/* ==========================================================================
   AI 套系 · 天枢 · AI 中控（/ai/control.html，2026-11-11）
   只放本页专属组件，类名一律 tc- 前缀；颜色、字体与间距读 ai-suite.css 的语义变量。
   版式沿用套系：细线、白底与浅灰蓝为主，深蓝只用在少数锚点；琥珀色只代表“人确认”。
   案例页签用单选框切换，不依赖脚本；打印时全部展开。
   ========================================================================== */

/* ---------- 通用小件 ---------- */
.aisuite .tc-mt { margin-top: clamp(56px, 7vw, 104px); }
.aisuite .tc-sub { margin: clamp(36px, 4.4vw, 60px) 0 16px; font-family: var(--sans); font-size: 15px; font-weight: 600; line-height: 1.6; color: var(--fg-2); }
.aisuite .tc-goals strong { font-size: clamp(20px, 1.8vw, 24px); line-height: 1.35; }

/* ---------- 首屏：撑起生产级应用的结构示意 ---------- */
.aisuite .tc-rig { position: relative; display: grid; min-width: 0; margin: 0; }
.aisuite .tc-rig-top { position: relative; z-index: 1; display: grid; gap: 2px; padding: 16px 22px 18px; border-radius: 14px; background: #fff; box-shadow: 0 34px 60px -36px rgba(2, 30, 56, .8); --human-ink: var(--human-700); }
.aisuite .tc-rig-top small { font-family: var(--mono); font-size: 12px; letter-spacing: .03em; color: #5e6474; }
.aisuite .tc-rig-top b { font-family: var(--serif); font-weight: 700; font-size: clamp(22px, 2vw, 26px); line-height: 1.3; color: var(--ztc-text); }
.aisuite .tc-rig-top span { margin-top: 4px; font-size: 13px; line-height: 1.6; color: #4b5161; }
.aisuite .tc-rig-top .tag { position: absolute; right: 18px; top: 18px; font-style: normal; background: #fff; }
.aisuite .tc-rig-cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(10px, 1.4vw, 18px); padding-inline: clamp(14px, 2vw, 28px); }
.aisuite .tc-rig-cols li { position: relative; display: grid; align-content: center; justify-items: center; gap: 2px; min-height: clamp(150px, 21vh, 196px); padding: 18px 4px; text-align: center; background: rgba(3, 40, 72, .84); border-inline: 1px solid rgba(189, 233, 249, .5); box-shadow: 0 0 28px rgba(150, 225, 255, .22); }
/* 柱头与柱础：上下各一道略宽的横线 */
.aisuite .tc-rig-cols li::before { content: ''; position: absolute; inset: 0 -5px; border-block: 4px solid rgba(214, 241, 251, .9); pointer-events: none; }
/* 细线发光：沿左侧边线自下而上走一遍，四根柱子依次亮 */
.aisuite .tc-rig-cols li::after { content: ''; position: absolute; left: -1px; top: 4px; bottom: 4px; width: 1px; background: linear-gradient(180deg, transparent, #fff, transparent) no-repeat 0 175% / 100% 42%; opacity: 0; animation: tc-rise 5.6s linear infinite; animation-delay: calc(var(--i, 0) * .7s); }
@keyframes tc-rise { 0% { background-position: 0 175%; opacity: 0; } 10% { opacity: 1; } 62% { opacity: 1; } 72%, 100% { background-position: 0 -75%; opacity: 0; } }
.aisuite .tc-rig-cols small { font-family: var(--mono); font-size: 11.5px; letter-spacing: .03em; color: rgba(255, 255, 255, .84); }
.aisuite .tc-rig-cols b { margin-top: 4px; font-size: 16px; font-weight: 600; line-height: 1.4; color: #fff; }
.aisuite .tc-rig-cols span { font-size: 12.5px; line-height: 1.5; color: rgba(255, 255, 255, .9); }
.aisuite .tc-rig-base { position: relative; z-index: 1; display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 2px 16px; padding: 11px 22px; border-radius: 10px; background: rgba(255, 255, 255, .94); box-shadow: 0 24px 44px -30px rgba(2, 30, 56, .7); }
.aisuite .tc-rig-base b { font-family: var(--serif); font-weight: 700; font-size: 17px; color: var(--ztc-text); }
.aisuite .tc-rig-base span { font-size: 13px; color: #4b5161; }

/* ---------- 01 为什么需要 ---------- */
.aisuite .tc-hops { display: flex; flex-wrap: wrap; gap: 6px 0; margin-bottom: 10px; }
.aisuite .tc-hops li { position: relative; display: inline-flex; align-items: center; margin-right: 22px; padding: 1px 9px; border-radius: 4px; background: var(--bg-3); font-size: 13px; line-height: 1.7; color: var(--fg); white-space: nowrap; }
/* 箭头跟在前一项后面，换行时不会落到行首 */
.aisuite .tc-hops li:not(:last-child)::after { content: '→'; position: absolute; right: -18px; font-size: 12px; color: var(--fg-3); }
.aisuite .tc-hops li:last-child { margin-right: 0; }
.aisuite .tc-shift { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 3fr) minmax(0, 5fr); margin-top: clamp(28px, 3vw, 44px); border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden; background: #fff; }
.aisuite .tc-shift > div { position: relative; padding: clamp(20px, 2.4vw, 32px); }
.aisuite .tc-shift .mono { font-size: 12.5px; color: var(--fg-3); }
.aisuite .tc-shift h3 { margin: 6px 0; font-size: 17px; line-height: 1.5; }
.aisuite .tc-shift p:not(.mono) { font-size: 14.5px; line-height: 1.8; }
.aisuite .tc-shift-now { background: color-mix(in srgb, var(--signal-500) 8%, #fff); border-left: 1px solid var(--line); }
.aisuite .tc-shift-now .mono, .aisuite .tc-shift-now h3 { color: var(--signal-700); }
.aisuite .tc-shift-now::before { content: '→'; position: absolute; left: -14px; top: 50%; display: grid; place-items: center; width: 27px; height: 27px; margin-top: -14px; border: 1px solid var(--line-2); border-radius: 50%; background: #fff; font-size: 13px; line-height: 1; color: var(--signal-700); }
.aisuite .tc-shift-say { background: var(--blue-static); --fg: #fff; --fg-2: rgba(255, 255, 255, .92); }
.aisuite .tc-shift-say h3 { margin-top: 0; font-size: clamp(19px, 1.7vw, 22px); line-height: 1.35; }

/* ---------- 02 靠什么做到 ---------- */
.aisuite .tc-pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-2); }
.aisuite .tc-pillars li { position: relative; padding: 22px clamp(14px, 2vw, 28px) 0 0; }
.aisuite .tc-pillars li + li { padding-left: clamp(14px, 2vw, 28px); border-left: 1px solid var(--line); }
.aisuite .tc-pillars li::before { content: ''; position: absolute; left: 0; top: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.aisuite .tc-pillars li + li::before { left: -4px; }
.aisuite .tc-pillars .mono { font-size: 12.5px; color: var(--accent-ink); }
.aisuite .tc-pillars h3 { margin: 6px 0; font-family: var(--serif); font-size: clamp(18px, 1.5vw, 20px); line-height: 1.3; }
.aisuite .tc-pillars p { font-size: 14.5px; line-height: 1.8; }
.aisuite .tc-skills { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-top: 1px solid var(--line-2); border-left: 1px solid var(--line); background: var(--bg-2); }
.aisuite .tc-skills li { padding: 16px clamp(10px, 1.2vw, 16px) 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.aisuite .tc-skills .mono { font-size: 12.5px; color: var(--accent-ink); }
.aisuite .tc-skills h4 { margin: 4px 0; font-size: 15px; }
.aisuite .tc-skills p { font-size: 13.5px; line-height: 1.7; }
.aisuite .tc-skills-foot { display: grid; gap: 14px; margin-top: 18px; }
.aisuite .tc-skills-foot p { font-size: 14px; line-height: 1.8; }
.aisuite .tc-skills-foot p b { margin-right: 12px; font-weight: 600; color: var(--fg); }
.aisuite .tc-flowline { display: flex; flex-wrap: wrap; gap: 8px 0; }
.aisuite .tc-flowline li { position: relative; display: inline-flex; align-items: center; min-height: 34px; padding: 4px 16px; border: 1px solid color-mix(in srgb, var(--accent-ink) 34%, transparent); border-radius: 999px; background: #fff; font-size: 13.5px; font-weight: 600; color: var(--accent-ink); }
.aisuite .tc-flowline li + li { margin-left: 34px; }
.aisuite .tc-flowline li + li::before { content: '→'; position: absolute; left: -24px; font-weight: 400; color: var(--fg-3); }

/* ---------- 03 能搭出什么：由小到大的台阶 ---------- */
.aisuite .tc-stairs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; align-items: end; }
.aisuite .tc-stairs li { display: flex; flex-direction: column; min-height: calc(186px + var(--n, 0) * 24px); padding: clamp(16px, 1.6vw, 22px); border-radius: 10px 10px 0 0; background: var(--bg-2); }
.aisuite .tc-stairs li:nth-child(2) { background: color-mix(in srgb, var(--signal-500) 6%, var(--bg-2)); }
.aisuite .tc-stairs li:nth-child(3) { background: color-mix(in srgb, var(--signal-500) 11%, var(--bg-2)); }
.aisuite .tc-stairs li:nth-child(4) { background: color-mix(in srgb, var(--signal-500) 17%, var(--bg-2)); }
.aisuite .tc-stairs li:nth-child(5) { background: var(--blue-static); --fg: #fff; --fg-2: rgba(255, 255, 255, .92); --fg-3: rgba(255, 255, 255, .84); --accent-ink: var(--signal-200); }
.aisuite .tc-stairs .mono { font-size: 12.5px; color: var(--accent-ink); }
.aisuite .tc-stairs h3 { margin: 6px 0 2px; font-family: var(--serif); font-size: clamp(20px, 1.8vw, 24px); line-height: 1.25; }
.aisuite .tc-stairs-kind { font-size: 13.5px; line-height: 1.6; color: var(--fg-3); }
.aisuite .tc-stairs li > p:last-child { margin-top: auto; padding-top: 16px; font-size: 13.5px; line-height: 1.7; color: var(--fg); }
.aisuite .tc-stairs small { display: block; font-family: var(--mono); font-size: 12px; color: var(--fg-3); }
.aisuite .tc-stairs-axis { display: flex; align-items: center; gap: 14px; padding-top: 10px; border-top: 2px solid var(--signal-700); font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); }
.aisuite .tc-stairs-axis::before { content: ''; order: 1; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), var(--line-2)); }
.aisuite .tc-stairs-axis span:last-child { order: 2; color: var(--accent-ink); }
.aisuite .tc-bound { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 18px; margin-top: clamp(22px, 2.4vw, 32px); padding: 15px 20px; border-left: 3px solid var(--signal-500); background: var(--bg-2); font-size: 14.5px; line-height: 1.8; }
.aisuite .tc-bound b { font-weight: 600; color: var(--accent-ink); white-space: nowrap; }
.aisuite .tc-bound span { flex: 1; min-width: min(100%, 260px); color: var(--fg); }

/* ---------- 04 几个概念：层级图与对照 ---------- */
.aisuite .tc-concepts { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 28px clamp(32px, 5vw, 72px); align-items: center; }
.aisuite .tc-nest { min-width: 0; }
.aisuite .tc-box { padding: 10px 12px 12px; border: 1px solid color-mix(in srgb, var(--signal-700) 30%, transparent); border-radius: 12px; background: rgba(255, 255, 255, .62); }
.aisuite .tc-box .tc-box { border-radius: 10px; }
.aisuite .tc-box > p { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; line-height: 1.5; }
.aisuite .tc-box > p b { font-size: 14px; font-weight: 600; color: var(--signal-800); white-space: nowrap; }
.aisuite .tc-box > p span { font-size: 12.5px; color: var(--fg-2); }
.aisuite .tc-box--zone { border-style: dashed; border-color: color-mix(in srgb, var(--signal-700) 55%, transparent); background: color-mix(in srgb, var(--signal-500) 8%, #fff); }
.aisuite .tc-box > .tc-zone { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; color: var(--accent-ink); }
.aisuite .tc-box--scene { background: #fff; }
.aisuite .tc-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 8px; }
.aisuite .tc-pair .tc-box, .aisuite .tc-box--atom { padding: 9px 12px 10px; }
.aisuite .tc-pair .tc-box { background: var(--bg-3); border-color: transparent; }
.aisuite .tc-pair .tc-box > p, .aisuite .tc-box--atom > p { display: grid; gap: 0; margin: 0; }
.aisuite .tc-box--atom { border-color: transparent; background: var(--signal-700); }
.aisuite .tc-box--atom > p b { color: #fff; }
.aisuite .tc-box--atom > p span { color: rgba(255, 255, 255, .92); }
.aisuite .tc-terms { border-top: 1px solid var(--line-2); }
.aisuite .tc-terms > div { display: grid; grid-template-columns: 88px minmax(0, 5fr) minmax(0, 6fr); gap: 2px clamp(12px, 1.8vw, 22px); align-items: baseline; padding-block: 13px; border-bottom: 1px solid var(--line); }
.aisuite .tc-terms dt { font-family: var(--serif); font-weight: 600; font-size: 17px; line-height: 1.5; color: var(--fg); }
.aisuite .tc-terms dd { font-size: 14.5px; line-height: 1.7; color: var(--fg); }
.aisuite .tc-terms .tc-eg { font-size: 13.5px; color: var(--fg-2); }
.aisuite .tc-terms .tc-eg small { margin-right: 8px; font-family: var(--mono); font-size: 12px; color: var(--fg-3); }

/* ---------- 05 装配流程 ／ 06 能力治理：带圆点的步骤 ---------- */
.aisuite :is(.tc-stations, .tc-rail) { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line-2); }
.aisuite :is(.tc-stations, .tc-rail) li { position: relative; display: flex; flex-direction: column; padding: 22px clamp(10px, 1.4vw, 20px) 4px 0; }
.aisuite :is(.tc-stations, .tc-rail) li + li { padding-left: clamp(10px, 1.4vw, 20px); border-left: 1px solid var(--line); }
.aisuite :is(.tc-stations, .tc-rail) li::before { content: ''; position: absolute; left: 0; top: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.aisuite :is(.tc-stations, .tc-rail) li + li::before { left: -4px; }
.aisuite :is(.tc-stations, .tc-rail) .mono { font-size: 12.5px; color: var(--accent-ink); }
.aisuite :is(.tc-stations, .tc-rail) h3 { margin: 6px 0; font-family: var(--serif); font-size: clamp(17px, 1.4vw, 19px); line-height: 1.3; }
.aisuite :is(.tc-stations, .tc-rail) p { flex: 1; font-size: 13.5px; line-height: 1.75; }
.aisuite .tc-stations small { display: inline-flex; align-items: center; align-self: flex-start; gap: 8px; margin-top: 12px; padding: 3px 11px 3px 3px; border-radius: 999px; background: var(--bg-3); font-size: 12.5px; font-weight: 600; line-height: 1.6; color: var(--fg); }
.aisuite .tc-stations small i { padding: 0 8px; border-radius: 999px; background: var(--signal-700); font-style: normal; font-size: 11.5px; font-weight: 500; color: #fff; }
.aisuite .tc-kit { display: grid; grid-template-columns: minmax(0, 2.4fr) minmax(0, 10fr); margin-top: clamp(26px, 3vw, 44px); border-radius: 14px; overflow: hidden; background: var(--blue-static); }
.aisuite .tc-kit-name { display: grid; align-content: center; gap: 2px; padding: 20px clamp(16px, 2vw, 28px); border-right: 1px solid rgba(255, 255, 255, .24); font-size: 13px; line-height: 1.6; color: rgba(255, 255, 255, .88); }
.aisuite .tc-kit-name b { font-family: var(--serif); font-weight: 700; font-size: 21px; line-height: 1.3; color: #fff; }
.aisuite .tc-kit ul { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.aisuite .tc-kit li { padding: 18px clamp(12px, 1.6vw, 22px) 20px; }
.aisuite .tc-kit li + li { border-left: 1px solid rgba(255, 255, 255, .24); }
.aisuite .tc-kit li b { display: block; font-size: 15px; font-weight: 600; color: #fff; }
.aisuite .tc-kit li span { display: block; margin-top: 3px; font-size: 13px; line-height: 1.7; color: rgba(255, 255, 255, .92); }
.aisuite .tc-compare { margin-top: 20px; max-width: 62em; font-size: 14.5px; line-height: 1.85; }
.aisuite .tc-scenes { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin-top: 14px; font-size: 14.5px; }
.aisuite .tc-scenes span { padding: 2px 12px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 13px; color: var(--fg); }
.aisuite .tc-rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: clamp(26px, 3vw, 44px); }
.aisuite .tc-rules li { padding: 16px 20px 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); }
.aisuite .tc-rules b { display: block; font-size: 15px; font-weight: 600; color: var(--accent-ink); }
.aisuite .tc-rules span { display: block; margin-top: 2px; font-size: 13.5px; line-height: 1.7; color: var(--fg-2); }

/* ---------- 07 应用案例：单选框页签 ---------- */
.aisuite .tc-cases { position: relative; }
.aisuite .tc-case-radio { position: absolute; left: 0; top: 0; width: 1px; height: 1px; margin: 0; opacity: 0; pointer-events: none; }
.aisuite .tc-case-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-bottom: 1px solid var(--line-2); }
.aisuite .tc-case-tabs label { position: relative; display: flex; align-items: center; gap: 10px; min-height: 56px; padding: 10px 12px 10px 0; font-size: 15.5px; font-weight: 600; line-height: 1.4; color: var(--fg-2); cursor: pointer; transition: color .2s; }
.aisuite .tc-case-tabs label::after { content: ''; position: absolute; left: 0; right: 12px; bottom: -1px; height: 2px; background: var(--signal-700); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.aisuite .tc-case-tabs .mono { font-size: 12.5px; font-weight: 400; color: var(--fg-3); }
.aisuite .tc-case-tabs label:hover { color: var(--accent-ink); }
.aisuite #tc-case-1:checked ~ .tc-case-tabs label[for="tc-case-1"],
.aisuite #tc-case-2:checked ~ .tc-case-tabs label[for="tc-case-2"],
.aisuite #tc-case-3:checked ~ .tc-case-tabs label[for="tc-case-3"],
.aisuite #tc-case-4:checked ~ .tc-case-tabs label[for="tc-case-4"] { color: var(--fg); }
.aisuite #tc-case-1:checked ~ .tc-case-tabs label[for="tc-case-1"]::after,
.aisuite #tc-case-2:checked ~ .tc-case-tabs label[for="tc-case-2"]::after,
.aisuite #tc-case-3:checked ~ .tc-case-tabs label[for="tc-case-3"]::after,
.aisuite #tc-case-4:checked ~ .tc-case-tabs label[for="tc-case-4"]::after { transform: none; }
.aisuite #tc-case-1:checked ~ .tc-case-tabs label[for="tc-case-1"] .mono,
.aisuite #tc-case-2:checked ~ .tc-case-tabs label[for="tc-case-2"] .mono,
.aisuite #tc-case-3:checked ~ .tc-case-tabs label[for="tc-case-3"] .mono,
.aisuite #tc-case-4:checked ~ .tc-case-tabs label[for="tc-case-4"] .mono { color: var(--accent-ink); }
.aisuite #tc-case-1:focus-visible ~ .tc-case-tabs label[for="tc-case-1"],
.aisuite #tc-case-2:focus-visible ~ .tc-case-tabs label[for="tc-case-2"],
.aisuite #tc-case-3:focus-visible ~ .tc-case-tabs label[for="tc-case-3"],
.aisuite #tc-case-4:focus-visible ~ .tc-case-tabs label[for="tc-case-4"] { outline: 2px solid var(--focus, var(--signal-700)); outline-offset: -2px; border-radius: 3px; }
.aisuite .tc-case { display: none; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(20px, 2.4vw, 30px) clamp(28px, 4vw, 56px); align-items: start; padding-top: clamp(24px, 2.8vw, 36px); }
.aisuite #tc-case-1:checked ~ .tc-case-list > .tc-case:nth-child(1),
.aisuite #tc-case-2:checked ~ .tc-case-list > .tc-case:nth-child(2),
.aisuite #tc-case-3:checked ~ .tc-case-list > .tc-case:nth-child(3),
.aisuite #tc-case-4:checked ~ .tc-case-list > .tc-case:nth-child(4) { display: grid; animation: tc-case-in .45s var(--ease) both; }
@keyframes tc-case-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.aisuite .tc-case-text h3 { margin-bottom: 14px; font-size: clamp(20px, 1.8vw, 24px); line-height: 1.3; }
.aisuite .tc-case-text dl > div + div { margin-top: 14px; }
.aisuite .tc-case-text dt { margin-bottom: 2px; font-family: var(--mono); font-size: 12.5px; letter-spacing: .02em; color: var(--accent-ink); }
.aisuite .tc-case-text dd { font-size: 14.5px; line-height: 1.85; color: var(--fg-2); }
.aisuite .tc-case-fig { margin: 0; padding: clamp(10px, 1.2vw, 16px); border-radius: 14px; background: var(--bg-3); }
.aisuite .tc-case-fig img { width: 100%; border-radius: 8px; background: #fff; box-shadow: 0 18px 40px -30px rgba(10, 43, 76, .55); }
.aisuite .tc-case-fig figcaption { margin-top: 10px; font-size: 12.5px; line-height: 1.6; text-align: center; color: var(--fg-3); }
.aisuite .tc-msg { border-radius: 8px; overflow: hidden; background: #fff; box-shadow: 0 18px 40px -30px rgba(10, 43, 76, .55); }
.aisuite .tc-msg-bar { display: flex; align-items: center; gap: 22px; min-height: 42px; padding: 0 18px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--fg-3); }
.aisuite .tc-msg-bar b { align-self: stretch; display: inline-flex; align-items: center; font-weight: 600; color: var(--signal-700); box-shadow: inset 0 -2px 0 var(--signal-700); }
.aisuite .tc-msg ul { display: grid; gap: 8px; padding: 14px 16px 18px; }
.aisuite .tc-msg li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 0 12px; align-items: center; padding: 10px 14px; border: 1px solid var(--line); border-radius: 6px; }
.aisuite .tc-msg li::before { content: ''; grid-row: span 2; width: 30px; height: 30px; border-radius: 7px; background-color: var(--signal-500); background-image: radial-gradient(circle at 34% 50%, #fff 0 1.7px, transparent 2.1px), radial-gradient(circle at 50% 50%, #fff 0 1.7px, transparent 2.1px), radial-gradient(circle at 66% 50%, #fff 0 1.7px, transparent 2.1px); }
.aisuite .tc-msg li b { display: flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; line-height: 1.5; color: var(--fg-2); }
.aisuite .tc-msg li.is-new b { color: var(--fg); }
.aisuite .tc-msg li.is-new b::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--signal-500); }
.aisuite .tc-msg li span { font-size: 12.5px; line-height: 1.6; color: var(--fg-2); }
.aisuite .tc-route { grid-column: 1 / -1; display: grid; grid-template-columns: 76px minmax(0, 1fr); align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--line); }
.aisuite .tc-route .mono { font-size: 12.5px; color: var(--fg-3); }
.aisuite .tc-route ol { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 4px; counter-reset: tc-step; }
.aisuite .tc-route li { counter-increment: tc-step; padding: 8px 12px 10px; border-radius: 4px; background: var(--bg-2); font-size: 13.5px; line-height: 1.5; color: var(--fg); }
.aisuite .tc-route li::before { content: counter(tc-step, decimal-leading-zero); display: block; font-family: var(--mono); font-size: 11.5px; color: var(--accent-ink); }

/* ---------- 08 生产基线 ---------- */
.aisuite .tc-prod { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px clamp(32px, 5vw, 72px); align-items: start; }
.aisuite .tc-prod > div > .mono { padding-bottom: 12px; border-bottom: 1px solid var(--line-2); font-size: 12.5px; color: var(--accent-ink); }
.aisuite .tc-gates li { padding-block: 15px 16px; border-bottom: 1px solid var(--line); }
.aisuite .tc-gates h3 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; font-size: 16px; line-height: 1.5; }
.aisuite .tc-gates h3 small { font-family: var(--mono); font-size: 12.5px; font-weight: 500; color: var(--accent-ink); }
.aisuite .tc-gates p { margin-top: 2px; font-size: 14px; line-height: 1.75; }
.aisuite .tc-base dl > div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 4px 14px; align-items: baseline; padding-block: 13px 14px; border-bottom: 1px solid var(--line); }
.aisuite .tc-base dt { font-family: var(--serif); font-weight: 600; font-size: 16px; line-height: 1.5; color: var(--fg); }
.aisuite .tc-base dd { font-size: 14px; line-height: 1.75; color: var(--fg-2); }

/* ---------- 小结 ---------- */
.aisuite .tc-sum h2 { max-width: 24em; font-size: clamp(26px, 2.6vw, 36px); line-height: 1.32; }
.aisuite .tc-sum-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: clamp(28px, 3vw, 44px); border-top: 1px solid var(--line-2); }
.aisuite .tc-sum-cols li { padding: 20px clamp(14px, 2vw, 28px) 0 0; }
.aisuite .tc-sum-cols li + li { padding-left: clamp(14px, 2vw, 28px); border-left: 1px solid var(--line); }
.aisuite .tc-sum-cols b { display: block; font-family: var(--serif); font-weight: 600; font-size: clamp(18px, 1.5vw, 20px); line-height: 1.4; color: var(--fg); }
.aisuite .tc-sum-cols span { display: block; margin-top: 4px; font-size: 14.5px; line-height: 1.8; color: var(--fg-2); }

/* ---------- 09 在北斗体系里 ---------- */
.aisuite .tc-map { display: grid; gap: 10px; }
.aisuite .tc-map-row { position: relative; display: grid; grid-template-columns: 56px minmax(0, 4fr) minmax(0, 7fr) 20px; gap: 4px clamp(14px, 2vw, 24px); align-items: center; min-height: 62px; padding: 12px clamp(16px, 2vw, 24px); border: 1px solid var(--line-2); border-radius: 12px; background: #fff; transition: border-color .25s, background-color .25s; }
.aisuite .tc-map-row::after { content: ''; position: absolute; left: 50%; bottom: -11px; width: 1px; height: 10px; background: var(--line-2); }
.aisuite .tc-map-row .mono { font-size: 12.5px; color: var(--fg-3); }
.aisuite .tc-map-row b { font-family: var(--serif); font-weight: 600; font-size: clamp(17px, 1.4vw, 19px); line-height: 1.4; color: var(--fg); transition: color .2s; }
.aisuite .tc-map-row em { font-style: normal; font-size: 14px; line-height: 1.7; color: var(--fg-2); }
.aisuite .tc-map-row > i, .aisuite .tc-map-cell b i { font-style: normal; font-family: var(--sans); font-size: 15px; color: var(--fg-3); transition: transform .3s var(--ease), color .2s; }
.aisuite .tc-map-row:hover, .aisuite a.tc-map-cell:hover { border-color: var(--accent); }
.aisuite .tc-map-row:hover b, .aisuite a.tc-map-cell:hover b { color: var(--accent-ink); }
.aisuite .tc-map-row:hover > i, .aisuite a.tc-map-cell:hover b i { transform: translateX(4px); color: var(--accent-ink); }
.aisuite .tc-map-base { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.aisuite .tc-map-cell { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: clamp(16px, 2vw, 24px); border: 1px solid var(--line-2); border-radius: 12px; background: var(--bg-2); transition: border-color .25s; }
.aisuite .tc-map-cell b { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; width: 100%; margin-top: 4px; font-family: var(--serif); font-weight: 600; font-size: clamp(17px, 1.4vw, 19px); line-height: 1.4; color: var(--fg); transition: color .2s; }
.aisuite .tc-map-cell p { font-size: 14px; line-height: 1.75; }
.aisuite .tc-map-cell small { margin-top: auto; padding-top: 8px; font-size: 12.5px; line-height: 1.6; color: var(--fg-3); }
.aisuite .tc-map-cell.is-here { border-color: transparent; background: var(--blue-static); --fg: #fff; --fg-2: rgba(255, 255, 255, .92); --fg-3: rgba(255, 255, 255, .84); --accent-ink: var(--signal-200); }
.aisuite .tc-map-note { max-width: 62em; margin-top: 4px; font-size: 13.5px; line-height: 1.8; color: var(--fg-3); }
.aisuite .tc-map + .triad { margin-top: clamp(28px, 3vw, 44px); }

/* ---------- 响应式 ---------- */
@media (max-width: 1023px) {
  .aisuite .tc-rig { width: min(100%, 560px); margin-inline: auto; }
  .aisuite .tc-rig-cols li { min-height: 150px; }
  .aisuite .tc-shift { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .aisuite .tc-shift-say { grid-column: 1 / -1; }
  .aisuite .tc-pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 26px; border-top: 0; }
  .aisuite .tc-pillars li { border-top: 1px solid var(--line-2); }
  .aisuite .tc-pillars li:nth-child(odd) { padding-left: 0; border-left: 0; }
  .aisuite .tc-pillars li:nth-child(odd)::before { left: 0; }
  .aisuite .tc-skills { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .aisuite .tc-stairs { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .aisuite .tc-stairs li { min-height: 0; border-radius: 8px; }
  .aisuite .tc-stairs li > p:last-child { padding-top: 10px; }
  .aisuite .tc-stairs-axis { display: none; }
  .aisuite .tc-concepts, .aisuite .tc-prod { grid-template-columns: minmax(0, 1fr); }
  .aisuite :is(.tc-stations, .tc-rail) { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 26px; border-top: 0; }
  .aisuite :is(.tc-stations, .tc-rail) li { border-top: 1px solid var(--line-2); }
  .aisuite :is(.tc-stations, .tc-rail) li:nth-child(odd) { padding-left: 0; border-left: 0; }
  .aisuite :is(.tc-stations, .tc-rail) li:nth-child(odd)::before { left: 0; }
  .aisuite .tc-kit { grid-template-columns: minmax(0, 1fr); }
  .aisuite .tc-kit-name { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .24); }
  .aisuite .tc-kit ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .aisuite .tc-kit li:nth-child(3) { border-left: 0; }
  .aisuite .tc-kit li:nth-child(n + 3) { border-top: 1px solid rgba(255, 255, 255, .24); }
  .aisuite .tc-case { grid-template-columns: minmax(0, 1fr); }
  .aisuite .tc-route ol { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .aisuite .tc-map-row { grid-template-columns: 56px minmax(0, 1fr) 20px; }
  .aisuite .tc-map-row em { grid-column: 2 / 3; }
  .aisuite .tc-map-row > i { grid-row: 1; grid-column: 3; }
}
@media (max-width: 640px) {
  .aisuite .tc-rig-top { padding: 14px 16px 16px; }
  .aisuite .tc-rig-top .tag { right: 14px; top: 14px; }
  .aisuite .tc-rig-cols { gap: 8px; padding-inline: 10px; }
  .aisuite .tc-rig-cols li { min-height: 132px; padding-inline: 2px; }
  .aisuite .tc-rig-cols li::before { inset: 0 -3px; }
  .aisuite .tc-rig-cols small { font-size: 10.5px; letter-spacing: 0; }
  .aisuite .tc-rig-cols b { font-size: 13.5px; }
  .aisuite .tc-rig-cols span { font-size: 11.5px; }
  .aisuite .tc-rig-base { padding: 10px 16px; }
  .aisuite .tc-shift { grid-template-columns: minmax(0, 1fr); }
  .aisuite .tc-shift-now { border-left: 0; border-top: 1px solid var(--line); }
  .aisuite .tc-shift-now::before { left: 50%; top: 0; margin-left: -14px; transform: rotate(90deg); }
  .aisuite .tc-pillars, .aisuite :is(.tc-stations, .tc-rail) { grid-template-columns: minmax(0, 1fr); row-gap: 0; border-top: 1px solid var(--line-2); }
  /* nth-child(n) 只为压过上一档里奇数项的写法 */
  .aisuite .tc-pillars li:nth-child(n), .aisuite :is(.tc-stations, .tc-rail) li:nth-child(n) { padding: 16px 0 18px 22px; border-top: 0; border-left: 1px solid var(--line-2); }
  .aisuite .tc-pillars li:nth-child(n)::before, .aisuite :is(.tc-stations, .tc-rail) li:nth-child(n)::before { left: -4px; top: 23px; }
  .aisuite .tc-pillars, .aisuite :is(.tc-stations, .tc-rail) { border-top: 0; }
  .aisuite .tc-skills { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .aisuite .tc-flowline { display: grid; gap: 26px; justify-items: start; }
  .aisuite .tc-flowline li + li { margin-left: 0; }
  .aisuite .tc-flowline li + li::before { content: '↓'; left: 18px; top: -24px; }
  .aisuite .tc-terms > div { grid-template-columns: 78px minmax(0, 1fr); }
  .aisuite .tc-terms .tc-eg { grid-column: 2; }
  .aisuite .tc-kit ul { grid-template-columns: minmax(0, 1fr); }
  .aisuite .tc-kit li + li { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .24); }
  .aisuite .tc-rules, .aisuite .tc-sum-cols, .aisuite .tc-map-base { grid-template-columns: minmax(0, 1fr); }
  .aisuite .tc-sum-cols { border-top: 0; }
  .aisuite .tc-sum-cols li, .aisuite .tc-sum-cols li + li { padding: 16px 0; border-left: 0; border-top: 1px solid var(--line-2); }
  .aisuite .tc-case-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 12px; border-bottom: 0; }
  .aisuite .tc-case-tabs label { min-height: 50px; padding-right: 0; border-bottom: 1px solid var(--line-2); font-size: 14.5px; }
  .aisuite .tc-case-tabs label::after { right: 0; }
  .aisuite .tc-route { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .aisuite .tc-route ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .aisuite .tc-base dl > div { grid-template-columns: minmax(0, 1fr); }
  .aisuite .tc-map-row { grid-template-columns: minmax(0, 1fr) 20px; padding-block: 14px; }
  .aisuite .tc-map-row .mono { grid-column: 1 / -1; }
  .aisuite .tc-map-row em { grid-column: 1 / 2; }
  .aisuite .tc-map-row > i { grid-row: 2; grid-column: 2; }
}

@media print {
  .aisuite .tc-case-tabs { display: none; }
  .aisuite .tc-case { display: grid !important; break-inside: avoid; }
}