:root {
  --paper: #f7f5ef;
  --paper-deep: #efede5;
  --ink: #20231f;
  --muted: #74776f;
  --line: rgba(34, 38, 32, 0.12);
  --white: #fffefa;
  --coral: #f17358;
  --coral-dark: #ce5138;
  --sage: #b8c8ad;
  --yellow: #f0c96a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: radial-gradient(circle at 91% 4%, rgba(240, 201, 106, 0.19), transparent 25rem), var(--paper);
  color: var(--ink);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

a { color: inherit; text-decoration: none; }

.site-header {
  width: min(1240px, calc(100% - 48px));
  min-height: 84px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 12px; justify-self: start; }
.brand-mark { width: 40px; height: 40px; position: relative; border: 1px solid var(--ink); border-radius: 50%; display: block; }
.brand-mark i { position: absolute; left: 9px; width: 21px; height: 1px; background: var(--ink); transform-origin: left center; }
.brand-mark i:nth-child(1) { top: 12px; transform: rotate(11deg); }
.brand-mark i:nth-child(2) { top: 19px; transform: rotate(-9deg); width: 17px; }
.brand-mark i:nth-child(3) { top: 26px; transform: rotate(7deg); width: 13px; }
.brand b { display: block; font-family: Arial, sans-serif; font-size: 14px; letter-spacing: 0.16em; }
.brand small { display: block; color: var(--muted); font-size: 10px; letter-spacing: 0.06em; margin-top: 3px; }

nav { display: flex; gap: 28px; font-size: 13px; color: #545850; }
nav a, .text-button, .topic-actions a { transition: color 160ms ease; }
nav a:hover, .text-button:hover, .topic-actions a:hover { color: var(--coral-dark); }

.login-button {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 10px 16px 10px 18px;
  font-size: 13px;
  transition: background 160ms ease, color 160ms ease;
}

.login-button:hover, .primary-button:hover { background: var(--ink); color: var(--white); }

.hero {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  min-height: 620px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(42px, 8vw, 110px);
  padding: 70px 0 84px;
}

.eyebrow { display: flex; align-items: center; gap: 10px; color: #64685f; font-size: 12px; letter-spacing: 0.08em; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 6px rgba(241, 115, 88, 0.12); }

.hero h1 {
  margin: 23px 0 24px;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(54px, 6.4vw, 92px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.06em;
}

.hero h1 em { color: var(--coral-dark); font-style: normal; position: relative; }
.hero h1 em::after { content: ""; position: absolute; left: 4px; right: -4px; bottom: -7px; height: 7px; border-top: 2px solid var(--coral-dark); border-radius: 50%; transform: rotate(-1deg); }
.hero-copy > p { max-width: 570px; margin: 0; color: #62665e; font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; margin-top: 38px; }

.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding: 15px 20px 15px 23px;
  border-radius: 999px;
  background: var(--coral);
  color: #201d1b;
  font-size: 14px;
  font-weight: 700;
  transition: background 160ms ease, color 160ms ease;
}

.text-button { font-size: 13px; border-bottom: 1px solid currentColor; padding-bottom: 4px; }

.wind-card {
  min-height: 470px;
  padding: 28px;
  background: rgba(255, 254, 250, 0.76);
  border: 1px solid var(--line);
  border-radius: 34px;
  box-shadow: 0 28px 80px rgba(61, 55, 42, 0.08);
  backdrop-filter: blur(15px);
}

.wind-card-top, .wind-summary { display: flex; justify-content: space-between; align-items: center; }
.wind-card-top > span:first-child { font-size: 13px; font-weight: 700; }
.status-pill { background: var(--paper-deep); color: var(--muted); border-radius: 999px; padding: 8px 11px; font-size: 10px; }

.wind-gauge { width: min(310px, 78%); aspect-ratio: 1; margin: 16px auto 8px; position: relative; display: grid; place-items: center; }
.gauge-ring { position: absolute; border-radius: 50%; }
.ring-one { inset: 12px; border: 1px solid rgba(32, 35, 31, 0.18); }
.ring-two { inset: 42px; border: 1px dashed rgba(32, 35, 31, 0.18); }
.gauge-ring::before, .gauge-ring::after { content: ""; position: absolute; background: var(--paper); z-index: 1; }
.ring-one::before { width: 1px; height: 100%; left: 50%; }
.ring-one::after { height: 1px; width: 100%; top: 50%; }
.gauge-needle { position: absolute; width: 44%; height: 2px; left: 50%; top: 50%; background: var(--coral-dark); transform-origin: left center; transform: rotate(var(--needle-angle, 0deg)); z-index: 3; transition: transform 500ms ease; }
.gauge-needle::after { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--coral-dark); position: absolute; right: -3px; top: -4px; }

.gauge-center {
  position: relative;
  z-index: 4;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--line);
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: 0 10px 30px rgba(41, 39, 33, 0.08);
}

.gauge-center strong { font-family: Georgia, serif; font-size: 31px; }
.gauge-center span { color: var(--coral-dark); font-size: 11px; margin-top: 3px; }
.gauge-label { position: absolute; color: #83877e; font-size: 10px; z-index: 2; }
.label-a { left: 0; top: 50%; }
.label-b { right: 0; top: 50%; }
.label-c { left: 50%; top: 3px; transform: translateX(-50%); }

.wind-summary { gap: 12px; border-top: 1px solid var(--line); padding-top: 19px; }
.wind-summary div { flex: 1; }
.wind-summary div + div { border-left: 1px solid var(--line); padding-left: 24px; }
.wind-summary small { display: block; color: var(--muted); font-size: 10px; margin-bottom: 7px; }
.wind-summary b { font-size: 14px; }

.topics-section { background: #292d28; color: #f8f6ef; padding: 90px max(24px, calc((100vw - 1240px) / 2)); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 38px; }
.section-kicker { color: var(--yellow); font: 700 11px/1 Arial, sans-serif; letter-spacing: 0.2em; }
.section-heading h2 { margin: 12px 0 0; font: 600 clamp(34px, 4vw, 54px)/1.15 "Noto Serif TC", serif; letter-spacing: -0.04em; }
.section-heading p { margin: 0; color: #b9bdb4; font-size: 12px; }
.topic-list { border-top: 1px solid rgba(255,255,255,0.16); }

.topic-card { min-height: 245px; display: grid; grid-template-columns: 88px 1fr 180px; gap: 32px; padding: 34px 0; border-bottom: 1px solid rgba(255,255,255,0.16); }
.topic-rank { color: var(--yellow); font: 400 32px/1 Georgia, serif; }
.topic-meta { display: flex; align-items: center; gap: 16px; color: #b9bdb4; font-size: 10px; }
.topic-meta span:not(:last-child)::after { content: ""; display: inline-block; width: 3px; height: 3px; margin-left: 16px; border-radius: 50%; background: #777c73; vertical-align: middle; }
.topic-meta .trend-up { color: #a9d09a; }
.topic-main h3 { max-width: 720px; margin: 15px 0 12px; font: 600 clamp(24px, 2.5vw, 35px)/1.35 "Noto Serif TC", serif; letter-spacing: -0.025em; }
.topic-main > p { max-width: 750px; color: #c2c6bd; font-size: 13px; line-height: 1.8; }
.topic-actions { display: flex; flex-wrap: wrap; gap: 13px 26px; margin-top: 22px; font-size: 12px; }
.topic-actions a:first-child { color: var(--yellow); }
.topic-actions .threads-search-link { color: #cbd7ff; }
.topic-actions .threads-search-link:hover { color: #fff; }
.topic-stats { display: flex; align-items: center; justify-content: end; gap: 20px; }

.heat-orbit { width: 92px; height: 92px; border-radius: 50%; background: conic-gradient(var(--coral) var(--heat), rgba(255,255,255,0.12) 0); position: relative; display: grid; place-content: center; text-align: center; }
.heat-orbit::before { content: ""; position: absolute; inset: 5px; border-radius: 50%; background: #292d28; }
.heat-orbit strong, .heat-orbit span { position: relative; z-index: 1; }
.heat-orbit strong { font: 26px/1 Georgia, serif; }
.heat-orbit span { margin-top: 4px; color: #aeb2aa; font-size: 9px; }
.discussion-count small { display: block; color: #999e95; font-size: 9px; margin-bottom: 6px; }
.discussion-count b { font: 20px/1 Georgia, serif; }

.coral-kicker { color: var(--coral-dark); }

.wind-section {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  padding: 110px 0;
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(60px, 9vw, 130px);
  align-items: start;
}

.wind-intro { position: sticky; top: 36px; }
.wind-intro h2 {
  margin: 17px 0 24px;
  font: 600 clamp(44px, 5vw, 70px)/1.1 "Noto Serif TC", serif;
  letter-spacing: -0.055em;
}
.wind-intro > p { color: #62665e; font-size: 14px; line-height: 1.9; }
.analysis-note { margin-top: 40px; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.analysis-note span, .analysis-note small { display: block; color: var(--muted); font-size: 10px; }
.analysis-note b { display: block; margin: 7px 0 12px; font-size: 14px; }

.pulse-board { padding: 34px; background: var(--white); border: 1px solid var(--line); border-radius: 28px; box-shadow: 0 24px 70px rgba(57, 52, 41, 0.06); }
.pulse-board-head { display: flex; justify-content: space-between; align-items: end; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.pulse-board-head small { display: block; color: var(--muted); font-size: 10px; margin-bottom: 5px; }
.pulse-board-head strong { font: 700 13px/1 Arial, sans-serif; letter-spacing: 0.13em; }
.pulse-board-head > span { color: var(--muted); font: 10px/1 Arial, sans-serif; }
.keyword-list { padding: 18px 0 10px; }
.keyword-row { min-height: 56px; display: grid; grid-template-columns: 30px minmax(100px, 0.8fr) 1fr 48px; align-items: center; gap: 14px; }
.keyword-rank { color: #a2a69d; font: 12px/1 Georgia, serif; }
.keyword-row b { font-size: 13px; }
.keyword-threads-link { display: inline-flex; align-items: center; gap: 5px; }
.keyword-threads-link span { color: var(--coral-dark); font-size: 10px; }
.keyword-threads-link:hover { color: var(--coral-dark); }
.keyword-track { height: 4px; border-radius: 999px; background: var(--paper-deep); overflow: hidden; }
.keyword-track i { display: block; height: 100%; background: linear-gradient(90deg, var(--coral), var(--yellow)); border-radius: inherit; }
.keyword-change { color: var(--coral-dark); font: 11px/1 Georgia, serif; text-align: right; }

.stance-panel { padding: 24px; margin-top: 18px; background: #f1efe7; border-radius: 19px; }
.stance-title { display: flex; justify-content: space-between; align-items: center; }
.stance-title span { color: var(--muted); font-size: 10px; }
.stance-title b { font-size: 13px; }
.stance-bar { height: 12px; display: flex; gap: 2px; margin: 21px 0 14px; overflow: hidden; border-radius: 999px; }
.stance-bar span { display: block; }
.support { background: var(--coral); }
.doubt { background: #71836c; }
.neutral { background: var(--yellow); }
.stance-legend { display: flex; gap: 24px; color: #666a62; font-size: 10px; }
.stance-legend span { display: flex; align-items: center; gap: 5px; }
.stance-legend i { width: 6px; height: 6px; border-radius: 50%; }
.support-dot { background: var(--coral); }
.doubt-dot { background: #71836c; }
.neutral-dot { background: var(--yellow); }
.stance-legend b { color: var(--ink); margin-left: 2px; }

.opinions-section { padding: 105px max(24px, calc((100vw - 1240px) / 2)); background: #e9eee6; }
.light-heading { margin-bottom: 44px; }
.light-heading h2 { color: var(--ink); }
.light-heading p { color: #6d726b; }
.opinion-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.opinion-card { min-height: 318px; padding: 25px; display: flex; flex-direction: column; background: rgba(255, 254, 250, 0.8); border: 1px solid rgba(37, 44, 36, 0.09); border-radius: 22px; transition: transform 180ms ease, box-shadow 180ms ease; }
.opinion-card:hover { transform: translateY(-4px); box-shadow: 0 18px 50px rgba(49, 58, 47, 0.08); }
.opinion-2 { background: #fff3e1; transform: rotate(-1.2deg); }
.opinion-2:hover { transform: rotate(-1.2deg) translateY(-4px); }
.opinion-3 { background: #f6f3ec; }
.opinion-user { display: flex; align-items: center; gap: 11px; }
.avatar { width: 39px; height: 39px; display: grid; place-content: center; border-radius: 50%; background: var(--ink); color: var(--white); font: 14px/1 "Noto Serif TC", serif; }
.opinion-user b, .opinion-user small { display: block; }
.opinion-user b { font-size: 12px; }
.opinion-user small { color: var(--coral-dark); font-size: 9px; margin-top: 4px; }
.quote-mark { margin-left: auto; color: rgba(32,35,31,0.15); font: 46px/1 Georgia, serif; }
.opinion-card blockquote { margin: 35px 0 28px; font: 600 20px/1.8 "Noto Serif TC", serif; letter-spacing: -0.018em; }
.opinion-footer { display: flex; align-items: center; gap: 16px; margin-top: auto; padding-top: 17px; border-top: 1px solid var(--line); color: #73776f; font-size: 9px; }
.opinion-footer a { margin-left: auto; color: var(--ink); font-weight: 700; }
.opinion-prompt { margin-top: 34px; display: flex; align-items: center; justify-content: center; gap: 22px; }
.opinion-prompt > span { color: #686d65; font: 13px/1 "Noto Serif TC", serif; }
.outline-button { display: inline-flex; align-items: center; gap: 26px; padding: 12px 16px; border: 1px solid var(--ink); border-radius: 999px; font-size: 11px; transition: background 160ms ease, color 160ms ease; }
.outline-button:hover { background: var(--ink); color: var(--white); }

.ai-section { padding: 110px max(24px, calc((100vw - 1240px) / 2)); background: #252925; color: #f6f4ed; }
.ai-heading { display: grid; grid-template-columns: 1fr 0.78fr; gap: 80px; align-items: end; margin-bottom: 48px; }
.ai-label { display: flex; align-items: center; gap: 9px; color: #dfbd65; font: 700 10px/1 Arial, sans-serif; letter-spacing: 0.18em; }
.ai-label i { width: 8px; height: 8px; border: 1px solid #dfbd65; border-radius: 50%; box-shadow: 0 0 16px #dfbd65; }
.ai-heading h2 { margin: 18px 0 0; font: 600 clamp(42px, 5vw, 68px)/1.12 "Noto Serif TC", serif; letter-spacing: -0.055em; }
.ai-heading > p { margin: 0; color: #b8bdb5; font-size: 13px; line-height: 1.9; }
.history-card { padding: 36px; border: 1px solid rgba(255,255,255,0.15); border-radius: 28px; background: radial-gradient(circle at 75% 5%, rgba(240,201,106,0.11), transparent 30rem), #2c302c; }
.history-card-head { display: flex; align-items: end; justify-content: space-between; padding-bottom: 27px; border-bottom: 1px solid rgba(255,255,255,0.13); }
.history-card-head small, .history-card-head b { display: block; }
.history-card-head small { color: #9ea49b; font-size: 9px; margin-bottom: 8px; }
.history-card-head b { font: 600 20px/1.3 "Noto Serif TC", serif; }
.history-card-head > span { padding: 8px 11px; border: 1px solid rgba(240,201,106,0.45); border-radius: 999px; color: #dfbd65; font-size: 9px; }

.history-line { display: grid; grid-template-columns: repeat(3, 1fr); padding: 48px 0 52px; }
.history-line article { position: relative; padding-right: 38px; }
.history-line article::before { content: ""; position: absolute; left: 0; right: 0; top: 39px; height: 1px; background: rgba(255,255,255,0.18); }
.history-line article:last-child::before { right: 70%; }
.history-line .year { color: #c2c7bf; font: 12px/1 Georgia, serif; }
.history-line article > i { position: relative; z-index: 1; width: 11px; height: 11px; display: block; margin: 20px 0; border-radius: 50%; border: 3px solid #2c302c; background: #858c82; box-shadow: 0 0 0 1px #858c82; }
.history-line .history-now > i { background: var(--coral); box-shadow: 0 0 0 1px var(--coral), 0 0 22px rgba(241,115,88,0.5); }
.history-line h3 { margin: 0 0 10px; font: 600 17px/1.4 "Noto Serif TC", serif; }
.history-line p { max-width: 280px; margin: 0; color: #aeb4ab; font-size: 11px; line-height: 1.75; }
.history-now .year, .history-now h3 { color: #f5c06d; }

.forecast-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 18px; }
.pattern-card, .forecast-card { padding: 27px; border-radius: 19px; }
.pattern-card { background: #f0c96a; color: #252925; }
.pattern-card small { font-size: 9px; }
.pattern-card strong { display: block; margin: 38px 0 17px; font: 600 24px/1.48 "Noto Serif TC", serif; letter-spacing: -0.025em; }
.pattern-card p { margin: 0; color: #61562f; font-size: 11px; line-height: 1.75; }
.forecast-card { background: rgba(255,255,255,0.055); }
.forecast-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.forecast-title small { color: #c6cbc3; font-size: 9px; }
.forecast-title span { color: #97b48d; font-size: 9px; }
.forecast-item { display: grid; grid-template-columns: 38px 1fr; gap: 13px; padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.forecast-item > b { color: var(--coral); font: 18px/1 Georgia, serif; }
.forecast-item strong, .forecast-item span { display: block; }
.forecast-item strong { font-size: 12px; margin-bottom: 7px; }
.forecast-item span { color: #9ca29a; font-size: 9px; }
.ai-disclaimer { margin: 19px 0 0; color: #777e75; font-size: 8px; line-height: 1.6; }

.join-section { min-height: 530px; padding: 90px 24px; position: relative; overflow: hidden; display: grid; place-content: center; text-align: center; background: var(--coral); }
.join-kicker { position: relative; z-index: 2; font: 700 10px/1 Arial, sans-serif; letter-spacing: 0.2em; }
.join-section h2 { position: relative; z-index: 2; margin: 22px 0 17px; font: 600 clamp(45px, 6vw, 76px)/1.12 "Noto Serif TC", serif; letter-spacing: -0.055em; }
.join-section > p { position: relative; z-index: 2; margin: 0; font-size: 13px; }
.join-actions { position: relative; z-index: 2; margin-top: 32px; display: grid; justify-items: center; gap: 12px; }
.join-button { min-width: 170px; display: inline-flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-radius: 999px; background: var(--ink); color: var(--white); font-size: 12px; transition: transform 160ms ease; }
.join-button:hover { transform: translateY(-2px); }
.join-actions small { color: rgba(31,35,30,0.66); font-size: 9px; }
.join-orbit { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); border: 1px solid rgba(32,35,31,0.15); border-radius: 50%; }
.orbit-a { width: 560px; height: 560px; }
.orbit-b { width: 780px; height: 780px; }

footer { min-height: 120px; padding: 28px max(24px, calc((100vw - 1240px) / 2)); display: grid; grid-template-columns: 1fr 1.3fr auto; gap: 30px; align-items: center; background: #f6f3eb; }
.footer-brand { justify-self: start; }
.footer-center { display: grid; justify-items: center; gap: 10px; }
.footer-center p { margin: 0; color: #7a7e76; font-size: 9px; line-height: 1.65; text-align: center; }
.footer-center nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; color: #62675f; font-size: 9px; }
.footer-center nav a:hover { color: var(--coral-dark); }
footer > span { color: #7a7e76; font: 9px/1 Arial, sans-serif; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 55px; }
  .wind-card { min-height: 430px; }
  .topic-card { grid-template-columns: 54px 1fr; }
  .topic-stats { grid-column: 2; justify-content: start; }
  .section-heading { align-items: start; flex-direction: column; }
  .wind-section { grid-template-columns: 1fr; }
  .wind-intro { position: static; }
  .opinion-grid { grid-template-columns: 1fr; }
  .opinion-card { min-height: 260px; }
  .ai-heading { grid-template-columns: 1fr; gap: 30px; }
  .forecast-grid { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr auto; }
  .footer-center { grid-column: 1 / -1; grid-row: 2; justify-items: start; }
  .footer-center p { text-align: left; }
  .footer-center nav { justify-content: flex-start; }
}

@media (max-width: 600px) {
  .site-header, .hero { width: min(100% - 30px, 1240px); }
  .site-header { min-height: 72px; }
  .brand small { display: none; }
  .brand-mark { width: 34px; height: 34px; }
  .login-button { padding: 9px 12px; }
  .login-button span { display: none; }
  .hero { min-height: auto; gap: 44px; padding: 48px 0 62px; }
  .hero h1 { font-size: clamp(48px, 15vw, 68px); }
  .hero-copy > p { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .wind-card { padding: 20px; border-radius: 25px; }
  .topics-section { padding-top: 66px; padding-bottom: 66px; }
  .topic-card { grid-template-columns: 1fr; gap: 15px; padding: 30px 0; }
  .topic-rank { font-size: 24px; }
  .topic-stats { grid-column: 1; justify-content: space-between; }
  .topic-actions { flex-direction: column; gap: 12px; }
  .topic-main h3 { font-size: 26px; }
  .section-heading h2 { font-size: 38px; }
  .wind-section { width: min(100% - 30px, 1240px); padding: 72px 0; gap: 42px; }
  .wind-intro h2 { font-size: 46px; }
  .pulse-board { padding: 20px; border-radius: 22px; }
  .keyword-row { grid-template-columns: 24px 1fr 44px; gap: 9px; padding: 6px 0; }
  .keyword-track { grid-column: 2 / -1; grid-row: 2; }
  .stance-panel { padding: 18px; }
  .stance-legend { gap: 12px; flex-wrap: wrap; }
  .opinions-section, .ai-section { padding-top: 72px; padding-bottom: 72px; }
  .opinion-card { min-height: 300px; }
  .opinion-card blockquote { font-size: 18px; }
  .opinion-prompt { flex-direction: column; }
  .ai-heading h2 { font-size: 43px; }
  .history-card { padding: 22px; border-radius: 22px; }
  .history-card-head { align-items: start; gap: 16px; flex-direction: column; }
  .history-line { grid-template-columns: 1fr; padding: 36px 0; gap: 12px; }
  .history-line article { padding: 0 0 28px 32px; }
  .history-line article::before { width: 1px; height: 100%; left: 5px; right: auto; top: 5px; }
  .history-line article:last-child::before { height: 14px; right: auto; }
  .history-line article > i { position: absolute; left: 0; top: 0; margin: 0; }
  .history-line p { max-width: none; }
  .pattern-card strong { margin-top: 25px; font-size: 21px; }
  .join-section { min-height: 470px; }
  .orbit-a { width: 420px; height: 420px; }
  .orbit-b { width: 610px; height: 610px; }
  footer { grid-template-columns: 1fr; gap: 18px; }
  footer > p { grid-row: auto; }
  .footer-brand, footer > span { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Live AI trend data */
.live-dot.is-idle { background: #999e95; box-shadow: 0 0 0 6px rgba(116,119,111,0.12); }
.source-count { margin-top: 10px; max-width: 92px; line-height: 1.5; }
.trend-reason-panel p { margin: 18px 0; color: #5f645c; font-size: 12px; line-height: 1.8; }
.reason-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.reason-meta span { padding: 6px 9px; border-radius: 999px; background: rgba(241,115,88,0.1); color: var(--coral-dark); font-size: 9px; }
.opinion-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.opinion-footer span:last-child { margin-left: auto; }
.history-line { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.history-source { display: inline-block; margin-top: 12px; color: #dfbd65; font-size: 9px; }
.data-empty { padding: 44px; border: 1px dashed rgba(255,255,255,0.23); border-radius: 24px; text-align: center; color: #d5d8d1; }
.data-empty b { display: block; font: 600 21px/1.4 "Noto Serif TC", serif; }
.data-empty p { margin: 14px 0 0; color: #aeb3aa; font-size: 11px; line-height: 1.7; }
.data-empty code { padding: 3px 6px; border-radius: 5px; background: rgba(255,255,255,0.08); color: var(--yellow); }
.compact-empty { border-color: rgba(37,44,36,0.16); color: var(--ink); background: rgba(255,254,250,0.38); }
.dark-empty { border-color: rgba(255,255,255,0.18); background: rgba(255,255,255,0.03); }
.mini-empty { padding: 38px 0; color: var(--muted); text-align: center; font-size: 11px; }
.ai-empty { margin: 34px 0; padding: 24px; border-radius: 15px; background: rgba(255,255,255,0.045); color: #9fa59c; font-size: 11px; line-height: 1.7; }
.small-ai-empty { margin: 10px 0; }

@media (max-width: 600px) {
  .data-empty { padding: 30px 20px; }
  .data-empty code { display: block; margin-top: 8px; overflow-wrap: anywhere; }
  .reason-meta { gap: 6px; }
}