px; background: var(--brand-grad); color: #fff; font-size: 21px; font-weight: 800; display: grid; place-items: center; box-shadow: 0 6px 16px rgba(234,76,0,.25); }
.tz-guide-item h3 { margin: 2px 0 8px; font-size: 18px; }
.tz-guide-item p { margin: 0; color: var(--ink-4); line-height: 1.8; font-size: 15px; }

/* ---------- 备注 / 提示 ---------- */
.tz-notes { display: grid; gap: 14px; }
.tz-note { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; background: #fff; border: 1px solid var(--line-2); border-radius: var(--r-md); padding: 18px 22px; }
.tz-note .ni { width: 40px; height: 40px; border-radius: 11px; background: var(--brand-soft); display: grid; place-items: center; font-size: 19px; }
.tz-note p { margin: 0; font-size: 14.5px; line-height: 1.75; color: var(--ink-3); }
.tz-note--warn { background: #fff7ed; border-color: #fed7aa; }
.tz-note--warn .ni { background: #ffedd5; }

/* ---------- 表单 ---------- */
.tz-form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl); padding: 40px; box-shadow: var(--shadow-sm); }
.tz-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.tz-field { display: flex; flex-direction: column; gap: 7px; }
.tz-field.full { grid-column: 1 / -1; }
.tz-field label { font-size: 13.5px; font-weight: 700; color: var(--ink-2); }
.tz-field input, .tz-field select, .tz-field textarea { border: 1.5px solid var(--line); border-radius: var(--r-sm); padding: 12px 14px; font-size: 15px; font-family: inherit; color: var(--ink); background: #fff; transition: border-color .15s; width: 100%; }
.tz-field input:focus, .tz-field select:focus, .tz-field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(234,76,0,.12); }
.tz-form-ok { display: none; text-align: center; padding: 48px 20px; }
.tz-form-ok .big { font-size: 46px; }
.tz-form-ok h3 { font-size: 24px; margin: 12px 0 8px; }

/* ---------- CTA 条 ---------- */
.tz-cta-band { background: var(--brand-grad); border-radius: var(--r-xl); padding: 52px 56px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #fff; flex-wrap: wrap; box-shadow: 0 18px 44px rgba(234,76,0,.28); }
.tz-cta-band h2 { color: #fff; margin: 0 0 8px; font-size: clamp(22px,2.6vw,30px); }
.tz-cta-band p { margin: 0; color: rgba(255,255,255,.88); font-size: 15.5px; }
.tz-cta-band .tz-btn { background: #fff; color: var(--brand-dark); }
.tz-cta-band .tz-btn:hover { background: var(--ink); color: #fff; }

/* ---------- 页脚 ---------- */
.tz-footer { background: #101010; color: #bdbdbd; padding: 64px 0 0; margin-top: 0; }
.tz-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 36px; padding-bottom: 44px; }
.tz-footer h4 { color: #fff; font-size: 13.5px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 16px; }
.tz-footer a, .tz-footer span.li { display: block; color: #9d9d9d; text-decoration: none; font-size: 14px; padding: 5px 0; }
.tz-footer a:hover { color: #ff8a4c; }
.tz-footer__about { font-size: 14px; line-height: 1.8; margin: 14px 0 0; color: #9d9d9d; }
.tz-footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: #777; }
.tz-footer-admin { color: #888; font-size: 12px; opacity: .55; transition: opacity .2s, color .2s; margin-left: auto; }
.tz-footer-admin:hover { opacity: 1; color: var(--brand); }

/* ---------- 面包屑/页面 hero ---------- */
.tz-pagehero { background: var(--dark-grad); color: #fff; padding: 74px 0 64px; position: relative; overflow: hidden; }
.tz-pagehero::after { content: ''; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(255,88,13,.35), transparent 65%); }
.tz-pagehero .tz-shell { position: relative; }
.tz-pagehero h1 { color: #fff; }

/* ---------- 分页/其他导航 ---------- */
.tz-pager-products { display: grid; gap: 14px; }
.tz-prod-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 22px; }
.tz-mini-stat { display: flex; gap: 14px; align-items: flex-start; }
.tz-mini-stat b { font-size: 30px; font-weight: 800; color: var(--brand); line-height: 1; }
.tz-mini-stat span { font-size: 13.5px; color: var(--muted); line-height: 1.5; }

/* ---------- 移动端抽屉 ---------- */
.tz-drawer-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 70; }
.tz-drawer { position: fixed; top: 0; right: -320px; width: 300px; max-width: 84vw; height: 100%; background: #fff; z-index: 80; padding: 22px; display: flex; flex-direction: column; gap: 6px; transition: right .25s var(--ease); box-shadow: var(--shadow-lg); }
.tz-drawer.open { right: 0; }
.tz-drawer-mask.open { display: block; }
.tz-drawer a { padding: 13px 14px; border-radius: var(--r-sm); font-weight: 600; color: var(--ink-2); text-decoration: none; }
.tz-drawer a.is-active, .tz-drawer a:hover { background: var(--brand-soft); color: var(--brand); }
.tz-drawer__close { align-self: flex-end; border: 0; background: var(--bg-soft); width: 36px; height: 36px; border-radius: 50%; font-size: 16px; cursor: pointer; }

/* ---------- 跑马灯（照搬母版 marquee） ---------- */
.tz-marquee { overflow: hidden; position: relative; }
.tz-marquee::before, .tz-marquee::after { content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none; }
.tz-marquee::before { left: 0; background: linear-gradient(90deg, var(--bg-soft), transparent); }
.tz-marquee::after { right: 0; background: linear-gradient(270deg, var(--bg-soft), transparent); }
.tz-marquee--dark::before { background: linear-gradient(90deg, #232a31, transparent); }
.tz-marquee--dark::after { background: linear-gradient(270deg, #232a31, transparent); }
.tz-marquee__track { display: flex; gap: 16px; width: max-content; animation: tz-slide 48s linear infinite; padding: 4px 0; }
.tz-marquee--slow .tz-marquee__track { animation-duration: 64s; }
.tz-marquee:hover .tz-marquee__track { animation-play-state: paused; }
@keyframes tz-slide { to { transform: translateX(-50%); } }
.tz-logo-card {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  min-width: 200px; height: 88px; padding: 0 26px;
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--r-md); flex: none;
}
.tz-logo-card img { max-height: 50px; max-width: 158px; width: auto; object-fit: contain; }
.tz-logo-card span { font-size: 14px; font-weight: 700; color: var(--muted); white-space: nowrap; }
.tz-cert-card {
  display: flex; align-items: center; gap: 13px; flex: none;
  min-width: 250px; padding: 15px 20px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: var(--r-md);
}
.tz-cert-card img { height: 52px; width: 52px; object-fit: contain; background: #fff; border-radius: 10px; padding: 6px; flex: none; }
.tz-cert-card .noimg { width: 52px; height: 52px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: rgba(255,88,13,.16); border: 1px solid rgba(255,88,13,.34); color: #ff9a6b; font-weight: 800; font-size: 13px; }
.tz-cert-card b { display: block; font-size: 14px; color: #fff; }
.tz-cert-card span { font-size: 12px; color: rgba(255,255,255,.55); }

/* ---------- 公司大屏展示 ---------- */
.tz-showcase { position: relative; color: #fff; background: var(--dark-grad); overflow: hidden; }
.tz-showcase::before { content:''; position:absolute; inset:0; background: radial-gradient(800px 420px at 88% -20%, rgba(255,88,13,.35), transparent 60%), radial-gradient(600px 400px at -5% 110%, rgba(255,88,13,.15), transparent 60%); }
.tz-showcase__in { position: relative; max-width: var(--shell); margin: 0 auto; padding: 84px var(--gut); display: grid; grid-template-columns: .95fr 1.05fr; gap: 52px; align-items: center; }
.tz-showcase h2 { color:#fff; font-size: clamp(26px,3.4vw,42px); font-weight:800; letter-spacing:-.02em; line-height:1.15; margin:10px 0 16px }
.tz-showcase p { color: rgba(255,255,255,.78); font-size:16.5px; line-height:1.8; margin:0 0 30px }
.tz-stats { display:grid; grid-template-columns: repeat(2,1fr); gap:14px; }
.tz-stat { background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius:var(--r-md); padding:20px 22px; }
.tz-stat b { display:block; font-size:32px; font-weight:800; color:#ff8a4c; line-height:1.05; letter-spacing:-.02em }
.tz-stat span { font-size:13px; color:rgba(255,255,255,.72); }
.tz-showcase__media { border-radius: var(--r-xl); overflow:hidden; box-shadow: var(--shadow-lg); border:1px solid rgba(255,255,255,.12); aspect-ratio: 4/3; }

/* ---------- 实力 3 排图文 ---------- */
.tz-strength { display: grid; gap: 64px; }
.tz-str-row { display:grid; grid-template-columns: 1fr 1fr; gap:52px; align-items:center; }
.tz-str-row--left .tz-str-row__media { order: 2; }
.tz-str-tag { display:inline-block; font-size:12.5px; font-weight:800; letter-spacing:.12em; text-transform:uppercase; color:var(--brand); background:var(--brand-soft); padding:5px 13px; border-radius:var(--r-pill); margin-bottom:14px; }
.tz-str-row h3 { font-size: clamp(22px,2.6vw,30px); font-weight:800; letter-spacing:-.015em; margin:0 0 14px; color:var(--ink); line-height:1.25; }
.tz-str-row > div > p { color:var(--ink-4); font-size:15.5px; line-height:1.85; margin:0 0 20px; }
.tz-str-row .tz-list { margin-top: 4px; }
.tz-str-row__media { border-radius: var(--r-lg); overflow:hidden; box-shadow: var(--shadow-md); aspect-ratio: 4/3; }
.tz-str-row__num { font-size:15px; font-weight:800; color:var(--brand); margin-bottom:6px; display:flex; align-items:center; gap:10px }
.tz-str-row__num::after { content:''; flex:1; height:1px; background:var(--line); max-width:60px }

/* ---------- 通用区块头 ---------- */
.tz-sec-head { display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap; margin-bottom:34px; }
.tz-link-more { white-space:nowrap; font-size:15px; font-weight:800; color:var(--brand-dark); }
.tz-link-more:hover { color:var(--brand); }

/* ---------- 文章详情 ---------- */
.tz-art-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 48px 0 40px; }
.tz-art-title { font-size: clamp(28px,3.8vw,44px); line-height:1.18; letter-spacing:-.02em; font-weight:800; color:var(--ink); margin:10px 0 14px; }
.tz-art-sub { font-size:17px; line-height:1.75; color:var(--ink-4); margin:0 0 20px; }
.tz-art-meta { display:flex; gap:20px; flex-wrap:wrap; font-size:13.5px; color:var(--muted); font-weight:600; }
.tz-art-body { max-width: 100%; }
.tz-art-h2 { font-size:26px; font-weight:800; letter-spacing:-.01em; color:var(--ink); margin:38px 0 14px; padding-top:8px; }
.tz-art-h3 { font-size:19px; font-weight:800; color:var(--ink-2); margin:28px 0 10px; }
.tz-art-p { font-size:16px; line-height:1.9; color:var(--ink-3); margin:0 0 18px; }
.tz-art-body .tz-list { margin:6px 0 22px; }
.tz-art-body .tz-list li { font-size:15.5px; line-height:1.75; }
.tz-art-quote { margin:26px 0; padding:24px 30px; background:var(--brand-soft); border-left:4px solid var(--brand); border-radius:0 var(--r-md) var(--r-md) 0; }
.tz-art-quote p { margin:0; font-size:17px; font-weight:600; color:var(--ink-2); line-height:1.8; font-style:italic; }
.tz-art-tags { display:flex; gap:8px; flex-wrap:wrap; margin:34px 0 10px; padding-top:22px; border-top:1px solid var(--line); }
.tz-art-tag { font-size:12.5px; font-weight:700; color:var(--brand-dark); background:var(--brand-soft); border-radius:var(--r-pill); padding:5px 13px; }
.tz-faqs { display:grid; gap:12px; }
.tz-faq { background:#fff; border:1px solid var(--line-2); border-radius:var(--r-md); padding:0 22px; }
.tz-faq[open] { box-shadow:var(--shadow-xs); border-color:#ffd2bb; }
.tz-faq summary { cursor:pointer; font-weight:700; font-size:16px; color:var(--ink); padding:18px 0; list-style:none; position:relative; padding-right:30px; }
.tz-faq summary::-webkit-details-marker { display:none; }
.tz-faq summary::after { content:'+'; position:absolute; right:0; top:14px; font-size:22px; color:var(--brand); font-weight:400; }
.tz-faq[open] summary::after { content:'–'; }
.tz-faq p { margin:0 0 20px; color:var(--ink-4); line-height:1.8; font-size:15px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .tz-nav, .tz-head-tools .tz-lang { display: none; }
  .tz-burger { display: grid; place-items: center; }
  .tz-hero__in { grid-template-columns: 1fr; gap: 40px; padding: 64px var(--gut) 60px; }
  .tz-g4 { grid-template-columns: repeat(2,1fr); }
  .tz-g3, .tz-prod-row { grid-template-columns: repeat(2,1fr); }
  .tz-pd, .tz-sc-hero { grid-template-columns: 1fr; gap: 30px; }
  .tz-pd__media { position: static; }
  .tz-footer__grid { grid-template-columns: 1fr 1fr; }
  .tz-kv, .tz-meta-grid { grid-template-columns: 1fr; }
  .tz-showcase__in, .tz-str-row { grid-template-columns: 1fr; gap: 30px; }
  .tz-str-row--left .tz-str-row__media { order: 0; }
}
@media (max-width: 640px) {
  .tz-g2, .tz-g3, .tz-g4, .tz-prod-row, .tz-form-grid { grid-template-columns: 1fr; }
  .tz-footer__grid { grid-template-columns: 1fr; }
  .tz-form-card { padding: 26px 20px; }
  .tz-cta-band { padding: 36px 28px; }
  .tz-header__in { gap: 12px; }
  .tz-guide-item { grid-template-columns: 1fr; }
}