/* 公开首页专用样式（在 app.css、theme.css 之后加载，只作用于 body.home）。
   风格沿用网站统一的浅色天空 + 玻璃；首页是“居中大标题 + 一张大的产品演示图”，不用大块深色，
   强调色只用品牌蓝的文字/按钮和绿色取景框。 */
body.home { --frame-c: #2fb98c; --ink: #173e72; --sub: #4f6f8f; }

.frame-mark { --s: 14px; display: inline-block; width: var(--s); height: var(--s); flex: none; vertical-align: -2px; margin-right: 8px;
  background:
    linear-gradient(var(--frame-c), var(--frame-c)) 0 0 / 40% 2px, linear-gradient(var(--frame-c), var(--frame-c)) 0 0 / 2px 40%,
    linear-gradient(var(--frame-c), var(--frame-c)) 100% 0 / 40% 2px, linear-gradient(var(--frame-c), var(--frame-c)) 100% 0 / 2px 40%,
    linear-gradient(var(--frame-c), var(--frame-c)) 0 100% / 40% 2px, linear-gradient(var(--frame-c), var(--frame-c)) 0 100% / 2px 40%,
    linear-gradient(var(--frame-c), var(--frame-c)) 100% 100% / 40% 2px, linear-gradient(var(--frame-c), var(--frame-c)) 100% 100% / 2px 40%;
  background-repeat: no-repeat; }
.frame-mark.big { --s: 34px; margin: 0; }

/* 浅色玻璃面板（取代所有深蓝块） */
body.home .compare-col.after, body.home .partner-band, body.home .cta-band {
  color: var(--ink); border: 1px solid transparent;
  background: radial-gradient(90% 80% at 0% 0%, rgba(255, 255, 255, .7), rgba(255, 255, 255, 0) 55%),
    radial-gradient(70% 70% at 100% 100%, rgba(47, 185, 140, .12), rgba(47, 185, 140, 0) 70%),
    linear-gradient(150deg, rgba(255, 255, 255, .78), rgba(236, 247, 253, .6)) padding-box, var(--rim) border-box;
  box-shadow: 0 1px 1px rgba(22, 64, 112, .05), 0 18px 40px -18px rgba(34, 92, 160, .35), inset 0 1px 0 #fff;
  -webkit-backdrop-filter: blur(24px) saturate(170%); backdrop-filter: blur(24px) saturate(170%); }
body.home .partner-band::after, body.home .cta-band::after { display: none; }

/* ---------- 首屏：居中文案 ---------- */
body.home .hero { padding: 76px 24px 40px; }
.hero-center { max-width: 820px; margin: 0 auto; text-align: center; display: grid; justify-items: center; }
body.home .hero-center { background: none; border: 0; box-shadow: none; padding: 0; -webkit-backdrop-filter: none; backdrop-filter: none; }
body.home .hero .kicker { display: inline-flex; align-items: center; margin: 0 0 20px; padding: 6px 14px; border-radius: 999px; font-size: 13px; letter-spacing: .08em; color: #1f8a63;
  background: rgba(255, 255, 255, .6); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .9), 0 4px 12px -6px rgba(30, 85, 150, .25); }
body.home .hero h1 { font-size: 66px; line-height: 1.1; letter-spacing: -.03em; font-weight: 700; color: var(--ink); margin: 0; }
body.home .hero .lead { font-size: 19px; line-height: 1.7; color: var(--sub); margin: 22px auto 0; max-width: 620px; }
body.home .hero .lead strong { color: var(--ink); font-weight: 600; }
body.home .hero .actions { justify-content: center; margin-top: 32px; }
body.home .hero .actions .button { padding: 13px 28px; font-size: 15px; }
body.home .hero .assure { justify-content: center; margin-top: 20px; gap: 6px 22px; }

/* ---------- 演示：一张大的“产品图” ---------- */
.demo { max-width: 1060px; margin: 56px auto 0; display: grid; gap: 18px; justify-items: center; }
.demo-tabs { display: inline-flex; gap: 4px; padding: 5px; border-radius: 999px;
  background: rgba(255, 255, 255, .55); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .9), 0 8px 24px -12px rgba(30, 85, 150, .35);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
.demo-tabs button { position: relative; overflow: hidden; display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: 999px; font-size: 14px;
  color: var(--sub); background: transparent; border: 0; box-shadow: none; }
.demo-tabs button:hover:not(.on) { color: var(--ink); background: rgba(255, 255, 255, .5); }
.demo-tabs button [data-icon] { width: 16px; height: 16px; display: inline-flex; }
.demo-tabs button.on { color: var(--ink); font-weight: 600; background: #fff; box-shadow: 0 6px 14px -6px rgba(30, 70, 130, .4), inset 0 0 0 1px rgba(47, 185, 140, .45); }
.demo-tabs button.on [data-icon] { color: #1f8a63; }
.demo-tabs button.on::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: 3px; height: 2px; border-radius: 2px; background: var(--frame-c); transform-origin: left; animation: progress var(--dur, 6s) linear forwards; }
@keyframes progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.demo-window { width: 100%; border-radius: 18px; overflow: hidden; background: #fff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .9), 0 0 0 7px rgba(255, 255, 255, .35), 0 30px 60px -24px rgba(25, 70, 130, .4), 0 70px 120px -60px rgba(25, 70, 130, .45); }
.demo-bar { height: 40px; display: flex; align-items: center; gap: 7px; padding: 0 16px; background: #f3f6fa; border-bottom: 1px solid #e6ecf3; }
.demo-bar i { width: 11px; height: 11px; border-radius: 50%; }
.demo-bar i:nth-child(1) { background: #f2a49b; } .demo-bar i:nth-child(2) { background: #f3d08a; } .demo-bar i:nth-child(3) { background: #9fd9b4; }
.demo-bar span { margin: 0 auto; transform: translateX(-24px); font-size: 12.5px; color: #7a8ba1; }
.demo-screen { position: relative; height: 370px; background: #fbfcfe; }
.scene { position: absolute; inset: 0; padding: 34px 40px; display: none; }
.scene.on { display: block; }

.doc, .app { width: 60%; display: grid; gap: 14px; align-content: start; }
.doc h4 { margin: 0; font-size: 20px; color: #17263b; font-family: Georgia, "Times New Roman", serif; font-weight: 600; }
.doc .tx { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 14px; line-height: 1.7; color: #6a7789; }

.target { position: relative; border-radius: 6px; }
.target::after { content: ""; position: absolute; inset: -9px; border-radius: 4px; pointer-events: none; opacity: 0; transform: scale(1.1);
  background:
    linear-gradient(var(--frame-c), var(--frame-c)) 0 0 / 20px 3px, linear-gradient(var(--frame-c), var(--frame-c)) 0 0 / 3px 20px,
    linear-gradient(var(--frame-c), var(--frame-c)) 100% 0 / 20px 3px, linear-gradient(var(--frame-c), var(--frame-c)) 100% 0 / 3px 20px,
    linear-gradient(var(--frame-c), var(--frame-c)) 0 100% / 20px 3px, linear-gradient(var(--frame-c), var(--frame-c)) 0 100% / 3px 20px,
    linear-gradient(var(--frame-c), var(--frame-c)) 100% 100% / 20px 3px, linear-gradient(var(--frame-c), var(--frame-c)) 100% 100% / 3px 20px,
    rgba(47, 185, 140, .07);
  background-repeat: no-repeat; }
.scene.on .target::after { animation: frame-in .7s cubic-bezier(.2, .8, .2, 1) .35s forwards; }
@keyframes frame-in { to { opacity: 1; transform: scale(1); } }

.chart { display: grid; gap: 8px; padding: 10px 8px 4px; }
.chart .cap { font-size: 11.5px; color: #7a8ba1; }
.chart .bars { display: flex; align-items: flex-end; gap: 14px; height: 120px; border-bottom: 1px solid #e3e9f1; padding: 0 8px; }
.chart .bars i { flex: 1; border-radius: 5px 5px 0 0; background: linear-gradient(180deg, #8bb9e8, #4a80c0); }
.chart .bars i:nth-child(4) { background: linear-gradient(180deg, #74e0b8, #27a777); }
.chart .axis { display: flex; gap: 14px; padding: 0 8px; }
.chart .axis b { flex: 1; text-align: center; font-size: 10.5px; font-weight: 500; color: #8a99ad; }

.text { padding: 10px 12px; font-family: Georgia, "Times New Roman", serif; font-size: 16px; line-height: 1.6; color: #17263b; display: grid; }
.text .en, .text .zh { grid-area: 1 / 1; }
.text .zh { font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif; background: #fbfcfe; color: #17263b; opacity: 0; }
.scene.on .text .zh { animation: fade-in .5s ease 1.4s forwards; }

.app { gap: 0; border-radius: 12px; overflow: hidden; box-shadow: 0 0 0 1px #e6ecf3; background: #fff; }
.toolbar { display: flex; gap: 4px; padding: 11px 14px; background: #f3f6fa; border-bottom: 1px solid #e6ecf3; font-size: 13px; color: #4a5b72; }
.toolbar span { padding: 4px 10px; border-radius: 6px; }
.toolbar .btn { background: #fff; box-shadow: 0 0 0 1px #d8e0ea; }
.scene.on .toolbar .btn { animation: btn-glow 1.6s ease 1.2s infinite; }
@keyframes btn-glow { 50% { box-shadow: 0 0 0 1px var(--frame-c), 0 0 0 6px rgba(47, 185, 140, .2); } }
.canvas { padding: 22px; height: 250px; }
.art { position: relative; height: 100%; border-radius: 10px; background: linear-gradient(135deg, #eef4fb, #e1ebf7); overflow: hidden; }
.art i { position: absolute; border-radius: 50%; }
.art i:nth-child(1) { width: 120px; height: 120px; left: 12%; top: 22%; background: rgba(74, 128, 192, .3); }
.art i:nth-child(2) { width: 80px; height: 80px; left: 42%; top: 40%; background: rgba(47, 185, 140, .3); }
.art i:nth-child(3) { width: 160px; height: 40px; border-radius: 20px; right: 10%; top: 18%; background: rgba(243, 208, 138, .5); }
.arrow { position: absolute; left: 47%; top: 60px; width: 64px; height: 3px; background: var(--frame-c); transform-origin: left center; transform: rotate(160deg) scaleX(0); border-radius: 2px; }
.arrow::after { content: ""; position: absolute; right: -2px; top: -5px; border: 6px solid transparent; border-left: 10px solid var(--frame-c); }
.scene.on .arrow { animation: arrow-in .5s ease 1.1s forwards; }
@keyframes arrow-in { to { transform: rotate(160deg) scaleX(1); } }

.table { display: grid; gap: 3px; font-size: 14px; }
.tr { display: flex; justify-content: space-between; padding: 12px 14px; border-radius: 8px; background: #f3f6fa; color: #33445c; }
.tr.th { background: transparent; color: #8a99ad; font-size: 11px; letter-spacing: .08em; padding-top: 0; padding-bottom: 2px; }
.seat-n { display: grid; }
.seat-n b { grid-area: 1 / 1; font-weight: 600; text-align: right; }
.seat-n .full { color: #c0563f; }
.seat-n .open { color: #1f9a6b; opacity: 0; }
.scene.on .seat-n .full { animation: fade-out .3s ease 2.4s forwards; }
.scene.on .seat-n .open { animation: fade-in .3s ease 2.4s forwards; }

.bubble { position: absolute; right: 36px; top: 40px; width: 31%; display: grid; gap: 10px; padding: 16px; border-radius: 16px; font-size: 13.5px; line-height: 1.65;
  background: rgba(255, 255, 255, .97); box-shadow: 0 0 0 1px #e6ecf3, 0 24px 48px -20px rgba(25, 70, 130, .35); opacity: 0; transform: translateY(10px); }
.scene.on .bubble { animation: rise .45s ease 1s forwards; }
.bubble .who { display: flex; align-items: center; gap: 7px; font-weight: 600; color: var(--ink); font-size: 13px; }
.bubble .who i { width: 8px; height: 8px; border-radius: 50%; background: var(--frame-c); box-shadow: 0 0 0 3px rgba(47, 185, 140, .22); }
.bubble .q { justify-self: end; background: #edf3fa; border-radius: 10px; padding: 7px 11px; color: #33445c; }
.bubble .a { border-left: 3px solid var(--frame-c); padding-left: 10px; color: #17263b; }
.bubble .a.alert { opacity: 0; color: #146b4b; font-weight: 600; }
.scene.on .bubble .a.alert { animation: fade-in .3s ease 2.6s forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes fade-in { to { opacity: 1; } }
@keyframes fade-out { to { opacity: 0; } }

/* ---------- 下方版块：少框、多留白 ---------- */
body.home .home-section { padding: 110px 24px; }
body.home .home-section.alt { background: rgba(255, 255, 255, .22); border-color: rgba(255, 255, 255, .45); }
body.home .section-head { margin-bottom: 44px; }
body.home .section-head h2 { font-size: 40px; letter-spacing: -.02em; line-height: 1.2; }
body.home .section-head .eyebrow, body.home .partner-band .eyebrow { display: inline-flex; align-items: center; justify-self: center; color: #1f8a63; }
body.home .section-head .eyebrow::before, body.home .partner-band .eyebrow::before { content: ""; width: 12px; height: 12px; margin-right: 8px;
  background:
    linear-gradient(#2fb98c, #2fb98c) 0 0 / 40% 2px, linear-gradient(#2fb98c, #2fb98c) 0 0 / 2px 40%, linear-gradient(#2fb98c, #2fb98c) 100% 0 / 40% 2px, linear-gradient(#2fb98c, #2fb98c) 100% 0 / 2px 40%,
    linear-gradient(#2fb98c, #2fb98c) 0 100% / 40% 2px, linear-gradient(#2fb98c, #2fb98c) 0 100% / 2px 40%, linear-gradient(#2fb98c, #2fb98c) 100% 100% / 40% 2px, linear-gradient(#2fb98c, #2fb98c) 100% 100% / 2px 40%;
  background-repeat: no-repeat; }

body.home .feature, body.home .moment, body.home .price-card, body.home .privacy-strip > div, body.home .faq details, body.home .compare-col.before {
  background: linear-gradient(180deg, rgba(255, 255, 255, .82), rgba(250, 253, 255, .66)) padding-box, var(--rim) border-box;
  box-shadow: 0 1px 1px rgba(22, 64, 112, .04), 0 12px 28px -16px rgba(34, 92, 160, .3), inset 0 1px 0 #fff; }
body.home .feature::after, body.home .price-card::after { display: none; }

body.home .feature-grid { gap: 14px; }
body.home .feature { grid-template-columns: 44px minmax(0, 1fr); column-gap: 14px; row-gap: 2px; align-items: center; padding: 18px 20px; }
body.home .feature .ico { grid-row: span 2; width: 44px; height: 44px; color: #1f8a63; background: linear-gradient(180deg, #fff, #e6f7f0); }
body.home .feature h3 { font-size: 16px; color: var(--ink); align-self: end; }
body.home .feature p { margin: 0; align-self: start; }

body.home .day-grid { gap: 14px; }
body.home .moment { padding: 20px 22px; gap: 4px; }
body.home .moment .time { color: #1f8a63; font-size: 12px; }
body.home .moment q { margin-top: 10px; }
body.home .moment q::before { border-color: #2fb98c; }
body.home .privacy-strip .ico { color: #1f8a63; background: linear-gradient(180deg, #fff, #e6f7f0); }

/* 对比：左边划掉的 5 步，右边浅色玻璃 + 绿色强调 */
.compare { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; max-width: 900px; margin: 0 auto; }
.compare-col { padding: 28px 30px; border-radius: 22px; display: grid; gap: 12px; align-content: start; }
.compare-col h3 { font-size: 18px; }
.compare-col ol { margin: 0; padding-left: 20px; display: grid; gap: 9px; font-size: 15px; }
.compare-col.before, .compare-col.before h3 { color: #7a8ba1; }
.compare-col.before li { text-decoration: line-through; text-decoration-color: rgba(122, 139, 161, .45); }
body.home .compare-col.after { align-content: center; box-shadow: 0 1px 1px rgba(22, 64, 112, .05), 0 18px 40px -18px rgba(34, 92, 160, .35), inset 0 1px 0 #fff, inset 0 0 0 1.5px rgba(47, 185, 140, .4); }
.compare-col.after h3 { color: #1f8a63; }
.compare-col.after .one { display: flex; align-items: center; font-size: 24px; font-weight: 700; color: var(--ink); margin: 4px 0; }
.compare-col.after .one .frame-mark { --s: 22px; margin-right: 12px; }
.compare-col.after p { color: var(--sub); }

/* 合作：浅色玻璃 */
body.home .partner-band h2 { color: var(--ink); }
body.home .partner-band .eyebrow { justify-self: start; }
body.home .partner-band p { color: var(--sub); opacity: 1; }
body.home .partner-band .facts div { background: rgba(255, 255, 255, .7); border: 1px solid rgba(255, 255, 255, .95); color: var(--sub); box-shadow: 0 6px 16px -10px rgba(34, 92, 160, .3); }
body.home .partner-band .facts strong { color: var(--ink); }

/* 收尾 */
body.home .cta-band { color: var(--ink); }
body.home .cta-band h2 { font-size: 42px; color: var(--ink); }
body.home .cta-band p { color: var(--sub); opacity: 1; }
body.home .cta-band .button.primary { background: linear-gradient(180deg, #4b82c4 0%, #2d5f9f 55%, #234a80 100%) padding-box, linear-gradient(160deg, rgba(255, 255, 255, .85), rgba(120, 170, 225, .5)) border-box; color: #fff; }
#cta-register { margin-top: 4px; }

@media (max-width: 980px) {
  body.home .hero h1 { font-size: 48px; }
  .doc, .app { width: 58%; }
}
@media (max-width: 680px) {
  body.home .hero { padding: 44px 16px 24px; }
  body.home .hero h1 { font-size: 36px; }
  body.home .hero h1 em { display: block; }
  body.home .hero .lead { font-size: 16px; }
  body.home .section-head h2, body.home .cta-band h2 { font-size: 28px; }
  body.home .home-section { padding: 64px 16px; }
  .demo { margin-top: 36px; }
  .demo-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-radius: 18px; width: 100%; }
  .demo-tabs button { justify-content: center; padding: 9px 6px; font-size: 13px; }
  .demo-screen { height: 590px; }
  .scene { padding: 18px; }
  .scene.on { display: grid; gap: 14px; align-content: start; }
  .doc, .app { width: 100%; }
  .bubble { position: static; width: auto; }
  .arrow { display: none; }
  .canvas { height: 150px; }
  .compare { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .scene.on *, .scene.on *::after, .demo-tabs button.on::after { animation-duration: .01s !important; animation-delay: 0s !important; }
}

/* 走出屏幕：去 360 房间（/room）。贴在右侧中间，不挡首屏内容 */
.room-door { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 40; display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  padding: 11px 16px; border-radius: 16px; color: #fff; text-decoration: none; font-size: 14px; font-weight: 600; letter-spacing: .02em;
  background: rgba(23, 62, 114, .9); box-shadow: 0 10px 26px rgba(23, 62, 114, .28); backdrop-filter: blur(8px); transition: transform .2s, background .2s; }
.room-door span { font-size: 12px; font-weight: 400; opacity: .85; }
.room-door:hover { background: #173e72; transform: translateY(-50%) translateX(-3px); }
@media (max-width: 640px) { .room-door { right: 10px; top: auto; bottom: 18px; transform: none; padding: 9px 13px; font-size: 13px; } .room-door:hover { transform: none; } }
@view-transition { navigation: auto; }      /* 点“走出屏幕”跳到房间页时平滑过渡，不白屏 */

/* ===== 2026-11-09 合并版：以下取自 Gemini 第二版（演示道具、对比代价标签、5 张价格卡、推广码试算） ===== */
/* 保持浅色天空 + 半透明磨砂玻璃卡片风格，补充演示场景、对比代价标签、推广码试算器与白瓷书房卡片样式 */
body.home .hero h1 { font-size: clamp(38px, 4.6vw, 60px); line-height: 1.14; }
body.home .hero .lead { max-width: 680px; font-size: 18px; line-height: 1.72; }
body.home .section-head { max-width: 760px; }
body.home .section-head h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.26; }
body.home .section-head p { font-size: 16px; color: var(--sub); margin-top: 4px; }

/* 演示窗口顶部 0 次窗口切换角标与 6 场景自适应 */
.demo-tabs { flex-wrap: wrap; justify-content: center; border-radius: 22px; padding: 6px; gap: 4px; }
.demo-tabs button { padding: 8px 15px; font-size: 13.5px; }
.demo-bar .zero-switch {
  margin: 0 0 0 auto !important;
  transform: none !important;
  font-size: 12px;
  font-weight: 600;
  color: #1f8a63;
  background: rgba(47, 185, 140, .14);
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid rgba(47, 185, 140, .35);
}

/* 演示道具：1. 网页课程作业题  3. 英文统计图与公式  4. 长文翻页连续追问 */
.quiz-box {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  background: #fff;
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px #e3e9f1;
  font-family: Georgia, "Times New Roman", serif;
}
.quiz-q { font-size: 13.5px; line-height: 1.55; color: #17263b; margin: 0; }
.quiz-opts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 12.5px;
  color: #33445c;
}
.quiz-opts span { padding: 5px 9px; border-radius: 6px; background: #f3f6fa; }
.quiz-opts span.correct {
  background: rgba(47, 185, 140, .14);
  color: #146b4b;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(47, 185, 140, .45);
}
.formula-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: #f3f6fa;
  border-radius: 6px;
  font-family: Georgia, serif;
  font-size: 12.5px;
  color: #173e72;
}
.followup-chain {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  background: #fff;
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px #e3e9f1;
}
.followup-prev {
  font-size: 12px;
  color: #5d7ea3;
  background: #f3f6fa;
  padding: 6px 9px;
  border-radius: 6px;
  border-left: 2.5px solid #8bb9e8;
}

/* A04 对比区：保留每一步具体动作 + 右侧代价标签 */
.compare { max-width: 980px; }
.compare-col.before ol { padding-left: 0; list-style: none; gap: 10px; }
.compare-col.before ol li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .45);
  border: 1px solid rgba(120, 160, 205, .22);
  text-decoration: none;
  font-size: 14px;
}
.compare-col.before ol li > s {
  text-decoration: line-through;
  text-decoration-color: rgba(122, 139, 161, .55);
  color: #64788f;
}
.compare-col.before ol li > em {
  font-style: normal;
  font-size: 12px;
  font-weight: 600;
  color: #b0403a;
  background: rgba(208, 96, 90, .12);
  padding: 2px 9px;
  border-radius: 999px;
  flex: none;
}
.compare-col.after .after-list {
  list-style: none;
  padding: 0;
  margin: 6px 0 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--sub);
}
.compare-col.after .after-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .62);
  border: 1px solid rgba(47, 185, 140, .28);
  color: var(--ink);
  font-weight: 500;
}
.compare-col.after .after-list li span.ok {
  font-size: 12px;
  font-weight: 600;
  color: #1f8a63;
  background: rgba(47, 185, 140, .14);
  padding: 2px 9px;
  border-radius: 999px;
  flex: none;
}

/* A08 会员：5 张价格卡自适应网格 */
body.home .price-grid {
  max-width: 1120px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
body.home .price-card { padding: 22px 16px; }
body.home .price-card .amount { font-size: 28px; }
@media (max-width: 1040px) {
  body.home .price-grid { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
}

/* A09 推广码互动小演示（输入推广码 + 切换卡种立减与分成实时联动） */
.promo-interactive {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .68);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .95), 0 6px 16px -10px rgba(34, 92, 160, .25);
  font-size: 13px;
}
.promo-input-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.promo-input-row input {
  width: 150px;
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  background: #fff;
}
.promo-pills { display: flex; gap: 5px; flex-wrap: wrap; }
.promo-pills button.pill-btn {
  min-height: 28px;
  padding: 3px 10px;
  font-size: 12px;
  border-radius: 999px;
}
.promo-pills button.pill-btn.active {
  background: var(--brand-gradient);
  color: #fff;
}
.promo-result-box {
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(47, 185, 140, .1);
  border: 1px solid rgba(47, 185, 140, .35);
  color: var(--ink);
  line-height: 1.6;
}


/* 合并版补充 */
.promo-interactive .promo-pills { margin-bottom: 2px; }
#study .study-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 900px; margin: 0 auto; }
#study .moment h3 { font-size: 17px; }
#study .moment p { margin: 6px 0 0; color: var(--sub); font-size: 14px; }
.study-foot { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 26px 0 0; font-size: 16px; font-weight: 600; color: var(--ink); }
.price-note { text-align: center; color: var(--sub); font-size: 13px; margin: 18px 0 0; }
#room-story .section-head h2 { font-size: clamp(22px, 2.4vw, 28px); }
@media (max-width: 720px) { #study .study-grid { grid-template-columns: minmax(0, 1fr); } }
#how .section-head, #day .section-head { max-width: 1000px; }      /* 长标题一行放下，不让“碎。”“都能框。”单独掉到第二行 */

/* ===== 2026-11-11 精进版 ===== */
/* 首屏演示：灵窗真实运行的截图，一步一步显出来（原页面 → 框住 → 结果） */
.demo-screen.real { height: auto; aspect-ratio: 1500 / 803; background: #eef1f5; }
.scene.shots { padding: 0; }
.scene.shots img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: center top; opacity: 0; }
.scene.shots img:first-child { opacity: 1; }
.scene.shots.on img:nth-child(2) { animation: fade-in .5s ease 1.2s forwards; }
.scene.shots.on img:nth-child(3) { animation: fade-in .5s ease 2.7s forwards; }
.scene.shots.two.on img:nth-child(2) { animation: fade-in .6s ease 1.6s forwards; }
.demo-note { text-align: center; margin: 12px 0 0; font-size: 12.5px; color: var(--sub); opacity: .85; }
@media (max-width: 720px) { .scene.shots.on { display: block; } }
/* 对比区下面：自己算一下今天要切多少次窗口 */
.tally { max-width: 980px; margin: 22px auto 0; padding: 14px 18px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 14px; border-radius: 16px; background: rgba(255, 255, 255, .55); border: 1px solid rgba(120, 160, 205, .22); }
.tally-q { font-weight: 600; color: var(--ink); }
.tally-out { flex-basis: 100%; margin: 0; text-align: center; color: var(--sub); font-size: 15px; }
.tally-out b { color: #b0403a; } .tally-out span { color: var(--ink); font-weight: 600; margin-left: 6px; } .tally-out span b { color: #1f8a63; }
.fine { text-align: center; margin: 10px 0 0; font-size: 12.5px; color: var(--sub); opacity: .8; }
/* 能做什么：两组，每组四个 */
.group-label { max-width: 1040px; margin: 22px auto 10px; font-size: 13px; font-weight: 600; letter-spacing: .06em; color: #1f8a63; }
.group-label:first-of-type { margin-top: 0; }
body.home .feature-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 980px) { body.home .feature-grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
/* 三步上手 */
.steps { list-style: none; padding: 0; margin: 0 auto; max-width: 940px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.steps li { position: relative; padding: 20px 22px 18px; border-radius: 18px; background: linear-gradient(180deg, rgba(255, 255, 255, .86), rgba(246, 251, 255, .72)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .95), 0 8px 22px -14px rgba(34, 92, 160, .35); }
.steps b { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; font-size: 14px; color: #fff; background: var(--brand-gradient, #2f6fde); }
.steps h3 { margin: 10px 0 2px; font-size: 17px; color: var(--ink); } .steps p { margin: 0; color: var(--sub); font-size: 14px; }
@media (max-width: 720px) { .steps { grid-template-columns: minmax(0, 1fr); } }
/* 会员：免费版一张，Pro 的共同权益只说一遍，四张卡只比时长和价钱 */
.plan-split { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: minmax(230px, 1fr) minmax(0, 3.2fr); gap: 16px; align-items: stretch; }
.plan-pro { display: grid; gap: 12px; align-content: start; }
.pro-head { margin: 0; padding: 12px 16px; border-radius: 14px; background: rgba(255, 255, 255, .6); border: 1px solid rgba(120, 160, 205, .22); color: var(--ink); font-size: 14.5px; }
.pro-head strong { margin-right: 10px; color: #1f8a63; } .pro-head small { display: block; margin-top: 2px; color: var(--sub); font-size: 12.5px; }
body.home .plan-pro .price-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: none; gap: 12px; }
body.home .price-card .fit { margin: 6px 0 12px; font-size: 13px; color: var(--sub); min-height: 2.9em; }
@media (max-width: 1040px) { .plan-split { grid-template-columns: minmax(0, 1fr); } body.home .plan-pro .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 2026-11-11 第二次修改：价格先看标价、再看推广码价 */
body.home .price-card .list-price { margin: 8px 0 0; font-size: 13.5px; color: var(--sub); }
body.home .price-card .list-price s { color: #8a97a6; text-decoration-thickness: 1.5px; }
body.home .price-card .amount { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; margin-top: 2px; }
body.home .price-card .promo-tag { font-size: 12px; font-weight: 600; color: #1f8a63; background: rgba(47, 185, 140, .14); padding: 2px 8px; border-radius: 999px; }
#partner .button[disabled] { opacity: .65; cursor: default; }
body.home .feature-grid.five { grid-template-columns: repeat(5, minmax(0, 1fr)); }      /* 2026-11-11 盯屏提醒挪回免费：第二组五项 */
@media (max-width: 1100px) { body.home .feature-grid.five { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) { body.home .feature-grid.five { grid-template-columns: minmax(0, 1fr); } }

/* 2026-11-11 识图翻译专区：左边一句话 + 三个实测数字，右边真实的原文 / 译文来回切换 */
.tr-band { max-width: 1080px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 34px; align-items: center; }
.tr-copy { display: grid; gap: 12px; justify-items: start; }
.tr-copy h2 { margin: 0; font-size: clamp(26px, 3vw, 34px); line-height: 1.25; letter-spacing: -.02em; color: var(--ink); }
.tr-copy > p { margin: 0; color: var(--sub); font-size: 16px; line-height: 1.7; }
.tr-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; width: 100%; margin-top: 4px; }
.tr-stats div { padding: 12px 14px; border-radius: 14px; background: rgba(255, 255, 255, .62); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .95), 0 6px 16px -12px rgba(34, 92, 160, .3); font-size: 13px; color: var(--sub); }
.tr-stats strong { display: block; font-size: 19px; color: #1f8a63; margin-bottom: 2px; }
.fine.left { text-align: left; margin: 0; }
.tr-shot { border-radius: 16px; overflow: hidden; background: #fff; box-shadow: 0 0 0 1px #e6ecf3, 0 24px 48px -22px rgba(25, 70, 130, .4); }
.tr-pair { position: relative; aspect-ratio: 1293 / 640; }      /* 不画假的选框：这两张图是翻译结果的真实截图，本身不含灵窗的框 */
.tr-pair img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.tr-pair img:nth-child(2) { animation: tr-swap 7s ease-in-out infinite; }
@keyframes tr-swap { 0%, 22% { opacity: 0; } 32%, 88% { opacity: 1; } 98%, 100% { opacity: 0; } }
@media (max-width: 900px) { .tr-band { grid-template-columns: minmax(0, 1fr); } .tr-stats { grid-template-columns: minmax(0, 1fr); } }
@media (prefers-reduced-motion: reduce) { .tr-pair img:nth-child(2) { animation: none; opacity: 1; } }

/* 2026-11-11 第四次修改 */
.tr-stats strong { font-size: 16px; }
.tr-stats div { line-height: 1.55; }
/* Pro 的内容一条条列出来；最后一格留给以后的社区功能 */
.pro-list { padding: 16px 18px; border-radius: 16px; background: rgba(255, 255, 255, .6); border: 1px solid rgba(120, 160, 205, .22); }
.pro-title { margin: 0 0 10px; font-size: 15px; font-weight: 700; color: #1f8a63; }
.pro-list ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px 14px; }
.pro-list li { position: relative; padding-left: 22px; font-size: 13px; color: var(--sub); line-height: 1.5; }
.pro-list li::before { content: ""; position: absolute; left: 2px; top: 5px; width: 10px; height: 6px; border-left: 2px solid #1f8a63; border-bottom: 2px solid #1f8a63; transform: rotate(-45deg); }
.pro-list li b { display: block; font-size: 14.5px; color: var(--ink); }
.pro-list li.soon { opacity: .7; } .pro-list li.soon::before { border: 0; width: 8px; height: 8px; top: 7px; border-radius: 50%; background: #9db4cc; transform: none; }
/* 价格：先看贵的（按月买要多少），再看这张卡的价钱和省下的钱 */
body.home .price-card .was { margin: 8px 0 0; min-height: 1.5em; font-size: 13.5px; color: var(--sub); }
body.home .price-card .was s { font-size: 16px; font-weight: 600; color: #8a97a6; text-decoration-thickness: 2px; }
body.home .price-card .save { margin: 2px 0 0; min-height: 1.6em; font-size: 13px; font-weight: 700; color: #b0403a; }
body.home .price-card .fit { min-height: 1.5em; }
.promo-line { margin: 2px 0 0; text-align: center; font-size: 13.5px; color: var(--ink); }
.cta-row { justify-content: center; gap: 12px; }
@media (max-width: 720px) { .pro-list ul { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 2026-11-12 价格区重做：先给一整个学期的四种买法对比，再给四张卡；每张卡同样的行，不留空 */
.term-compare { padding: 16px 18px; border-radius: 16px; background: rgba(255, 255, 255, .6); border: 1px solid rgba(120, 160, 205, .22); display: grid; gap: 8px; }
.tc-title { margin: 0 0 4px; font-size: 15px; font-weight: 700; color: var(--ink); }
.tc-row { display: grid; grid-template-columns: 128px minmax(0, 1fr) 64px; align-items: center; gap: 12px; font-size: 13.5px; color: var(--sub); }
.tc-row i { display: block; height: 12px; width: var(--w); border-radius: 999px; background: linear-gradient(90deg, #c9d6e4, #aebfd2); }
.tc-row b { text-align: right; font-size: 15px; color: var(--ink); }
.tc-row.best span { color: #1f8a63; font-weight: 700; }
.tc-row.best i { background: linear-gradient(90deg, #5fd0a6, #2fb98c); }
.tc-row.best b { color: #1f8a63; font-size: 17px; }
body.home .plan-stack .price-card { display: flex; flex-direction: column; padding: 18px 16px; }
body.home .plan-stack .price-card h3 { margin: 0; }
body.home .plan-stack .price-card .days { margin: 2px 0 10px; font-size: 13px; color: var(--sub); }
body.home .plan-stack .price-card .list-line { margin: 0; font-size: 14px; color: var(--sub); }
body.home .plan-stack .price-card .list-line b { font-size: 24px; color: var(--ink); margin-left: 4px; }
body.home .plan-stack .price-card .promo-line2 { margin: 8px 0 0; padding: 8px 10px; border-radius: 12px; background: rgba(47, 185, 140, .1); border: 1px dashed rgba(47, 185, 140, .5); display: flex; align-items: center; flex-wrap: wrap; gap: 4px 8px; }
body.home .plan-stack .promo-tag { font-size: 12px; font-weight: 600; color: #1f8a63; }
body.home .plan-stack .promo-price { font-size: 22px; font-weight: 800; color: #1f8a63; }
body.home .plan-stack .save-tag { font-size: 12px; font-weight: 700; color: #fff; background: #d4574e; padding: 2px 8px; border-radius: 999px; }
body.home .plan-stack .price-card .cmp { margin: 10px 0 0; font-size: 13px; color: var(--ink); font-weight: 600; min-height: 2.8em; }
body.home .plan-stack .price-card .perday { margin: 4px 0 0; font-size: 12.5px; color: var(--sub); }
body.home .plan-stack .price-card .fit { margin: 2px 0 12px; font-size: 12.5px; color: var(--sub); min-height: 0; }
body.home .plan-stack .price-card .button { margin-top: auto; }
.promo-note { margin: 0; text-align: center; font-size: 12.5px; color: var(--sub); }
@media (max-width: 720px) { .tc-row { grid-template-columns: 96px minmax(0, 1fr) 52px; } }

/* 2026-11-12 排版：Pro 清单、学期对比各占一整行，下面五张卡并排（免费版在最左） */
.plan-stack { max-width: 1120px; margin: 0 auto; display: grid; gap: 14px; }
body.home .plan-stack .price-grid.five-cards { grid-template-columns: repeat(5, minmax(0, 1fr)); max-width: none; gap: 12px; align-items: stretch; }
body.home .plan-stack .plan-free ul { margin: 6px 0 14px; padding: 0; font-size: 13px; }
body.home .plan-stack .plan-free li { margin: 0 0 6px; }
body.home .plan-stack .plan-free .amount { margin: 6px 0 0; }
body.home .plan-stack .plan-free .button { margin-top: auto; }
@media (max-width: 1100px) { body.home .plan-stack .price-grid.five-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) { body.home .plan-stack .price-grid.five-cards { grid-template-columns: minmax(0, 1fr); } }

/* 2026-11-12 价格卡第三版：划掉的标价（先看见贵的）→ “我们少收”补贴标签 → 全卡最大的到手价 → 每天多少 */
body.home .plan-stack .pro-card h3 small { font-size: 12.5px; font-weight: 400; color: var(--sub); margin-left: 6px; }
body.home .plan-stack .pro-card .list-line { margin: 12px 0 0; font-size: 14px; color: #5d6b7a; }
body.home .plan-stack .pro-card .list-line s { font-size: 26px; font-weight: 700; color: #6b7785; margin-left: 4px; text-decoration: line-through; text-decoration-color: #d4574e; text-decoration-thickness: 2.5px; }
body.home .plan-stack .pro-card .subsidy { margin: 10px 0 0; padding: 6px 10px; border-radius: 10px; background: linear-gradient(90deg, #e8553f, #f08a3c); color: #fff; font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
body.home .plan-stack .pro-card .subsidy span { font-size: 11.5px; font-weight: 600; background: rgba(255, 255, 255, .24); padding: 1px 7px; border-radius: 999px; }
body.home .plan-stack .pro-card .final { margin: 10px 0 0; font-size: 40px; line-height: 1.05; font-weight: 800; color: #1f8a63; display: flex; align-items: baseline; gap: 8px; }
body.home .plan-stack .pro-card .final small { font-size: 12.5px; font-weight: 600; color: #1f8a63; }
body.home .plan-stack .pro-card .perday { margin: 4px 0 0; font-size: 13px; color: var(--ink); font-weight: 600; }
body.home .plan-stack .pro-card .pts { list-style: none; margin: 12px 0 14px; padding: 10px 0 0; border-top: 1px solid rgba(120, 160, 205, .25); font-size: 12.5px; color: var(--sub); display: grid; gap: 5px; }
body.home .plan-stack .pro-card .pts li::before { content: "✓"; color: #1f8a63; font-weight: 700; margin-right: 6px; }
body.home .plan-stack .pro-card.featured { transform: translateY(-10px); box-shadow: 0 0 0 2px #2fb98c, 0 22px 44px -18px rgba(31, 138, 99, .5); }
body.home .plan-stack .best-flag { margin: -18px -16px 12px; padding: 5px 0; text-align: center; font-size: 12.5px; font-weight: 700; color: #fff; background: linear-gradient(90deg, #2fb98c, #1f8a63); border-radius: 18px 18px 0 0; }
body.home .plan-stack .price-grid.five-cards { padding-top: 10px; }

/* 2026-11-12 价格卡第四版：标价是主角（最大、不划线，是真实价格）；按钮之后才是一张小“券”——先看到少付多少（赚到的），再看到只要多少 */
body.home .plan-stack .pro-card .price-main { margin: 12px 0 0; font-size: 44px; line-height: 1.05; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
body.home .plan-stack .pro-card .pts { margin: 12px 0 14px; }
body.home .plan-stack .pro-card .button { margin-top: auto; }
body.home .plan-stack .pro-card .coupon { margin: 12px -4px 0; padding: 8px 10px; border-radius: 10px; border: 1.5px dashed rgba(224, 96, 60, .55); background: rgba(255, 244, 236, .8); display: flex; align-items: baseline; flex-wrap: wrap; gap: 2px 8px; font-size: 12.5px; color: #8a5a3c; }
body.home .plan-stack .pro-card .coupon .c-label { flex-basis: 100%; }
body.home .plan-stack .pro-card .coupon .c-save { font-size: 17px; font-weight: 800; color: #d4472f; }
body.home .plan-stack .pro-card .coupon .c-final { font-size: 14px; font-weight: 700; color: #1f8a63; }
body.home .plan-stack .plan-free ul { font-size: 12.5px; margin: 10px 0 12px; padding-top: 10px; border-top: 1px solid rgba(120, 160, 205, .25); }
body.home .plan-stack .plan-free li { margin: 0 0 5px; }
body.home .plan-stack .plan-free .amount { font-size: 44px; line-height: 1.05; font-weight: 800; margin: 12px 0 0; }
body.home .plan-stack .plan-free .per-day { margin: 6px 0 0; font-size: 12.5px; }
/* 2026-11-12 价格卡第五版：券里只有一个数——推广码价，直接和上面的大标价比（中间不再插“少付多少”） */
body.home .plan-stack .pro-card .coupon { align-items: center; justify-content: space-between; flex-wrap: nowrap; padding: 8px 12px; }
body.home .plan-stack .pro-card .coupon .c-label { flex-basis: auto; font-size: 13px; font-weight: 600; color: #8a5a3c; }
body.home .plan-stack .pro-card .coupon .c-final { font-size: 24px; font-weight: 800; color: #d4472f; }
/* 2026-11-12 推广码小券挪到标价正下方：两个数紧挨着比 */
body.home .plan-stack .pro-card .coupon { margin: 10px -4px 0; }
body.home .plan-stack .pro-card .pts { margin-top: 14px; }

/* 2026-11-12 价格卡第六版：推广码收成标价下面一行安静的小字；“最划算”改成品牌取景框小标，卡片只用柔和的蓝色描边和光晕突出 */
body.home .plan-stack .pro-card .coupon { margin: 6px 0 0; padding: 0; border: 0; background: none; justify-content: flex-start; gap: 6px; align-items: baseline; }
body.home .plan-stack .pro-card .coupon .c-label { font-size: 12.5px; font-weight: 400; color: var(--sub); }
body.home .plan-stack .pro-card .coupon .c-final { font-size: 15px; font-weight: 700; color: #1f8a63; }
body.home .plan-stack .pro-card.featured { transform: none; background: linear-gradient(180deg, #ffffff, #f2f9ff); box-shadow: 0 0 0 1.5px rgba(60, 113, 181, .55), 0 18px 40px -18px rgba(36, 80, 143, .45); }
body.home .plan-stack .pro-card h3 { display: flex; align-items: baseline; flex-wrap: wrap; }
body.home .plan-stack .best-mark { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; letter-spacing: .06em; color: #1f8a63; }
body.home .plan-stack .best-mark .frame-mark { width: 11px; height: 11px; }

/* 2026-11-12 学习那一块的卡片三层：问题（h3）→ 解法（.how，带取景框）→ 具体做法（p），和 3D 房间展柜的卡同一种写法 */
#study .moment .how { display: flex; align-items: center; gap: 0; margin: 10px 0 0; color: #1f6f52; font-size: 15px; font-weight: 600; }
#study .moment .how .frame-mark { flex: none; }
#study .moment .how + p { margin-top: 4px; }

/* 2026-11-12 识图翻译示意第二版（识图翻译那一块 + 首屏“原位翻译”共用）：讲义看得见地往下滚，滚动时译文让开；
   一停下，右上角计时从 0.00 走到 0.18 秒，然后译文一段一段从左往右扫出来，直到看得见的几段都盖回原位 */
.tr-live { display: grid; }
.tr-live .demo-bar span { flex: 1; margin: 0; transform: none; text-align: center; }
.tr-frame { position: relative; margin: 14px; }
.tr-view { position: relative; height: 340px; overflow-y: auto; padding: 14px 18px; border-radius: 10px; background: #fbfcfe; box-shadow: inset 0 0 0 1px #e6ecf3; scrollbar-width: thin; overscroll-behavior: contain; outline: none; }
.tr-p { position: relative; margin: 0 0 16px; font: 15px/1.65 Georgia, "Times New Roman", serif; color: #2c3a48; }
.tr-p .zh { position: absolute; inset: -3px -6px; padding: 3px 6px; border-radius: 6px; background: #f1f8f4; box-shadow: inset 2px 0 0 #2fb98c; color: #1f3346; font: 15px/1.65 "Microsoft YaHei", "PingFang SC", sans-serif; display: flex; align-items: center;
  clip-path: inset(0 0 0 0); opacity: 1; transition: clip-path .42s cubic-bezier(.3, .7, .3, 1), opacity .1s; transition-delay: calc(var(--i, 0) * 150ms); }
.tr-live.moving .tr-p .zh, .tr-live.wait .tr-p .zh { opacity: 0; clip-path: inset(0 100% 0 0); transition: opacity .1s, clip-path 0s .1s; }
.tr-clock { position: absolute; right: 12px; top: 10px; z-index: 2; padding: 4px 11px; border-radius: 999px; font-size: 12.5px; font-weight: 700; color: #1f8a63; background: rgba(255, 255, 255, .94); box-shadow: 0 0 0 1px rgba(47, 185, 140, .35), 0 6px 14px -8px rgba(25, 70, 130, .4); font-variant-numeric: tabular-nums; transition: color .15s, box-shadow .15s; }
.tr-live.moving .tr-clock { color: #8a6a1f; box-shadow: 0 0 0 1px rgba(201, 162, 63, .45), 0 6px 14px -8px rgba(25, 70, 130, .4); }
.tr-live.wait .tr-clock { color: #2f6fde; box-shadow: 0 0 0 1px rgba(47, 111, 222, .4), 0 6px 14px -8px rgba(25, 70, 130, .4); }
.tr-corner { position: absolute; width: 18px; height: 18px; border: 3px solid #2fb98c; pointer-events: none; }
.tr-corner.tl { left: -6px; top: -6px; border-right: 0; border-bottom: 0; border-radius: 6px 0 0 0; }
.tr-corner.tr { right: -6px; top: -6px; border-left: 0; border-bottom: 0; border-radius: 0 6px 0 0; }
.tr-corner.bl { left: -6px; bottom: -6px; border-right: 0; border-top: 0; border-radius: 0 0 0 6px; }
.tr-corner.br { right: -6px; bottom: -6px; border-left: 0; border-top: 0; border-radius: 0 0 6px 0; }
.tr-hint { margin: 0 16px 14px; display: flex; align-items: center; font-size: 12.5px; color: var(--sub); }
/* 首屏里的那份：铺满演示框 */
.scene.tr-scene { padding: 0; background: #eef1f5; }
.scene.tr-scene.on { display: block; }
.tr-scene .tr-live { position: absolute; inset: 0; }
.tr-scene .tr-frame { position: absolute; inset: 5% 20%; margin: 0; }      /* 像一页讲义那么宽：内容比框长，才看得出往下滚 */
.tr-scene .tr-p, .tr-scene .tr-p .zh { font-size: 16px; }
.tr-scene .tr-view { height: 100%; box-sizing: border-box; }
@media (max-width: 720px) { .tr-view { height: 280px; } .tr-p, .tr-p .zh { font-size: 14px; } .tr-scene .tr-frame { inset: 3%; } .tr-scene .tr-p, .tr-scene .tr-p .zh { font-size: 11px; } .tr-clock { font-size: 11px; padding: 3px 8px; } }
@media (prefers-reduced-motion: reduce) { .tr-p .zh { transition: none; } }

/* 2026-11-12 首屏“指给你看”第二版：一个信息很密的英文学校选课门户（按 1000×535 设计，整体缩放到演示框大小），
   绿圈和提示条五步依次落到该点的地方，右下角是灵窗面板列出五步 */
.scene.pf-scene { padding: 0; background: #eef1f5; overflow: hidden; }
.scene.pf-scene.on { display: block; }
.pf-app { position: absolute; left: 0; top: 0; width: 1000px; height: 535px; transform-origin: 0 0; background: #fff; font: 11px/1.35 "Segoe UI", Arial, sans-serif; color: #2b3542; overflow: hidden; }
.pf-head { display: flex; align-items: center; gap: 10px; height: 38px; padding: 0 14px; background: #7a1f2b; color: #fff; }
.pf-logo { font-size: 14px; margin-right: 8px; } .pf-logo small { font-weight: 400; opacity: .8; margin-left: 4px; }
.pf-search { flex: 1; max-width: 330px; padding: 5px 10px; border-radius: 4px; background: rgba(255, 255, 255, .16); color: rgba(255, 255, 255, .75); }
.pf-ico { opacity: .9; } .pf-ico em { font-style: normal; background: #f3c14b; color: #3a2a00; border-radius: 8px; padding: 0 5px; margin-left: 3px; font-size: 10px; }
.pf-me { margin-left: auto; }
.pf-nav { display: flex; gap: 2px; padding: 0 10px; height: 30px; align-items: center; background: #f4f1ef; border-bottom: 1px solid #e3dcd8; }
.pf-nav > * { padding: 5px 9px; border-radius: 4px; font-weight: 400; color: #4a3c3a; }
.pf-alert { padding: 5px 14px; background: #fff7df; border-bottom: 1px solid #f0e2b4; color: #6b5310; }
.pf-body { display: grid; grid-template-columns: 170px minmax(0, 1fr) 150px; height: calc(100% - 95px); }
.pf-side { display: flex; flex-direction: column; gap: 1px; padding: 8px; background: #faf9f8; border-right: 1px solid #ece8e5; }
.pf-side > * { padding: 5px 8px; border-radius: 4px; font-weight: 400; color: #4a4a52; }
.pf-main { padding: 8px 12px; display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.pf-crumb { color: #8a8f98; } .pf-crumb-now { color: #8a8f98; }
.pf-filters { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; padding: 7px 8px; border-radius: 6px; background: #f6f7f9; }
.pf-filters label { display: flex; align-items: center; gap: 4px; color: #5a6270; }
.pf-sel { padding: 3px 7px; border-radius: 4px; background: #fff; box-shadow: inset 0 0 0 1px #d7dce3; font-weight: 400; color: #2b3542; }
.pf-btn { padding: 4px 10px; border-radius: 4px; background: #7a1f2b; color: #fff; font-weight: 600; }
.pf-btn.ghost { background: #fff; color: #4a4f58; box-shadow: inset 0 0 0 1px #d7dce3; font-weight: 400; }
.pf-table { width: 100%; border-collapse: collapse; font-size: 10.5px; }
.pf-table th { text-align: left; padding: 4px 5px; background: #eef0f3; color: #5a6270; font-weight: 600; }
.pf-table td { padding: 4px 5px; border-bottom: 1px solid #eef0f3; white-space: nowrap; }
.pf-table td:last-child { display: flex; gap: 4px; }
.pf-mini, .pf-add { padding: 2px 7px; border-radius: 3px; background: #e9eef6; color: #2f5fa8; font-weight: 400; }
.pf-mini.off { background: #f3f0ea; color: #8a6a1f; } .pf-mini.ghost { background: #fff; box-shadow: inset 0 0 0 1px #d7dce3; color: #6a707a; }
.pf-add { background: #2f6fde; color: #fff; font-weight: 600; }
.pf-foot { margin-top: auto; display: flex; align-items: center; gap: 8px; padding-top: 6px; border-top: 1px solid #eef0f3; color: #5a6270; }
.pf-foot > span:first-child { margin-right: auto; }
.pf-right { padding: 8px 10px; background: #faf9f8; border-left: 1px solid #ece8e5; color: #5a6270; }
.pf-right h6 { margin: 6px 0 4px; font-size: 11px; color: #2b3542; } .pf-right p { margin: 0 0 3px; }
.pf-toast { position: absolute; left: 50%; top: 104px; transform: translateX(-50%); padding: 7px 14px; border-radius: 6px; background: #1f8a63; color: #fff; font-weight: 600; font-size: 12px; display: none; }
/* 每一步点完后页面的变化 */
.pf-scene[data-s="1"] .pf-nav [data-step="1"], .pf-scene[data-s="2"] .pf-nav [data-step="1"], .pf-scene[data-s="3"] .pf-nav [data-step="1"], .pf-scene[data-s="4"] .pf-nav [data-step="1"], .pf-scene[data-s="5"] .pf-nav [data-step="1"] { background: #fff; color: #7a1f2b; font-weight: 700; box-shadow: inset 0 -2px 0 #7a1f2b; }
.pf-scene:not([data-s="0"]):not([data-s="1"]) .pf-side [data-step="2"] { background: #f3e6e8; color: #7a1f2b; font-weight: 700; }
.pf-scene:not([data-s="0"]):not([data-s="1"]) .pf-crumb-now { color: #2b3542; font-weight: 700; }
.pf-scene[data-s="4"] .pf-add, .pf-scene[data-s="5"] .pf-add { background: #1f8a63; }
.pf-scene[data-s="4"] .pf-row, .pf-scene[data-s="5"] .pf-row { background: #eefaf4; }
.pf-scene[data-s="5"] .pf-toast { display: block; }
.pf-scene .pt-ring { position: absolute; border: 3px solid #2fb98c; border-radius: 7px; box-shadow: 0 0 0 5px rgba(47, 185, 140, .2); pointer-events: none; opacity: 0; z-index: 3; transition: left .45s cubic-bezier(.2, .8, .2, 1), top .45s cubic-bezier(.2, .8, .2, 1), width .45s, height .45s, opacity .25s; }
.pf-scene .pt-ring.on { opacity: 1; animation: pt-pulse 1.2s ease-in-out infinite; }
@keyframes pt-pulse { 50% { box-shadow: 0 0 0 10px rgba(47, 185, 140, .08); } }
.pf-scene .pt-tip { position: absolute; z-index: 4; padding: 6px 10px; border-radius: 8px; background: #1f3346; color: #fff; font-size: 12.5px; line-height: 1.4; pointer-events: none; opacity: 0; white-space: nowrap; transition: left .45s cubic-bezier(.2, .8, .2, 1), top .45s cubic-bezier(.2, .8, .2, 1), opacity .25s; box-shadow: 0 8px 18px -8px rgba(10, 20, 35, .5); }
.pf-scene .pt-tip.on { opacity: 1; }
.pf-scene .pt-tip b { color: #7fe0b8; margin-right: 6px; }
.pf-t { cursor: pointer; }
.pf-panel { position: absolute; left: 1.5%; bottom: 3%; width: 32%; z-index: 2; padding: 10px 12px; border-radius: 12px; background: rgba(255, 255, 255, .96); box-shadow: 0 0 0 1px rgba(47, 185, 140, .45), 0 16px 34px -16px rgba(25, 60, 110, .5); font-size: 12.5px; color: var(--sub); display: flex; flex-direction: column; gap: 6px; }
.pf-panel .pt-q { padding: 6px 9px; border-radius: 10px 10px 2px 10px; background: #e8f0fd; color: #22344a; align-self: flex-end; }
.pf-panel ol { margin: 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 3px; }
.pf-panel li { counter-increment: s; display: flex; align-items: center; gap: 7px; padding: 4px 6px; border-radius: 7px; transition: background .25s, color .25s; }
.pf-panel li::before { content: counter(s); flex: none; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; background: #eef1f5; color: #7a8a9a; }
.pf-panel li.now { background: rgba(47, 185, 140, .13); color: #1f3346; font-weight: 600; }
.pf-panel li.now::before { background: #2fb98c; color: #fff; }
.pf-panel li.done { color: #8a99a8; }
.pf-panel li.done::before { content: "✓"; background: #d5efe4; color: #1f8a63; }
.pf-panel .pt-end { margin: 2px 0 0; padding: 5px 8px; border-radius: 7px; background: rgba(47, 185, 140, .13); color: #1f8a63; font-weight: 600; display: none; }
.pf-scene[data-s="5"] .pf-panel .pt-end { display: block; }
@media (max-width: 720px) { .pf-panel { display: none; } .pf-scene .pt-tip { font-size: 11px; white-space: normal; max-width: 200px; } }

/* 2026-11-12 手机上演示框标题别压到左上角三个圆点 */
@media (max-width: 720px) { .demo-bar span { transform: none; margin-left: 8px; font-size: 11.5px; } }