/* ============================================================
   星火AI 官网 V2.0 · 子页面与组件样式
   继承 css/v2.css 的设计变量与基础组件（导航/按钮/区块/页脚）
   本文件只补充：成果中心 / 能力实验室 / 增长系统 / 产品页 /
                 AI机会测试 / 表单 / 时间轴 / 详情页
   ============================================================ */

/* ---------------- 页面头部（子页面通用） ---------------- */
.page-hero {
  position: relative; overflow: hidden;
  padding: 158px 0 74px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(680px 380px at 84% 0%, rgba(255, 90, 45, 0.06), transparent 62%);
  pointer-events: none;
}
.page-hero.dark {
  background: var(--navy-900); color: #fff; border-bottom: none;
}
.page-hero.dark::before {
  background: radial-gradient(680px 380px at 84% 0%, rgba(255, 90, 45, 0.18), transparent 62%);
}
.page-hero .container { position: relative; }
.crumb {
  display: flex; align-items: center; gap: 9px;
  font-size: 12.5px; color: var(--ink-3); margin-bottom: 24px;
}
.page-hero.dark .crumb { color: rgba(255, 255, 255, 0.5); }
.crumb a:hover { color: var(--accent); }
.crumb i { font-style: normal; opacity: 0.5; }
.page-hero h1 {
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.2; font-weight: 800; letter-spacing: -1px;
  max-width: 900px;
}
.page-hero .ph-sub {
  margin-top: 24px; font-size: 17px; line-height: 1.85;
  color: var(--ink-3); max-width: 700px;
}
.page-hero.dark .ph-sub { color: rgba(255, 255, 255, 0.62); }
.page-hero .ph-actions { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------------- 通用布局助手 ---------------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; padding: 34px 30px;
  transition: all 0.32s var(--ease);
}
.card.hoverable:hover { border-color: var(--navy-900); transform: translateY(-4px); }
.card .no {
  font-size: 12px; font-weight: 800; letter-spacing: 2px; color: var(--accent);
  padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 20px;
}
.card h3 { font-size: 19px; font-weight: 800; letter-spacing: -0.2px; line-height: 1.45; }
.card p { margin-top: 13px; font-size: 15px; color: var(--ink-2); line-height: 1.78; }
.card ul.plain { margin-top: 16px; }
.card ul.plain li {
  font-size: 14px; color: var(--ink-3); padding: 7px 0 7px 18px; position: relative;
}
.card ul.plain li::before {
  content: ""; position: absolute; left: 0; top: 15px;
  width: 6px; height: 1.5px; background: var(--accent);
}

/* ---------------- 01 成果中心 ---------------- */
.works-toolbar {
  position: sticky; top: 64px; z-index: 90;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
.wt-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.wt-search {
  flex: 1; min-width: 220px; position: relative;
}
.wt-search svg {
  position: absolute; left: 15px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; stroke: var(--ink-3);
}
.wt-search input {
  width: 100%; height: 46px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg-warm);
  padding: 0 18px 0 42px; font-size: 14.5px; font-family: inherit;
  color: var(--ink); outline: none; transition: all 0.24s var(--ease);
}
.wt-search input:focus { border-color: var(--navy-900); background: #fff; }
.wt-search input::placeholder { color: var(--ink-3); }
.wt-sort {
  height: 46px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; padding: 0 38px 0 18px; font-size: 14px;
  font-family: inherit; color: var(--ink-2); font-weight: 600;
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4.5 6 8.5 10 4.5' fill='none' stroke='%236b7488' stroke-width='1.6' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat; background-position: right 16px center;
}
.wt-count { font-size: 13px; color: var(--ink-3); white-space: nowrap; }

.chips.works-chips { margin: 0; }
.chips.works-chips .chip { padding: 8px 16px; font-size: 13px; }
.chips.works-chips .chip .n { opacity: 0.5; margin-left: 6px; font-size: 11.5px; }

/* 精选条 */
.feature-strip { padding: 56px 0 8px; }
.fs-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 26px; }
.fs-head h2 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; letter-spacing: -0.4px; }
.fs-head p { margin-top: 10px; font-size: 14.5px; color: var(--ink-3); }
.fs-head .sec-label { margin-bottom: 14px; }

.feature-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 22px; }
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr; } }

/* 作品网格 */
.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 980px) { .works-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .works-grid { grid-template-columns: 1fr; } }

.work-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: #fff; position: relative;
  transition: transform 0.34s var(--ease), box-shadow 0.34s var(--ease), border-color 0.34s var(--ease);
  display: flex; flex-direction: column;
}
.work-card:hover {
  transform: translateY(-4px); border-color: rgba(10, 22, 40, 0.22);
  box-shadow: 0 26px 46px -30px rgba(10, 22, 40, 0.4);
}
.wc-media {
  position: relative; background: var(--navy-900); overflow: hidden;
  aspect-ratio: 4 / 3; display: block;
}
.wc-media img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 42%; display: block;
  transition: transform 0.6s var(--ease), opacity 0.4s var(--ease);
}
.work-card:hover .wc-media img { transform: scale(1.045); }
.wc-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,17,32,0.06) 0%, rgba(7,17,32,0.0) 42%, rgba(7,17,32,0.55) 100%);
}
.wc-play {
  position: absolute; left: 50%; top: 50%; z-index: 3;
  width: 54px; height: 54px; margin: -27px 0 0 -27px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s var(--ease);
}
.wc-play svg { width: 16px; height: 16px; margin-left: 2px; }
.work-card:hover .wc-play { background: var(--accent); border-color: var(--accent); transform: scale(1.07); }

.wc-top {
  position: absolute; top: 14px; left: 14px; right: 14px; z-index: 3;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.wc-badge {
  font-size: 11px; font-weight: 700; letter-spacing: 1.1px;
  color: #fff; background: rgba(7, 17, 32, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px; padding: 5px 10px;
  backdrop-filter: blur(6px);
}
.wc-badge.featured { background: var(--accent); border-color: var(--accent); }
.wc-dur {
  font-size: 11.5px; font-weight: 700; color: #fff;
  background: rgba(7, 17, 32, 0.6); border-radius: 6px; padding: 4px 8px;
  font-variant-numeric: tabular-nums;
}
.wc-bottom {
  position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 3;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.wc-bottom .tagchip {
  font-size: 11px; color: rgba(255, 255, 255, 0.86); font-weight: 600;
}

.wc-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.wc-cat { font-size: 11.5px; font-weight: 700; letter-spacing: 1.4px; color: var(--accent); }
.wc-body h3 { font-size: 17.5px; font-weight: 700; margin-top: 10px; letter-spacing: -0.2px; line-height: 1.45; }
.wc-body .desc { margin-top: 9px; font-size: 14px; color: var(--ink-3); line-height: 1.7; flex: 1; }
.wc-foot {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.wc-date { font-size: 12.5px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.wc-go {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 700; color: var(--ink);
  transition: all 0.26s var(--ease);
}
.work-card:hover .wc-go { color: var(--accent); gap: 11px; }

/* 空状态 */
.empty-state {
  border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 70px 30px; text-align: center; background: var(--bg-warm);
}
.empty-state h3 { font-size: 18px; font-weight: 700; }
.empty-state p { margin-top: 10px; font-size: 14.5px; color: var(--ink-3); }

/* 资料中心卡片 */
.doc-card .wc-media { aspect-ratio: 4 / 3; background: var(--navy-800); }
.doc-card .wc-media .doc-mark {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px; z-index: 2;
  color: rgba(255, 255, 255, 0.9);
}
.doc-mark .ext {
  font-size: 12px; font-weight: 800; letter-spacing: 2px;
  border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 6px; padding: 5px 10px;
}
.doc-mark .ln { width: 44px; height: 1px; background: rgba(255, 255, 255, 0.22); }

/* ---------------- 02 详情页 ---------------- */
.detail-head { padding: 150px 0 48px; }
.detail-head h1 {
  font-size: clamp(26px, 3.4vw, 42px); font-weight: 800;
  letter-spacing: -0.8px; line-height: 1.24; max-width: 900px;
}
.detail-head .dh-meta {
  margin-top: 22px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  font-size: 13px; color: var(--ink-3);
}
.detail-head .dh-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-3); }
.detail-head .lead { margin-top: 22px; font-size: 17px; line-height: 1.85; color: var(--ink-2); max-width: 760px; }

.player-frame {
  position: relative; background: var(--navy-950);
  border-radius: 20px; overflow: hidden;
  box-shadow: 0 36px 70px -40px rgba(10, 22, 40, 0.6);
}
.player-frame video { width: 100%; display: block; max-height: 78vh; background: #000; }
.player-frame.portrait { max-width: 420px; margin: 0 auto; }
.player-frame.portrait video { aspect-ratio: 9 / 16; object-fit: contain; }
.player-frame.landscape video { aspect-ratio: 16 / 9; object-fit: contain; }

.detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: start; }
@media (max-width: 980px) { .detail-grid { grid-template-columns: 1fr; gap: 40px; } }

.detail-sec { margin-bottom: 46px; }
.detail-sec h2 {
  font-size: 20px; font-weight: 800; letter-spacing: -0.2px;
  padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 22px;
}
.detail-sec p { font-size: 15.5px; line-height: 1.9; color: var(--ink-2); }
.detail-sec p + p { margin-top: 16px; }
.detail-sec ul.facts { display: grid; gap: 14px; }
.detail-sec ul.facts li {
  display: grid; grid-template-columns: 108px 1fr; gap: 18px;
  font-size: 15px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.detail-sec ul.facts b { font-weight: 600; color: var(--ink-3); font-size: 14px; }

.side-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-warm); padding: 28px 26px; position: sticky; top: 96px;
}
.side-card h4 { font-size: 15px; font-weight: 800; margin-bottom: 18px; }
.side-card ul li { font-size: 13.5px; color: var(--ink-2); padding: 9px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; }
.side-card ul li:last-child { border-bottom: none; }
.side-card ul li span { color: var(--ink-3); }
.side-card .btn { margin-top: 22px; width: 100%; }

.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .rel-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .rel-grid { grid-template-columns: 1fr; } }

/* ---------------- 03 AI能力实验室 ---------------- */
.lab-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 30px; }
.lab-tab {
  padding: 11px 22px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; font-size: 14px; font-weight: 600; color: var(--ink-2);
  transition: all 0.24s var(--ease); font-family: inherit;
}
.lab-tab:hover { border-color: var(--ink-3); }
.lab-tab.active { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }

.lab-panel { display: none; }
.lab-panel.active { display: block; }

.lab-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1.3fr; gap: 0; align-items: stretch; }
@media (max-width: 980px) { .lab-flow { grid-template-columns: 1fr; gap: 14px; } }

.lab-step {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; padding: 26px 24px; display: flex; flex-direction: column;
}
.lab-step .ls-no {
  font-size: 11px; font-weight: 800; letter-spacing: 2px; color: var(--accent); margin-bottom: 14px;
}
.lab-step h4 { font-size: 16px; font-weight: 800; }
.lab-step p { margin-top: 11px; font-size: 14px; color: var(--ink-3); line-height: 1.75; }
.lab-step.out { background: var(--navy-900); border-color: var(--navy-900); }
.lab-step.out h4 { color: #fff; }
.lab-step.out p { color: rgba(255, 255, 255, 0.6); }
.lab-arrow {
  display: flex; align-items: center; justify-content: center;
  width: 46px; color: var(--ink-3);
}
.lab-arrow svg { width: 18px; height: 18px; }
@media (max-width: 980px) { .lab-arrow { width: auto; height: 30px; transform: rotate(90deg); } }

.lab-demo { margin-top: 26px; }
.lab-demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .lab-demo-grid { grid-template-columns: 1fr; } }

/* ---------------- 04 增长系统（可点击节点） ---------------- */
.sys-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: center; }
@media (max-width: 1024px) { .sys-wrap { grid-template-columns: 1fr; gap: 34px; } }
.sys-map { position: relative; }
.sys-node-hit { cursor: pointer; }
.sys-node-hit circle.dot { transition: all 0.26s var(--ease); }
.sys-node-hit:hover circle.dot, .sys-node-hit.on circle.dot { r: 8; }
.sys-node-hit text { transition: all 0.26s var(--ease); }
.sys-node-hit:hover text, .sys-node-hit.on text { fill: #FF5A2D; }

.sys-panel {
  border: 1px solid rgba(255, 255, 255, 0.14); border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04); padding: 30px 28px; min-height: 300px;
}
.sys-panel .sp-no { font-size: 11.5px; font-weight: 800; letter-spacing: 2px; color: var(--accent); }
.sys-panel h3 { font-size: 21px; font-weight: 800; color: #fff; margin-top: 14px; letter-spacing: -0.3px; }
.sys-panel p { margin-top: 14px; font-size: 14.5px; line-height: 1.85; color: rgba(255, 255, 255, 0.65); }
.sys-panel .sp-link {
  margin-top: 24px; display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 700; color: var(--accent);
}
.sys-panel .sp-link:hover { gap: 12px; }
.sys-legend { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 24px; }
.sys-pill {
  font-size: 12.5px; font-weight: 600; padding: 7px 14px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16); color: rgba(255, 255, 255, 0.62);
  background: none; font-family: inherit; transition: all 0.24s var(--ease);
}
.sys-pill:hover { border-color: rgba(255,255,255,0.4); color: #fff; }
.sys-pill.on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------------- 05 前后对比 ---------------- */
.ba-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
@media (max-width: 1024px) { .ba-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .ba-grid { grid-template-columns: 1fr; } }
.ba-item {
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: #fff;
}
.ba-item .ba-title {
  padding: 18px 20px; font-size: 15px; font-weight: 800;
  border-bottom: 1px solid var(--line); background: var(--bg-warm);
}
.ba-body { padding: 20px; display: grid; gap: 12px; }
.ba-row { display: grid; gap: 7px; }
.ba-row .k {
  font-size: 11px; font-weight: 800; letter-spacing: 1.4px; color: var(--ink-3);
}
.ba-row .v { font-size: 14px; line-height: 1.7; color: var(--ink-2); }
.ba-row.after { padding-top: 12px; border-top: 1px solid var(--line); }
.ba-row.after .k { color: var(--accent); }
.ba-row.after .v { color: var(--ink); }

/* ---------------- 06 创始人 ---------------- */
.founder-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: center; }
@media (max-width: 980px) { .founder-grid { grid-template-columns: 1fr; gap: 36px; } }
.founder-photo {
  border-radius: var(--radius); overflow: hidden; background: var(--navy-800);
  aspect-ratio: 4 / 5; position: relative;
  display: flex; align-items: center; justify-content: center;
}
.founder-photo img { width: 100%; height: 100%; object-fit: cover; }
.founder-photo .fp-ph {
  text-align: center; color: rgba(255, 255, 255, 0.5); padding: 20px;
}
.founder-photo .fp-ph .big {
  font-size: 34px; font-weight: 800; color: rgba(255, 255, 255, 0.92); letter-spacing: 2px;
}
.founder-photo .fp-ph .sub { font-size: 12px; letter-spacing: 2px; margin-top: 12px; }
.founder-copy h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; letter-spacing: -0.6px; line-height: 1.26; }
.founder-copy .role {
  margin-top: 16px; font-size: 14px; font-weight: 700; color: var(--accent); letter-spacing: 0.6px;
}
.founder-copy p { margin-top: 22px; font-size: 16px; line-height: 1.9; color: var(--ink-2); }
.founder-facts { margin-top: 30px; display: grid; gap: 12px; }
.founder-facts li {
  font-size: 14.5px; color: var(--ink-2); padding-left: 22px; position: relative;
}
.founder-facts li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 8px; height: 1.5px; background: var(--accent);
}

/* ---------------- 07 时间轴（星火正在发生） ---------------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px;
  width: 1px; background: var(--line);
}
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -29px; top: 7px;
  width: 9px; height: 9px; border-radius: 50%;
  background: #fff; border: 2px solid var(--accent);
}
.tl-item .tl-date {
  font-size: 12px; font-weight: 800; letter-spacing: 1.4px; color: var(--accent);
}
.tl-item h4 { font-size: 17px; font-weight: 700; margin-top: 9px; }
.tl-item p { margin-top: 8px; font-size: 14.5px; color: var(--ink-3); line-height: 1.75; }
.tl-item .tl-media { margin-top: 14px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.tl-item .tl-media video { width: 100%; display: block; }

/* ---------------- 08 AI机会测试 ---------------- */
.quiz-shell {
  border: 1px solid var(--line); border-radius: 22px; background: #fff;
  padding: 44px 44px 40px; box-shadow: 0 30px 60px -46px rgba(10, 22, 40, 0.4);
}
@media (max-width: 640px) { .quiz-shell { padding: 28px 20px 26px; border-radius: 18px; } }
.quiz-progress { height: 3px; background: var(--line); border-radius: 3px; overflow: hidden; }
.quiz-progress i { display: block; height: 100%; background: var(--accent); width: 0; transition: width 0.4s var(--ease); }
.quiz-step-no {
  margin-top: 20px; font-size: 12px; font-weight: 800; letter-spacing: 2px; color: var(--accent);
}
.quiz-q { margin-top: 14px; font-size: clamp(20px, 2.4vw, 27px); font-weight: 800; letter-spacing: -0.4px; line-height: 1.4; }
.quiz-hint { margin-top: 12px; font-size: 14px; color: var(--ink-3); }
.quiz-options { margin-top: 30px; display: grid; gap: 11px; }
.quiz-opt {
  display: flex; align-items: center; gap: 14px; text-align: left;
  border: 1px solid var(--line); border-radius: 14px; background: #fff;
  padding: 17px 20px; font-size: 15.5px; font-weight: 600; color: var(--ink);
  font-family: inherit; transition: all 0.22s var(--ease); width: 100%;
}
.quiz-opt:hover { border-color: var(--navy-900); background: var(--bg-warm); }
.quiz-opt .key {
  width: 26px; height: 26px; border-radius: 8px; flex-shrink: 0;
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  font-size: 11.5px; font-weight: 800; color: var(--ink-3);
}
.quiz-opt:hover .key { border-color: var(--accent); color: var(--accent); }
.quiz-nav { margin-top: 26px; display: flex; gap: 12px; align-items: center; }
.quiz-back {
  font-size: 14px; font-weight: 600; color: var(--ink-3); font-family: inherit;
  display: inline-flex; align-items: center; gap: 7px;
}
.quiz-back:hover { color: var(--ink); }

.quiz-result { display: none; }
.quiz-result.show { display: block; }
.result-head { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.result-head .rh-label { font-size: 12px; font-weight: 800; letter-spacing: 2px; color: var(--accent); }
.result-head h2 { margin-top: 14px; font-size: clamp(24px, 3vw, 34px); font-weight: 800; letter-spacing: -0.6px; }
.result-head p { margin-top: 14px; font-size: 15.5px; color: var(--ink-2); line-height: 1.85; }
.result-profile {
  margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
@media (max-width: 700px) { .result-profile { grid-template-columns: 1fr; } }
.result-profile .rp {
  border: 1px solid var(--line); border-radius: 14px; padding: 20px 18px; background: var(--bg-warm);
}
.result-profile .rp .k { font-size: 11px; font-weight: 800; letter-spacing: 1.4px; color: var(--ink-3); }
.result-profile .rp .v { margin-top: 10px; font-size: 15.5px; font-weight: 700; }
.result-profile .rp .d { margin-top: 8px; font-size: 13px; color: var(--ink-3); line-height: 1.7; }
.result-dirs { margin-top: 32px; }
.result-dirs h3 { font-size: 17px; font-weight: 800; }
.result-dirs ol { margin-top: 16px; display: grid; gap: 12px; counter-reset: rd; }
.result-dirs ol li {
  position: relative; padding: 16px 20px 16px 52px;
  border: 1px solid var(--line); border-radius: 12px; font-size: 15px; color: var(--ink-2);
  counter-increment: rd;
}
.result-dirs ol li::before {
  content: counter(rd, decimal-leading-zero);
  position: absolute; left: 20px; top: 16px;
  font-size: 12px; font-weight: 800; color: var(--accent); letter-spacing: 1px;
}
.result-dirs ol li b { color: var(--ink); font-weight: 700; display: block; margin-bottom: 5px; }
.result-actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ---------------- 09 产品页模板 ---------------- */
.pblock { display: grid; grid-template-columns: 320px 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .pblock { grid-template-columns: 1fr; gap: 26px; } }
.pblock .pb-side h2 {
  font-size: clamp(24px, 2.8vw, 32px); font-weight: 800; letter-spacing: -0.5px; line-height: 1.3;
}
.pblock .pb-side .pb-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 700; letter-spacing: 2.4px; color: var(--accent);
  text-transform: uppercase; margin-bottom: 18px;
}
.pblock .pb-side .pb-label::before { content: ""; width: 18px; height: 1px; background: var(--accent); }
.pblock .pb-main { font-size: 16px; line-height: 1.9; color: var(--ink-2); }
.pblock .pb-main p + p { margin-top: 18px; }

.fit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 860px) { .fit-grid { grid-template-columns: 1fr; } }
.fit-item {
  border: 1px solid var(--line); border-radius: 14px; padding: 24px 22px; background: #fff;
}
.fit-item .fi-t { font-size: 15.5px; font-weight: 700; }
.fit-item .fi-d { margin-top: 10px; font-size: 14px; color: var(--ink-3); line-height: 1.75; }

.steps { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.step-row {
  background: #fff; padding: 28px 30px; display: grid;
  grid-template-columns: 56px 220px 1fr; gap: 24px; align-items: baseline;
}
@media (max-width: 820px) { .step-row { grid-template-columns: 1fr; gap: 10px; padding: 24px 22px; } }
.step-row .sn { font-size: 13px; font-weight: 800; letter-spacing: 1.6px; color: var(--accent); }
.step-row h4 { font-size: 17px; font-weight: 700; }
.step-row p { font-size: 14.5px; color: var(--ink-3); line-height: 1.78; }

.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; padding: 24px 44px 24px 0; position: relative;
  font-size: 16.5px; font-weight: 700; color: var(--ink); font-family: inherit;
}
.faq-q::after {
  content: ""; position: absolute; right: 8px; top: 50%; width: 11px; height: 11px;
  margin-top: -6px; border-right: 1.6px solid var(--ink-3); border-bottom: 1.6px solid var(--ink-3);
  transform: rotate(45deg); transition: transform 0.28s var(--ease);
}
.faq-item.open .faq-q::after { transform: rotate(-135deg); margin-top: -2px; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.36s var(--ease); }
.faq-a p { padding: 0 40px 26px 0; font-size: 15px; line-height: 1.85; color: var(--ink-3); }

/* ---------------- 10 表单（真实可用） ---------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: grid; gap: 9px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 700; color: var(--ink-2); }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px;
  background: #fff; padding: 14px 16px; font-size: 15px; font-family: inherit;
  color: var(--ink); outline: none; transition: all 0.22s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--navy-900); box-shadow: 0 0 0 3px rgba(10, 22, 40, 0.06);
}
.field .hint { font-size: 12.5px; color: var(--ink-3); }
.form-actions { margin-top: 28px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.form-msg {
  margin-top: 20px; padding: 16px 18px; border-radius: 12px;
  font-size: 14.5px; line-height: 1.7; display: none;
}
.form-msg.show { display: block; }
.form-msg.ok { background: #eef7f0; border: 1px solid #cfe6d6; color: #245c36; }
.form-msg.err { background: #fdf1ee; border: 1px solid #f4d5cc; color: #8f3418; }

.contact-lines { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.contact-line { background: #fff; padding: 24px 26px; }
.contact-line .cl-k { font-size: 11.5px; font-weight: 800; letter-spacing: 1.6px; color: var(--ink-3); }
.contact-line .cl-v { margin-top: 10px; font-size: 17px; font-weight: 700; }
.contact-line .cl-v a:hover { color: var(--accent); }
.contact-line .cl-d { margin-top: 7px; font-size: 13.5px; color: var(--ink-3); }

/* ---------------- 11 视频容器 ---------------- */
.video-frame {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--navy-950); box-shadow: 0 30px 60px -40px rgba(10, 22, 40, 0.55);
}
.video-frame video { width: 100%; display: block; }
.video-frame.landscape video { aspect-ratio: 16 / 9; }
.video-frame.portrait { max-width: 380px; margin: 0 auto; }
.video-frame.portrait video { aspect-ratio: 9 / 16; }

/* ---------------- 13 AI 能力清单（以前 / 现在 / 得到） ---------------- */
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 860px) { .cap-grid { grid-template-columns: 1fr; } }
.cap-card {
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  padding: 32px 30px; display: flex; flex-direction: column;
  transition: all 0.32s var(--ease);
}
.cap-card:hover { border-color: var(--navy-900); transform: translateY(-4px); }
.cc-head {
  display: flex; align-items: baseline; gap: 14px;
  padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 22px;
}
.cc-head .cc-no { font-size: 12px; font-weight: 800; letter-spacing: 2px; color: var(--accent); }
.cc-head h3 { font-size: 19px; font-weight: 800; letter-spacing: -0.2px; }
.cap-rows { display: grid; gap: 15px; flex: 1; }
.cap-row { display: grid; grid-template-columns: 92px 1fr; gap: 16px; align-items: start; }
.cap-row .k { font-size: 11.5px; font-weight: 800; letter-spacing: 1.1px; color: var(--ink-3); padding-top: 3px; }
.cap-row.now .k { color: var(--accent); }
.cap-row .v { font-size: 14.5px; line-height: 1.78; color: var(--ink-2); }
.cap-row.now .v { color: var(--ink); font-weight: 500; }
.cap-foot { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
@media (max-width: 480px) { .cap-row { grid-template-columns: 1fr; gap: 5px; } }

/* ---------------- 14 实验室演示位 ---------------- */
.lab-note {
  margin-top: 22px; font-size: 13.5px; color: rgba(255, 255, 255, 0.5);
}
.lab-empty {
  border: 1px dashed rgba(255, 255, 255, 0.16); border-radius: 14px;
  padding: 34px 26px; text-align: center; color: rgba(255, 255, 255, 0.55); font-size: 14.5px;
  line-height: 1.8;
}

/* ---------------- 15 首页：身份入口 ---------------- */
.hero-entries {
  margin-top: 38px; display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
}
.entry-card { background: #fff; padding: 18px 18px 17px; display: block; transition: background 0.26s var(--ease); }
.entry-card:hover { background: var(--bg-warm); }
.entry-card .en { font-size: 9.5px; letter-spacing: 1.5px; font-weight: 800; color: var(--accent); }
.entry-card h3 { font-size: 15px; font-weight: 700; margin-top: 8px; letter-spacing: -0.1px; }
.entry-card p { font-size: 12.5px; color: var(--ink-3); margin-top: 5px; line-height: 1.6; }
@media (max-width: 700px) { .hero-entries { grid-template-columns: 1fr; } }

/* ---------------- 16 首页：能力速览 ---------------- */
.cap-mini-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.cap-mini {
  background: #fff; padding: 24px 22px 22px;
  display: flex; flex-direction: column; gap: 9px;
  transition: background 0.26s var(--ease);
}
.cap-mini:hover { background: var(--bg-warm); }
.cap-mini .cn { font-size: 11px; font-weight: 800; letter-spacing: 1.6px; color: var(--accent); }
.cap-mini b { font-size: 16px; font-weight: 700; letter-spacing: -0.2px; }
.cap-mini .cd { font-size: 13px; color: var(--ink-3); line-height: 1.65; }
@media (max-width: 1080px) { .cap-mini-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .cap-mini-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .cap-mini-grid { grid-template-columns: 1fr; } }

/* ---------------- 17 首页：星火正在发生（视频墙） ---------------- */
.video-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.vw-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: #fff;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
}
.vw-card:hover {
  transform: translateY(-4px); border-color: rgba(10, 22, 40, 0.22);
  box-shadow: 0 26px 46px -30px rgba(10, 22, 40, 0.4);
}
.vw-media {
  position: relative; aspect-ratio: 4 / 3; background: var(--navy-900);
  overflow: hidden; cursor: pointer;
}
.vw-media img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 42%;
  display: block; transition: transform 0.6s var(--ease);
}
.vw-card:hover .vw-media img { transform: scale(1.045); }
.vw-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,17,32,0.05) 0%, rgba(7,17,32,0) 45%, rgba(7,17,32,0.5) 100%);
}
.vw-dur {
  position: absolute; right: 12px; bottom: 12px; z-index: 3;
  font-size: 11.5px; font-weight: 700; color: #fff;
  background: rgba(7, 17, 32, 0.6); border-radius: 6px; padding: 4px 8px;
  font-variant-numeric: tabular-nums;
}
.vw-body { padding: 18px 20px 20px; }
.vw-body h3 { font-size: 15.5px; font-weight: 700; margin-top: 8px; line-height: 1.45; letter-spacing: -0.1px; }
@media (max-width: 980px) { .video-wall { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .video-wall { grid-template-columns: 1fr; } }

/* ---------------- 12 其他 ---------------- */
.foot-grid.cols-4 { grid-template-columns: 1.5fr 1fr 1fr 1.15fr; }
@media (max-width: 900px) { .foot-grid.cols-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot-grid.cols-4 { grid-template-columns: 1fr; } }

.note-bar {
  margin-top: 30px; padding: 22px 26px; border-radius: 14px;
  border: 1px dashed var(--line); background: var(--bg-warm);
  font-size: 14.5px; color: var(--ink-2); line-height: 1.8;
}
.note-bar b { color: var(--ink); font-weight: 700; }

.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill-row span {
  font-size: 12.5px; color: var(--ink-2); background: #fff;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px;
}
.section.dark .pill-row span {
  background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.7);
}

.cta-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 26px;
  padding: 34px 38px; border-radius: var(--radius);
  background: var(--navy-900); color: #fff; flex-wrap: wrap;
}
.cta-bar h3 { font-size: clamp(19px, 2.2vw, 25px); font-weight: 800; letter-spacing: -0.3px; }
.cta-bar p { margin-top: 10px; font-size: 14.5px; color: rgba(255, 255, 255, 0.6); }
.cta-bar .act { display: flex; gap: 12px; flex-wrap: wrap; }

.skeleton {
  background: linear-gradient(90deg, #f2f2ef 25%, #e9e9e6 37%, #f2f2ef 63%);
  background-size: 400% 100%; animation: sk 1.4s ease infinite;
  border-radius: 8px;
}
@keyframes sk { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }