/* 家庭三页共用样式：总览 / 孩子版 / 长辈版 */
:root{
  --navy:#07142d;--blue:#255fd4;--orange:#f26135;--paper:#f7f3ea;
  --ink:#182234;--muted:#617086;--line:#dfe6ee;
  --rail:min(1180px,calc(100% - 48px));
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:Inter,"Noto Sans SC",system-ui,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.rail{width:var(--rail);margin-inline:auto}
.skip{position:fixed;left:16px;top:-80px;z-index:100;padding:11px 16px;border-radius:8px;background:#fff;color:var(--navy);font-weight:800}
.skip:focus{top:16px}
:where(a,button,summary):focus-visible{outline:3px solid rgba(57,125,255,.45);outline-offset:3px;border-radius:6px}

/* 通用排版 */
.eyebrow{display:flex;align-items:center;gap:12px;color:var(--orange);font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}
.eyebrow::before{content:"";width:36px;height:2px;background:currentColor;flex:none}
.section{padding:104px 0}
.section.alt{background:#f5f7fa}
.section.paper{background:var(--paper)}
.section.tight{padding:64px 0}
.section-head{max-width:860px;margin-bottom:44px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section h2{margin:15px 0 18px;font-size:clamp(34px,4.4vw,56px);line-height:1.12;letter-spacing:-.045em;text-wrap:balance}
.section-head p{margin:0;color:var(--muted);font-size:17px;line-height:1.85}
.section-head p+p{margin-top:12px}
.lede{max-width:880px;margin:0 0 36px;color:var(--muted);font-size:17px;line-height:1.85}
.button{display:inline-flex;min-height:50px;align-items:center;justify-content:center;gap:8px;padding:0 23px;border:1px solid #cbd6e8;border-radius:999px;color:#173387;background:#fff;font-size:14px;font-weight:800;transition:.22s}
.button:hover,.button:focus-visible{transform:translateY(-2px);border-color:var(--blue);box-shadow:0 12px 30px rgba(30,58,186,.14)}
.button.primary{border-color:var(--orange);color:#fff;background:var(--orange);box-shadow:0 12px 30px rgba(242,97,53,.22)}
.button.ghost{background:transparent;border-color:#45618f;color:#fff}

/* 版本切换 */
.track-switch{display:inline-flex;align-items:center;gap:3px;margin:0 0 28px;padding:4px;border:1px solid rgba(164,194,244,.28);border-radius:999px;background:rgba(255,255,255,.07);backdrop-filter:blur(8px)}
.track-switch a{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:0 15px;border-radius:999px;color:#c9d8ef;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
.track-switch a small{font-size:10.5px;font-weight:800;letter-spacing:.04em;opacity:.72}
.track-switch a:hover{color:#fff;background:rgba(255,255,255,.08)}
.track-switch a[aria-current="page"]{color:#12306b;background:#fff}
.track-switch a[aria-current="page"] small{opacity:.6}
.track-switch.light{border-color:#dbe3ee;background:#eef2f8}
.track-switch.light a{color:#4a5a72}
.track-switch.light a[aria-current="page"]{color:#fff;background:#0d2a5e}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:132px 0 92px;color:#fff;background:
  radial-gradient(circle at 78% 24%,rgba(86,139,236,.28),transparent 28%),
  radial-gradient(circle at 92% 82%,rgba(242,97,53,.16),transparent 26%),
  linear-gradient(135deg,#061126 0%,#0b1d42 55%,#12366f 100%)}
.hero::after{content:"";position:absolute;right:-140px;bottom:-280px;width:780px;height:780px;border:1px solid rgba(127,169,239,.16);border-radius:50%;box-shadow:0 0 0 90px rgba(127,169,239,.03),0 0 0 180px rgba(127,169,239,.02);pointer-events:none}
.hero--elder{background:
  radial-gradient(circle at 80% 20%,rgba(242,159,97,.24),transparent 30%),
  radial-gradient(circle at 12% 86%,rgba(86,139,236,.16),transparent 28%),
  linear-gradient(135deg,#101827 0%,#1b2c46 58%,#29405f 100%)}
.hero--youth{background:
  radial-gradient(circle at 77% 26%,rgba(86,139,236,.3),transparent 27%),
  radial-gradient(circle at 92% 80%,rgba(242,97,53,.15),transparent 24%),
  linear-gradient(135deg,#061126 0%,#0b1d42 55%,#12366f 100%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:64px;align-items:center}
.hero .eyebrow{color:#91b8fb}
.hero h1{max-width:840px;margin:22px 0 26px;font-size:clamp(44px,5.6vw,74px);line-height:1.06;letter-spacing:-.055em;text-wrap:balance}
.hero h1 span{display:block;color:#80adff}
.hero--elder h1 span{color:#ffc7a6}
.hero-lead{max-width:730px;margin:0;color:#d4deed;font-size:18px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero .button:not(.primary):not(.ghost){border-color:rgba(164,194,244,.42);color:#fff;background:rgba(5,19,45,.32)}
.hero-proof{display:flex;flex-wrap:wrap;gap:10px 24px;margin:32px 0 0;padding:0;list-style:none;color:#aebdd4;font-size:12.5px}
.hero-proof li{position:relative;padding-left:15px}
.hero-proof li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:#6fa1ff}
.hero-card{padding:32px;border:1px solid rgba(142,181,243,.25);border-radius:28px;background:rgba(8,24,54,.68);box-shadow:0 30px 78px rgba(0,0,0,.28);backdrop-filter:blur(14px)}
.hero-card>small{color:#8fb6f7;font-size:11px;font-weight:900;letter-spacing:.16em}
.hero-card h2{margin:14px 0 24px;font-size:27px;line-height:1.38;letter-spacing:-.03em;text-wrap:balance}
.hero-card p{margin:0;color:#c7d5e8;font-size:14px;line-height:1.85}
.hero-card .card-note{margin-top:18px;padding-top:16px;border-top:1px solid rgba(151,182,231,.16);color:#9fb3cf;font-size:12.5px}

/* 首屏两端入口 */
.hero-paths .quick{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:17px 18px;border:1px solid rgba(143,182,247,.22);border-radius:16px;background:rgba(255,255,255,.05);transition:.2s}
.hero-paths .quick+.quick{margin-top:10px}
.hero-paths .quick:hover,.hero-paths .quick:focus-visible{border-color:rgba(242,97,53,.55);background:rgba(242,97,53,.09);transform:translateY(-2px)}
.hero-paths .quick-age{min-width:62px;color:#8fb6f7;font-size:24px;font-weight:900;letter-spacing:-.05em;line-height:1}
.hero-paths .quick--elder .quick-age{color:#ffb08a}
.hero-paths .quick-copy b{display:block;font-size:16.5px;line-height:1.4}
.hero-paths .quick-copy span{display:block;margin-top:2px;color:#b9c9df;font-size:12.5px;line-height:1.6}
.hero-paths .quick-go{color:#8fb6f7;font-size:16px;font-weight:900}
.hero-paths .quick--elder .quick-go{color:#ffb08a}

/* 三个动作（长辈版首屏卡） */
.command-card ol{margin:0;padding:0;list-style:none;counter-reset:move}
.command-card li{display:grid;grid-template-columns:34px 1fr;gap:2px 10px;padding:14px 0;border-top:1px solid rgba(151,182,231,.15);counter-increment:move}
.command-card li:first-child{border-top:0;padding-top:0}
.command-card li::before{content:counter(move,decimal-leading-zero);grid-column:1;grid-row:1 / span 2;color:#ffb08a;font-size:12px;font-weight:900;letter-spacing:.08em;padding-top:3px}
.command-card li b{grid-column:2;grid-row:1;display:block;font-size:16px}
.command-card li span{grid-column:2;grid-row:2;display:block;color:#c7d5e8;font-size:13.5px;line-height:1.7}

/* 首屏路线卡（孩子版） */
.route-list{display:grid}
.route-step{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:16px 0;border-top:1px solid rgba(151,182,231,.16)}
.route-step:first-child{border-top:0;padding-top:0}
.route-step>b{display:flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:50%;background:rgba(143,182,247,.14);color:#8fb6f7;font-size:11px;font-weight:900}
.route-step strong{display:block;font-size:14px;line-height:1.5}
.route-step span{display:block;margin-top:2px;color:#aebdd4;font-size:12.5px;line-height:1.6}

/* 为什么是家庭 */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.compare-card{display:flex;flex-direction:column;padding:30px;border:1px solid var(--line);border-radius:20px;background:#fff}
.compare-card.is-unit{border-color:#f3c3b1;background:#fff8f4;box-shadow:0 18px 44px rgba(242,97,53,.08)}
.compare-card b{color:var(--orange);font-size:11.5px;font-weight:900;letter-spacing:.14em}
.compare-card h3{margin:18px 0 10px;font-size:25px;letter-spacing:-.03em}
.compare-card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}
.compare-card .card-role{margin:auto 0 0;padding-top:18px;color:#23457b;font-size:13px;font-weight:800}
.quote-band{margin-top:22px;padding:24px 28px;border-left:3px solid var(--orange);border-radius:0 16px 16px 0;background:#fff;box-shadow:0 12px 34px rgba(18,42,86,.05);color:#22355a;font-size:17px;font-weight:750;line-height:1.8;text-wrap:balance}
.quote-band small{display:block;margin-top:6px;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.06em}

/* 从玩到业 */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0;padding:0;list-style:none}
.rung{display:flex;flex-direction:column;padding:26px 24px;border:1px solid var(--line);border-radius:18px;background:#fff}
.rung-tag{display:inline-flex;align-self:flex-start;padding:5px 10px;border-radius:999px;background:#eef3fb;color:#3c5f9c;font-size:11px;font-weight:900;letter-spacing:.1em}
.rung h3{margin:18px 0 8px;font-size:21px;line-height:1.35;letter-spacing:-.025em}
.rung p{margin:0;color:var(--muted);font-size:14px;line-height:1.78}
.rung .gives{margin-top:auto;padding-top:16px;border-top:1px dashed #e3e9f2;color:#4a5a72;font-size:12.5px;line-height:1.75}
.rung .gives b{display:block;margin-bottom:4px;color:#23457b;font-size:10.5px;letter-spacing:.12em}
.rung--optional{border-color:#f0c8b8;background:#fffaf7}
.rung--optional .rung-tag{background:#fdeee7;color:#b04522}
.note{margin-top:22px;padding:20px 24px;border:1px solid #dccfb9;border-radius:14px;background:rgba(255,255,255,.62);color:#5d5344;font-size:14px;line-height:1.8}
.note strong{color:#3d3325}

/* 加速器（深色段） */
.section.dark{color:#fff;background:linear-gradient(135deg,#08152f,#123b78)}
.section.dark h2{color:#fff}
.section.dark .section-head p,.section.dark .lede{color:#c3d3ea}
.section.dark .eyebrow{color:#8fb6f7}
.engine-head{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:end;margin-bottom:28px}
.engine-head h2{margin:12px 0 0}
.engine-head p{margin:0;color:#c3d3ea;font-size:16px;line-height:1.85}
.engine-flow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 22px;padding:0;list-style:none}
.engine-flow li{padding:10px 18px;border:1px solid rgba(143,182,247,.3);border-radius:999px;color:#e3ecf9;font-size:14.5px;font-weight:800}
.engine-flow .sep{padding:0;border:0;color:#7ea3dc;font-weight:900}
.engine-statement{margin:26px 0 0;padding:22px 24px;border-left:3px solid var(--orange);background:rgba(255,255,255,.07);color:#fff;font-size:16px;font-weight:750;line-height:1.8}
.engine-note{margin:14px 0 0;color:#9fb3cf;font-size:12.5px;line-height:1.8}

/* 两个版本 */
.doors{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.door{position:relative;display:flex;flex-direction:column;min-height:390px;padding:36px;border:1px solid var(--line);border-radius:26px;overflow:hidden;transition:.22s}
.door:hover{transform:translateY(-4px)}
.door--youth{color:#fff;border-color:transparent;background:linear-gradient(155deg,#0d2a5e,#12366f 62%,#1b4a92)}
.door--elder{color:#3a2a1e;border-color:#eed6c4;background:linear-gradient(155deg,#fff7f0,#f7e7d8)}
.door-age{font-size:clamp(46px,6vw,76px);font-weight:900;line-height:.95;letter-spacing:-.06em}
.door--youth .door-age{color:#8fb6f7}
.door--elder .door-age{color:#c96a3d}
.door h3{margin:20px 0 10px;font-size:30px;letter-spacing:-.035em}
.door p{margin:0;font-size:15px;line-height:1.8}
.door--youth p{color:#d3dfef}
.door--elder p{color:#6b5747}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0;padding:0;list-style:none}
.chips li{padding:6px 11px;border-radius:999px;font-size:12px;font-weight:700}
.door--youth .chips li{background:rgba(255,255,255,.1);color:#dfe9f7}
.door--elder .chips li{background:rgba(255,255,255,.72);color:#7a5a41;border:1px solid #eed6c4}
.door .go{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:24px;font-size:15px;font-weight:850}
.door--youth .go{color:#fff;border-top:1px solid rgba(255,255,255,.16)}
.door--elder .go{color:#8a3f1d;border-top:1px solid #e6cdb9}

/* 文化桥 */
.bridge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bridge-card{display:flex;flex-direction:column;padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff}
.bridge-card .metric{color:var(--orange);font-size:11.5px;font-weight:900;letter-spacing:.13em}
.bridge-card h3{margin:16px 0 10px;font-size:23px;letter-spacing:-.03em}
.bridge-card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}
.bridge-card .go{margin:auto 0 0;padding-top:18px;color:var(--blue);font-size:13px;font-weight:850}

/* 能力坐标与状态 */
.coords{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.coord{padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff}
.coord b{display:block;color:var(--orange);font-size:11.5px;font-weight:900;letter-spacing:.13em}
.coord h3{margin:14px 0 10px;font-size:22px;letter-spacing:-.025em}
.coord p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.coord a{color:var(--blue);font-weight:800;text-decoration:underline;text-underline-offset:3px}
.status-box{margin-top:22px;padding:22px 26px;border:1px solid #dccfb9;border-radius:16px;background:rgba(255,255,255,.66);color:#5d5344;font-size:14px;line-height:1.85}
.status-box strong{color:#3d3325}

/* 收尾 */
.cta{padding:92px 0;color:#fff;background:var(--navy);border-top:1px solid rgba(143,182,247,.16)}
.cta-grid{display:grid;grid-template-columns:1fr auto;gap:56px;align-items:center}
.cta h2{max-width:760px;margin:13px 0 16px;font-size:clamp(36px,4.4vw,56px);line-height:1.1;letter-spacing:-.05em;text-wrap:balance}
.cta p{max-width:720px;margin:0;color:#aebdd4;font-size:16px;line-height:1.85}
.cta .eyebrow{color:#86aff8}
.cta-actions{display:flex;min-width:230px;flex-direction:column;gap:12px}
.cta .button:not(.primary){border-color:#45618f;color:#fff;background:transparent}

/* 孩子版内容组件 */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.prep-card{position:relative;min-height:310px;padding:32px;border:1px solid var(--line);border-radius:22px;background:#fff}
.prep-card b{display:block;color:var(--orange);font-size:12px;letter-spacing:.14em}
.prep-card h3{margin:24px 0 12px;font-size:28px;line-height:1.25;letter-spacing:-.035em}
.prep-card strong{display:block;margin-bottom:18px;color:#23457b;font-size:17px}
.prep-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}

.culture-band{background:var(--paper);border-top:1px solid #e8dfcf;border-bottom:1px solid #e8dfcf}
.culture-band .rail{display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center;padding:34px 0}
.culture-band p{margin:0;color:#3f4b5e;font-size:16px;line-height:1.8;font-weight:650}
.band-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;margin:0;padding:0;list-style:none}
.band-chips li{padding:8px 13px;border:1px solid #d9cdb9;border-radius:999px;background:rgba(255,255,255,.6);color:#5b4e3c;font-size:12.5px;font-weight:750}

.series-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.series-card{position:relative;display:flex;min-height:430px;overflow:hidden;flex-direction:column;padding:34px;border:1px solid #d9e1e9;border-radius:24px;background:#fff;transition:.22s}
.series-card:hover,.series-card:focus-within{transform:translateY(-4px);box-shadow:0 24px 56px rgba(24,47,88,.1)}
.series-card::before{content:attr(data-number);position:absolute;right:22px;top:6px;color:#edf1f6;font-size:94px;font-weight:900;line-height:1}
.series-kicker{position:relative;color:var(--blue);font-size:11px;font-weight:900;letter-spacing:.14em}
.series-card h3{position:relative;margin:20px 0 10px;font-size:31px;letter-spacing:-.035em}
.series-card .promise{position:relative;margin:0 0 22px;color:#23457b;font-size:15px;font-weight:800}
.series-card p{position:relative;margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.mission-list{position:relative;display:grid;gap:9px;margin:24px 0;padding:0;list-style:none}
.mission-list li{padding-left:16px;color:#3f4d62;font-size:13px;line-height:1.6}
.mission-list li::before{content:"";float:left;margin:7px 0 0 -16px;width:5px;height:5px;border-radius:50%;background:var(--orange)}
.series-foot{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
.status{display:inline-block;padding:7px 11px;border-radius:999px;background:#f2f5f8;color:#5d6a7b;font-size:11px;font-weight:850}
.series-link{color:var(--blue);font-size:13px;font-weight:850}
.series-link:hover{text-decoration:underline;text-underline-offset:4px}

.guide-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:44px;align-items:stretch}
.guide-intro{display:flex;flex-direction:column;padding:38px;border-radius:26px;color:#fff;background:linear-gradient(145deg,#153b7d,#0b1f46)}
.guide-intro h2{margin:18px 0;font-size:42px;color:#fff}
.guide-intro p{margin:0;color:#cad9ef;font-size:16px;line-height:1.85}
.guide-mark{margin-top:auto;padding-top:36px;color:#89b1f6;font-size:13px;font-weight:800}
.guide-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.guide-action{padding:26px;border:1px solid #d7e1ee;border-radius:18px;background:#fff}
.guide-action b{display:block;color:var(--orange);font-size:11px;letter-spacing:.12em}
.guide-action h3{margin:12px 0 8px;font-size:20px}
.guide-action p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}

.aise{color:#fff;background:linear-gradient(135deg,#0a1935,#123b78)}
.aise-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:center}
.aise-badge{display:flex;min-height:280px;align-items:center;justify-content:center;border:1px solid rgba(145,184,251,.24);border-radius:30px;background:rgba(255,255,255,.05);color:#8fb6f7;font-size:clamp(64px,9vw,112px);font-weight:900;letter-spacing:-.08em}
.aise-copy .eyebrow{color:#8fb6f7}
.aise-copy h2{margin:16px 0 22px;color:#fff}
.aise-copy p{margin:0 0 16px;color:#cad7ea;font-size:16px;line-height:1.85}
.aise-statement{padding:20px 22px;border-left:3px solid var(--orange);background:rgba(255,255,255,.06);color:#fff!important;font-weight:750}
.aise-parent{margin-top:20px;padding-top:18px;border-top:1px solid rgba(143,182,247,.2);color:#d8e3f2!important;font-size:15px!important}
.aise-official{display:inline-block;margin-top:8px;color:#9fc2ff;font-weight:800;text-decoration:underline;text-underline-offset:4px}

/* 长辈版内容组件（大字号在此覆盖） */
.command-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.command-step{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff}
.command-step .num{color:var(--orange);font-size:12px;font-weight:900;letter-spacing:.14em}
.command-step h3{margin:16px 0 10px;font-size:26px;letter-spacing:-.03em}
.command-step p{margin:0;color:var(--muted);font-size:15px;line-height:1.85}
.rule-strip{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center;margin-top:22px;padding:26px 30px;border:1px solid #e6d8c4;border-radius:18px;background:var(--paper)}
.rule-strip b{display:block;color:#8a4a28;font-size:12px;letter-spacing:.13em}
.rule-strip p{margin:8px 0 0;color:#4d4033;font-size:16px;font-weight:750;line-height:1.8}
.rule-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;margin:0;padding:0;list-style:none}
.rule-chips li{padding:9px 15px;border-radius:999px;background:#fff;border:1px solid #e2d3bd;color:#6b533c;font-size:14px;font-weight:750}

.theme-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.theme{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff}
.theme>header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.theme h3{margin:0;font-size:23px;letter-spacing:-.03em}
.theme header small{color:#6a7a90;font-size:13px;font-weight:750;white-space:nowrap}
.course{margin:0;padding:0;list-style:none}
.course li{padding:14px 0;border-bottom:1px dashed #e7ecf3}
.course li:last-child{border-bottom:0;padding-bottom:0}
.course b{display:block;font-size:17px}
.course small{color:#6a7a90;font-size:12.8px}
.course span{display:block;margin-top:3px;color:#4a5a72;font-size:13.5px}
.course span::before{content:"成果 · ";color:var(--orange);font-weight:850}

.workshop-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.workshop{padding:30px;border:1px solid var(--line);border-radius:22px;background:#fff}
.workshop .meta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}
.workshop .meta span{padding:6px 10px;border-radius:999px;background:#f2f5f8;color:#5d6a7b;font-size:12px;font-weight:800}
.workshop h3{margin:0 0 10px;font-size:24px;letter-spacing:-.03em}
.workshop p{margin:0 0 16px;color:var(--muted);font-size:14.5px;line-height:1.85}
.steps{margin:0;padding:0;list-style:none;counter-reset:step}
.steps li{display:grid;grid-template-columns:42px 1fr;gap:12px;padding:11px 0;border-top:1px dashed #e7ecf3;font-size:13.5px;color:#45536a;line-height:1.7}
.steps li::before{counter-increment:step;content:counter(step,decimal-leading-zero);color:var(--orange);font-weight:900}
.workshop .take{margin:14px 0 0;padding:14px 16px;border-radius:12px;background:#f7f9fc;color:#3c4d68;font-size:13.5px;line-height:1.75}

.support-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start}
.support-card{padding:30px;border:1px solid var(--line);border-radius:22px;background:#fff}
.support-card h3{margin:0 0 16px;font-size:22px}
.support-list{margin:0;padding:0;list-style:none}
.support-list li{padding:12px 0 12px 26px;border-top:1px solid #eef2f7;color:#3f4d62;font-size:14.5px;line-height:1.75;position:relative}
.support-list li:first-child{border-top:0}
.support-list li::before{content:"";position:absolute;left:4px;top:20px;width:7px;height:7px;border-radius:50%;background:var(--orange)}
.support-list b{color:#1f3355}
.safety-list{margin:0;padding:0;list-style:none}
.safety-list li{padding:14px 0;border-top:1px solid #eef2f7;font-size:14.5px;line-height:1.8;color:#4a5a72}
.safety-list li:first-child{border-top:0}
.safety-list b{display:block;color:#2a3c58;font-size:15px}

/* 长辈版放大：60+ 可读性 */
body.track-elder{font-size:17.5px;line-height:1.8}
.track-elder .section h2{font-size:clamp(34px,4.2vw,54px)}
.track-elder .section-head p,.track-elder .lede{font-size:18.5px;line-height:1.9}
.track-elder .eyebrow{font-size:13px}
.track-elder .hero-lead{font-size:19px;line-height:1.95}
.track-elder .hero-proof{font-size:14px}
.track-elder .button{min-height:56px;padding:0 26px;font-size:15.5px}
.track-elder .rung h3{font-size:22px}
.track-elder .rung p{font-size:16px}
.track-elder .rung .gives{font-size:14px}
.track-elder .steps li{font-size:15px}
.track-elder .course small{font-size:13.5px;color:#5f6f86}
.track-elder .theme header small{font-size:13.5px;color:#5f6f86}
.track-elder .compare-card p{font-size:16px}
.track-elder .note,.track-elder .status-box{font-size:15.5px}
.track-elder .bridge-card p{font-size:16px}

/* 响应式 */
@media(max-width:980px){
  .hero{padding:112px 0 76px}
  .hero-grid,.guide-grid,.aise-grid,.support-grid{grid-template-columns:1fr}
  .hero-card{max-width:660px}
  .compare-grid,.ladder,.command-grid{grid-template-columns:repeat(2,1fr)}
  .prep-grid,.bridge-grid{grid-template-columns:1fr 1fr}
  .doors,.theme-grid,.workshop-grid,.coords{grid-template-columns:1fr}
  .culture-band .rail{grid-template-columns:1fr;gap:18px}
  .engine-head{grid-template-columns:1fr;gap:14px;align-items:start}
  .band-chips{justify-content:flex-start}
  .rule-strip{grid-template-columns:1fr}
  .rule-chips{justify-content:flex-start}
  .cta-grid{grid-template-columns:1fr}
  .cta-actions{min-width:0;flex-direction:row;flex-wrap:wrap}
}
@media(max-width:680px){
  :root{--rail:calc(100% - 30px)}
  .section{padding:76px 0}
  .hero{padding:96px 0 64px}
  .hero h1{font-size:42px}
  .hero-lead{font-size:16.5px}
  .hero-actions,.cta-actions{flex-direction:column}
  .hero-actions .button,.cta-actions .button{width:100%}
  .hero-proof{flex-direction:column;gap:8px}
  .section-head.center{text-align:left}
  .section-head.center .eyebrow{justify-content:flex-start}
  .hero-card{padding:24px}
  .track-switch{width:100%;gap:2px;padding:3px;justify-content:space-between}
  .track-switch a{padding:0 9px;font-size:11.5px}
  .track-switch a small{font-size:9.5px}
  .compare-grid,.ladder,.prep-grid,.bridge-grid,.coords,.command-grid,.theme-grid,.workshop-grid{grid-template-columns:1fr}
  .door{min-height:0;padding:28px}
  .door h3{font-size:26px}
  .guide-intro{padding:28px}
  .guide-intro h2{font-size:34px}
  .guide-actions{grid-template-columns:1fr}
  .series-card{min-height:0;padding:26px}
  .prep-card{min-height:0;padding:26px}
  .aise-badge{min-height:180px}
  .quote-band{font-size:15.5px}
  .engine-flow{gap:7px}
  .engine-flow li{padding:8px 12px;font-size:13px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important}
}