/* ═════════════════════════════════════════════════════
   一城居民半茶客 · 显微镜下的成都茶馆 1900—1950
   公共历史数字展 — 样式
   ═════════════════════════════════════════════════════ */

:root{
  --ink:#2c2115;
  --ink-soft:#52402b;
  --ink-faint:#8a765c;
  --paper:#f0e6d0;
  --paper-2:#e8dab9;
  --paper-line:#d8c8a4;
  --tea:#b0763c;
  --tea-deep:#8a5a2b;
  --red:#a63a2a;
  --bamboo:#6f7a55;
  --dark:#241b10;
  --dark-2:#2b2214;
  --gold:#d9b380;
  --serif:'Noto Serif SC','Songti SC','STSong','SimSun',serif;
  --hand:'Ma Shan Zheng',var(--serif);
  --shadow:0 18px 50px -20px rgba(44,33,21,.35);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--serif);
  background:var(--paper);
  color:var(--ink);
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* 纸张噪点 */
body::after{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:60;opacity:.55;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.25 0 0 0 0 0.19 0 0 0 0 0.11 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection{background:var(--tea);color:#fff}

.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.sec{padding:clamp(72px,9vw,128px) 0;position:relative}
.paper{background:var(--paper)}
.paper-2{background:var(--paper-2)}
.dark{background:var(--dark);color:#eadfc6}
.dark-2{background:var(--dark-2);color:#eadfc6}
.newspaper{background:#ece1c6}
.dark ::selection,.dark-2 ::selection{background:var(--gold);color:var(--dark)}

/* ── 通用标题 ── */
.sec-head{display:flex;align-items:flex-start;gap:20px;margin-bottom:clamp(28px,4vw,48px)}
.sec-kicker{font-size:13px;letter-spacing:.35em;color:var(--tea-deep);text-transform:uppercase;margin-bottom:6px}
.dark .sec-kicker,.dark-2 .sec-kicker{color:var(--gold)}
.sec-head h2{font-size:clamp(26px,4.2vw,42px);font-weight:900;letter-spacing:.06em;line-height:1.3}
.sec-lead{max-width:760px;font-size:clamp(15px,1.6vw,18px);color:var(--ink-soft);margin-bottom:clamp(28px,4vw,52px)}
.dark .sec-lead,.dark-2 .sec-lead,.newspaper .sec-lead{color:#cdbd9c}
.sec-lead b{color:var(--red)}
.dark .sec-lead b,.dark-2 .sec-lead b{color:var(--gold)}

/* 印章 */
.seal{
  flex:none;width:54px;height:54px;display:grid;place-items:center;
  background:var(--red);color:#fdf6e3;font-weight:900;font-size:24px;
  border-radius:8px;transform:rotate(-4deg);
  box-shadow:inset 0 0 0 2px rgba(253,246,227,.5),0 6px 16px -6px rgba(166,58,42,.6);
  font-family:var(--hand);
}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.2,.6,.2,1),transform .9s cubic-bezier(.2,.6,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ═══════ 顶部导航 ═══════ */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:10px clamp(16px,3vw,36px);
  background:rgba(36,27,16,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(217,179,128,.18);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#eadfc6}
.brand-seal{width:32px;height:32px;display:grid;place-items:center;background:var(--red);color:#fdf6e3;border-radius:6px;font-family:var(--hand);font-size:19px;transform:rotate(-4deg)}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.12em;line-height:1.25}
.brand-text em{display:block;font-style:normal;font-size:10px;font-weight:400;letter-spacing:.22em;color:#b7a582}
.topnav{display:flex;gap:2px}
.topnav a{
  color:#cdbd9c;text-decoration:none;font-size:13px;letter-spacing:.1em;
  padding:6px 10px;border-radius:6px;transition:color .25s,background .25s;
}
.topnav a:hover{color:#fff;background:rgba(217,179,128,.12)}
.topnav a.active{color:var(--dark);background:var(--gold)}
.progress{position:absolute;left:0;bottom:-1px;width:100%;height:2px;background:transparent}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--tea),var(--gold))}
@media(max-width:960px){.topnav{display:none}}

/* ═══════ 序 · Hero ═══════ */
.hero{
  min-height:100vh;display:grid;place-items:center;position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 600px at 50% 118%,rgba(176,118,60,.5),transparent 60%),
    radial-gradient(900px 500px at 82% -10%,rgba(111,122,85,.28),transparent 60%),
    linear-gradient(180deg,#1c150c 0%,#241b10 46%,#33251235 100%),
    var(--dark);
  color:#eadfc6;text-align:center;padding:120px 20px 80px;
}
.hero-mist{
  position:absolute;inset:auto -10% -30% -10%;height:60%;
  background:radial-gradient(50% 60% at 50% 100%,rgba(224,203,165,.16),transparent 70%);
  filter:blur(10px);
}
.hero-inner{position:relative;max-width:860px}
.hero-kicker{font-size:12px;letter-spacing:.5em;color:var(--gold);margin-bottom:28px}
.hero-svg{width:min(260px,50vw);color:#e6cf9f;opacity:.95;overflow:visible}
.hero-gaiwan{position:relative;display:inline-block;margin-bottom:10px}
.steam{position:absolute;bottom:78%;width:3px;height:64px;border-radius:3px;
  background:linear-gradient(180deg,transparent,rgba(234,223,198,.5),transparent);
  filter:blur(2px);opacity:0;animation:steam 4.2s ease-in-out infinite}
.steam.s1{left:38%}.steam.s2{left:50%;animation-delay:1.4s;height:80px}.steam.s3{left:62%;animation-delay:2.6s}
@keyframes steam{
  0%{transform:translateY(16px) scaleY(.4) translateX(0);opacity:0}
  35%{opacity:.85}
  100%{transform:translateY(-58px) scaleY(1.25) translateX(8px);opacity:0}
}
.hero-title{font-size:clamp(46px,9vw,104px);font-weight:900;letter-spacing:.08em;line-height:1.15;margin:8px 0 4px;text-shadow:0 8px 40px rgba(0,0,0,.45)}
.hero-title .accent{color:var(--gold)}
.hero-sub{font-size:clamp(15px,2.4vw,22px);letter-spacing:.5em;color:#cdbd9c;margin-bottom:34px}
.hero-scene{font-size:clamp(13px,1.5vw,16px);color:#b7a582;line-height:2.1;max-width:640px;margin:0 auto}
.hero-couplet{
  position:absolute;top:50%;transform:translateY(-50%);right:clamp(20px,3.5vw,64px);z-index:1;
  writing-mode:vertical-rl;display:flex;gap:14px;
  font-family:var(--hand);font-size:clamp(18px,2.2vw,26px);color:rgba(217,179,128,.55);letter-spacing:.3em;
}
@media(max-width:1180px){.hero-couplet{display:none}}
.scroll-hint{display:inline-block;margin-top:56px;width:26px;height:44px;border:2px solid rgba(217,179,128,.55);border-radius:14px;position:relative}
.scroll-hint span{position:absolute;left:50%;top:8px;width:4px;height:9px;margin-left:-2px;border-radius:3px;background:var(--gold);animation:hint 1.8s ease-in-out infinite}
@keyframes hint{0%{transform:translateY(0);opacity:1}70%{transform:translateY(16px);opacity:0}100%{opacity:0}}

/* ═══════ 壹 · 策展 ═══════ */
.intro-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.intro-main .lead{font-size:clamp(16px,1.8vw,19px)}
.intro-main p{margin-bottom:18px;color:var(--ink-soft)}
.intro-main p b,.intro-main .lead b{color:var(--ink)}
.ink-quote{
  margin:26px 0;padding:22px 26px;border-left:4px solid var(--red);
  background:rgba(176,118,60,.08);border-radius:0 10px 10px 0;
}
.ink-quote p{font-size:16px;color:var(--ink)}
.ink-quote cite{display:block;margin-top:10px;font-size:13px;font-style:normal;color:var(--ink-faint)}
.side-title{font-size:15px;letter-spacing:.3em;color:var(--tea-deep);margin-bottom:16px}
.source-list{list-style:none;display:grid;gap:14px}
.source-list li{
  padding:16px 18px;border:1px solid var(--paper-line);border-radius:10px;background:#f5eddb;
  box-shadow:var(--shadow);position:relative;
}
.source-list b{display:block;font-size:15px;line-height:1.5}
.source-list span{display:block;font-size:12.5px;color:var(--ink-faint);margin-top:4px}
.source-list em{
  position:absolute;top:14px;right:14px;font-style:normal;font-size:11px;letter-spacing:.15em;
  color:var(--red);border:1px solid var(--red);border-radius:4px;padding:1px 7px;
}
.side-note{margin-top:22px;padding:18px;border-radius:10px;background:var(--dark);color:#d9c9a6;font-size:14px}
@media(max-width:840px){.intro-grid{grid-template-columns:1fr}}

/* ═══════ 贰 · 数字 ═══════ */
.stat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-bottom:clamp(36px,5vw,64px)}
.stat{
  background:#f5eddb;border:1px solid var(--paper-line);border-radius:12px;padding:22px 14px;text-align:center;
  box-shadow:var(--shadow);transition:transform .35s;
}
.stat:hover{transform:translateY(-6px)}
.stat b{display:block;font-size:clamp(26px,3vw,36px);font-weight:900;color:var(--tea-deep);line-height:1.1}
.stat b i{font-style:normal;font-size:.45em;margin-left:2px;color:var(--ink-faint)}
.stat>span{display:block;margin-top:10px;font-size:12px;color:var(--ink-faint);line-height:1.6}
@media(max-width:900px){.stat-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.stat-grid{grid-template-columns:repeat(2,1fr)}}

.block-title{font-size:clamp(18px,2.4vw,24px);font-weight:900;margin-bottom:18px}
.block-title small{display:block;font-size:12px;font-weight:400;letter-spacing:.2em;color:var(--ink-faint);margin-top:4px}
.chart-block{margin-bottom:clamp(40px,6vw,72px)}
.chart{display:flex;align-items:stretch;gap:clamp(6px,1.4vw,16px);height:230px;padding:26px 8px 0;border-bottom:2px solid var(--ink);position:relative}
.chart .bar{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;position:relative;cursor:pointer}
.chart .bar i{
  display:block;width:100%;max-width:56px;border-radius:6px 6px 0 0;
  background:linear-gradient(180deg,var(--tea),var(--tea-deep));
  height:0;transition:height 1.1s cubic-bezier(.2,.7,.2,1);
}
.chart .bar:hover i{background:linear-gradient(180deg,var(--red),#7e2a1e)}
.chart .bar .val{position:absolute;top:2px;font-size:12px;font-weight:700;color:var(--ink-soft);opacity:0;transition:opacity .5s .5s}
.chart.on .bar .val{opacity:1}
.chart .bar .yr{position:absolute;bottom:-26px;font-size:12px;color:var(--ink-faint)}
.chart-note{margin-top:40px;font-size:13px;color:var(--ink-faint)}

.dots-block{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(24px,4vw,56px);align-items:center;margin-bottom:clamp(40px,6vw,72px)}
.dots-text p{color:var(--ink-soft);margin-bottom:12px}
.dots-legend{font-size:13px}
.dots-legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin:0 6px 0 0;vertical-align:-1px}
.dot-on{background:var(--red)}.dot-off{background:#cbb98f}
.dots-grid{display:grid;grid-template-columns:repeat(24,1fr);gap:5px}
.dots-grid b{width:100%;aspect-ratio:1;border-radius:50%;background:#cbb98f;transform:scale(.2);opacity:0;transition:transform .5s,opacity .5s,background .5s}
.dots-grid b.on{background:var(--red)}
.dots-grid.in b{transform:scale(1);opacity:1}
@media(max-width:840px){.dots-block{grid-template-columns:1fr}}

.fact-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fact{border-top:3px solid var(--red);padding-top:16px;background:rgba(245,237,219,.6);padding:18px;border-radius:0 0 10px 10px}
.fact h4{font-size:19px;font-weight:900;margin-bottom:8px;color:var(--tea-deep)}
.fact p{font-size:14px;color:var(--ink-soft)}
@media(max-width:840px){.fact-row{grid-template-columns:1fr}}

/* ═══════ 叁 · 空间 ═══════ */
.gaiwan-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.gaiwan-stage{background:#f5eddb;border:1px solid var(--paper-line);border-radius:16px;padding:26px;box-shadow:var(--shadow);text-align:center}
#gaiwanSvg{width:min(380px,86%);overflow:visible}
.gaiwan-part{cursor:pointer;transition:transform .8s cubic-bezier(.3,.7,.2,1),filter .3s}
.gaiwan-part:hover{filter:drop-shadow(0 4px 8px rgba(138,90,43,.45))}
.gaiwan-part.active path,.gaiwan-part.active ellipse,.gaiwan-part.active circle{stroke:var(--red)}
#gaiwanSvg.exploded #partLid{transform:translateY(-52px)}
#gaiwanSvg.exploded #partBowl{transform:translateY(-6px)}
#gaiwanSvg.exploded #partSaucer{transform:translateY(24px)}
#gaiwanSvg.exploded .steam-group{opacity:0}
.part-label{text-anchor:middle;font-size:13px;fill:var(--ink-faint);font-family:var(--serif);letter-spacing:.2em}
.gaiwan-part.active .part-label{fill:var(--red);font-weight:700}
.steam-group{transition:opacity .6s}
.steamline{fill:none;stroke:#b3a582;stroke-width:2.5;stroke-linecap:round;opacity:.7;stroke-dasharray:6 8;animation:dash 3s linear infinite}
.steamline.d2{animation-delay:.8s}.steamline.d3{animation-delay:1.6s}
@keyframes dash{to{stroke-dashoffset:-56}}
.gaiwan-tools{margin-top:16px}
.tool-btn{
  font-family:var(--serif);font-size:14px;letter-spacing:.2em;cursor:pointer;
  background:var(--dark);color:#eadfc6;border:none;border-radius:999px;padding:10px 26px;
  transition:background .3s,transform .2s;
}
.tool-btn:hover{background:var(--red);transform:translateY(-2px)}
.info-card{background:#f5eddb;border:1px solid var(--paper-line);border-left:5px solid var(--red);border-radius:10px;padding:24px 26px;box-shadow:var(--shadow);min-height:150px;margin-bottom:18px}
.info-card h3{font-size:22px;font-weight:900;margin-bottom:10px;color:var(--tea-deep)}
.info-card p{font-size:15px;color:var(--ink-soft)}
.extra-list{display:flex;flex-wrap:wrap;gap:10px}
.extra-item{
  font-family:var(--serif);font-size:13.5px;letter-spacing:.08em;cursor:pointer;
  background:transparent;color:var(--ink-soft);border:1px solid var(--paper-line);
  border-radius:999px;padding:8px 18px;transition:all .3s;
}
.extra-item:hover{border-color:var(--tea-deep);color:var(--tea-deep)}
.extra-item.active{background:var(--red);border-color:var(--red);color:#fdf6e3}
@media(max-width:840px){.gaiwan-grid{grid-template-columns:1fr}}

/* ═══════ 肆 · 众生相 ═══════ */
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard{perspective:1200px;height:280px;cursor:pointer}
.pcard-inner{position:relative;width:100%;height:100%;transition:transform .8s cubic-bezier(.3,.7,.2,1);transform-style:preserve-3d}
.pcard.flipped .pcard-inner{transform:rotateY(180deg)}
.pface{
  position:absolute;inset:0;backface-visibility:hidden;border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border:1px solid rgba(217,179,128,.25);
}
.pface.front{background:linear-gradient(160deg,#33271251,transparent),#2e2313}
.pface.front .glyph{
  font-family:var(--hand);font-size:84px;line-height:1;color:var(--gold);
  text-shadow:0 6px 24px rgba(0,0,0,.4);
}
.pface.front .pname{font-size:17px;letter-spacing:.25em;color:#eadfc6}
.pface.front .ptag{font-size:11px;letter-spacing:.2em;color:#a5906a}
.pface.back{
  transform:rotateY(180deg);background:#f0e6d0;color:var(--ink);
  padding:22px 24px;align-items:flex-start;justify-content:center;gap:0;
}
.pface.back h4{font-size:17px;font-weight:900;color:var(--red);margin-bottom:8px;letter-spacing:.1em}
.pface.back p{font-size:13px;line-height:1.85;color:var(--ink-soft)}
.pface.back p b{color:var(--tea-deep)}
@media(max-width:900px){.people-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.people-grid{grid-template-columns:1fr}.pcard{height:250px}}

/* ═══════ 伍 · 百态 ═══════ */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tab-btn{
  font-family:var(--serif);cursor:pointer;font-size:14.5px;letter-spacing:.06em;
  padding:10px 22px;border-radius:999px;border:1px solid var(--paper-line);
  background:transparent;color:var(--ink-soft);transition:all .3s;
}
.tab-btn:hover{border-color:var(--tea-deep);color:var(--tea-deep)}
.tab-btn.active{background:var(--dark);border-color:var(--dark);color:#eadfc6}
.tab-panel{
  background:#f5eddb;border:1px solid var(--paper-line);border-radius:16px;
  padding:clamp(26px,4vw,44px);box-shadow:var(--shadow);min-height:240px;
}
.tab-panel h3{font-size:clamp(20px,2.6vw,27px);font-weight:900;color:var(--red);margin-bottom:6px;letter-spacing:.06em}
.tab-panel .tp-sub{font-size:12.5px;letter-spacing:.3em;color:var(--ink-faint);margin-bottom:18px}
.tab-panel p{color:var(--ink-soft);margin-bottom:14px;font-size:15.5px;max-width:800px}
.tab-panel p b{color:var(--ink)}
.tab-panel .tp-quote{
  margin-top:8px;padding:16px 20px;border-left:4px solid var(--tea);
  background:rgba(176,118,60,.09);border-radius:0 8px 8px 0;font-size:15px;color:var(--ink);
}
.tab-panel.fade{animation:panelIn .55s cubic-bezier(.2,.6,.2,1)}
@keyframes panelIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ═══════ 陆 · 茶碗阵 ═══════ */
.formation-grid{display:grid;grid-template-columns:280px 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.formation-list{display:grid;gap:10px}
.f-btn{
  font-family:var(--serif);text-align:left;cursor:pointer;font-size:15px;letter-spacing:.1em;
  padding:14px 18px;border-radius:10px;border:1px solid rgba(217,179,128,.3);
  background:transparent;color:#cdbd9c;transition:all .3s;display:flex;justify-content:space-between;align-items:center;gap:10px;
}
.f-btn small{font-size:11px;color:#8f7d5c;letter-spacing:.05em}
.f-btn:hover{border-color:var(--gold);color:#fff}
.f-btn.active{background:var(--gold);border-color:var(--gold);color:var(--dark)}
.f-btn.active small{color:#5c4718}
.formation-stage{background:rgba(240,230,208,.05);border:1px solid rgba(217,179,128,.25);border-radius:16px;padding:clamp(20px,3vw,36px)}
#formationSvg{width:min(420px,100%);display:block;margin:0 auto 18px}
.formation-info h3{font-size:21px;font-weight:900;color:var(--gold);letter-spacing:.1em;margin-bottom:8px}
.formation-info p{font-size:14.5px;color:#cdbd9c}
.formation-info p b{color:#eadfc6}
.slang{margin-top:34px;font-size:14px;color:#a5906a;border-top:1px dashed rgba(217,179,128,.35);padding-top:20px}
.slang b{color:var(--gold)}
@media(max-width:840px){.formation-grid{grid-template-columns:1fr}}

/* ═══════ 柒 · 时间线 ═══════ */
.tl-viewport{
  overflow-x:auto;cursor:grab;padding:70px 0 30px;
  scrollbar-width:none;touch-action:pan-x pan-y;
}
.tl-viewport::-webkit-scrollbar{display:none}
.tl-viewport.grabbing{cursor:grabbing}
.tl-track{position:relative;display:flex;align-items:stretch;width:max-content;padding:0 8vw}
.tl-axis{position:absolute;left:0;right:0;top:50%;height:2px;background:linear-gradient(90deg,var(--paper-line),var(--tea-deep),var(--paper-line))}
.tl-item{position:relative;flex:none;width:250px;padding:0 22px}
.tl-item .dot{
  position:absolute;left:50%;top:50%;width:13px;height:13px;margin:-6.5px 0 0 -6.5px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 5px rgba(166,58,42,.18);
}
.tl-item .tl-card{
  position:relative;background:#f5eddb;border:1px solid var(--paper-line);border-radius:12px;
  padding:18px 18px 16px;box-shadow:var(--shadow);width:206px;margin:0 auto;
}
.tl-item:nth-child(odd) .tl-card{margin-bottom:190px}
.tl-item:nth-child(even) .tl-card{margin-top:190px}
.tl-item .tl-year{font-size:24px;font-weight:900;color:var(--tea-deep);line-height:1.1;font-family:var(--serif)}
.tl-item .tl-title{font-size:15px;font-weight:700;margin:6px 0 8px;letter-spacing:.04em}
.tl-item .tl-text{font-size:12.5px;line-height:1.75;color:var(--ink-soft)}
.tl-item .stem{position:absolute;left:50%;top:50%;width:1px;height:64px;background:var(--paper-line)}
.tl-item:nth-child(odd) .stem{transform:translateY(-128px)}
.tl-item:nth-child(even) .stem{transform:translateY(64px)}
.tl-controls{display:flex;align-items:center;justify-content:center;gap:22px;margin-top:8px}
.tl-controls button{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--ink);background:transparent;
  font-size:22px;cursor:pointer;color:var(--ink);transition:all .3s;font-family:var(--serif);
}
.tl-controls button:hover{background:var(--ink);color:var(--paper)}
.tl-hint{font-size:12px;letter-spacing:.25em;color:var(--ink-faint)}

/* ═══════ 捌 · 论战（报纸） ═══════ */
.newspaper .sec-head h2{color:var(--ink)}
.debate-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:30px}
.paper-card{
  background:#f7f0dd;border:1px solid var(--paper-line);border-radius:6px;padding:26px 28px;
  box-shadow:var(--shadow);position:relative;
}
.paper-card::before{content:'';position:absolute;top:12px;left:28px;right:28px;height:1px;background:var(--paper-line)}
.paper-card h3{font-size:19px;font-weight:900;margin:6px 0 12px;letter-spacing:.05em}
.paper-card h3 small{font-size:12px;font-weight:400;color:var(--ink-faint);letter-spacing:.1em}
.paper-card p{font-size:14.5px;color:var(--ink-soft);margin-bottom:10px}
.paper-card .quote-line{font-size:16.5px;color:var(--ink)}
.paper-card.critic{background:#e9dcbb}
.debate-conclusion{
  border:2px solid var(--ink);border-radius:6px;padding:22px 28px;background:rgba(247,240,221,.7);
  font-size:15.5px;color:var(--ink-soft);
}
.debate-conclusion b{color:var(--red)}
.notice{display:grid;place-items:center;margin-top:44px}
.notice-inner{
  writing-mode:vertical-rl;height:300px;padding:26px 20px;text-align:center;
  background:#f7f0dd;border:2px solid var(--ink);border-radius:4px;box-shadow:var(--shadow);
}
.notice-inner b{font-size:30px;letter-spacing:.4em;font-weight:900}
.notice-inner p{font-size:13px;letter-spacing:.2em;color:var(--ink-soft);margin:0 12px}
.notice-inner span{font-size:10.5px;letter-spacing:.1em;color:var(--ink-faint)}
@media(max-width:760px){.debate-grid{grid-template-columns:1fr}}

/* ═══════ 玖 · 聆听1949 ═══════ */
.sound-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.sound-main .lead{font-size:clamp(16px,1.9vw,19px);color:#eadfc6;margin-bottom:16px}
.sound-main p{color:#b7a582}
.sound-main b{color:var(--gold)}
.equalizer{display:flex;align-items:flex-end;gap:4px;height:90px;margin-top:36px}
.equalizer i{flex:1;background:linear-gradient(180deg,var(--gold),var(--tea-deep));border-radius:3px 3px 0 0;animation:eq 1.2s ease-in-out infinite alternate;min-height:8%}
@keyframes eq{from{transform:scaleY(.25)}to{transform:scaleY(1)}}
.sound-chips ul{list-style:none;display:grid;gap:12px;margin-bottom:20px}
.sound-chips li{
  padding:13px 18px;border:1px solid rgba(217,179,128,.3);border-radius:999px;
  font-size:13.5px;color:#d9c9a6;background:rgba(240,230,208,.04);
  transition:transform .3s,border-color .3s;
}
.sound-chips li:hover{transform:translateX(8px);border-color:var(--gold)}
.sound-note{font-size:13px;color:#8f7d5c}
@media(max-width:840px){.sound-grid{grid-template-columns:1fr}}

/* ═══════ 拾 · 显微镜 ═══════ */
.lens-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:clamp(36px,5vw,60px)}
.lens-card{
  background:#f5eddb;border:1px solid var(--paper-line);border-radius:12px;padding:24px;
  box-shadow:var(--shadow);transition:transform .35s,border-color .35s;
}
.lens-card:hover{transform:translateY(-6px);border-color:var(--tea)}
.lens-card h3{
  font-size:17px;font-weight:900;color:var(--red);letter-spacing:.1em;margin-bottom:10px;
  display:flex;align-items:center;gap:10px;
}
.lens-card h3::before{content:'';width:22px;height:2px;background:var(--red)}
.lens-card p{font-size:13.5px;color:var(--ink-soft)}
.lens-card p b{color:var(--tea-deep)}
@media(max-width:900px){.lens-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.lens-grid{grid-template-columns:1fr}}
.big-quote{text-align:center;max-width:820px;margin:0 auto;padding:20px}
.big-quote p{font-size:clamp(19px,2.8vw,27px);font-weight:700;line-height:1.9;color:var(--ink)}
.big-quote p::before{content:'“';color:var(--red);font-size:1.6em;line-height:0;margin-right:4px}
.big-quote p::after{content:'”';color:var(--red);font-size:1.6em;line-height:0;margin-left:4px}
.big-quote cite{display:block;margin-top:16px;font-style:normal;font-size:13px;letter-spacing:.25em;color:var(--ink-faint)}

/* ═══════ 尾声 ═══════ */
.epilogue{background:
  radial-gradient(1000px 500px at 50% -10%,rgba(176,118,60,.22),transparent 60%),
  var(--dark)}
.then-now{display:grid;grid-template-columns:1fr auto 1fr;gap:clamp(16px,3vw,40px);align-items:center;margin-bottom:clamp(36px,5vw,60px)}
.tn-col{
  background:rgba(240,230,208,.05);border:1px solid rgba(217,179,128,.25);border-radius:16px;
  padding:clamp(24px,3vw,36px);text-align:center;
}
.tn-year{font-size:13px;letter-spacing:.4em;color:var(--gold)}
.tn-col p{font-size:13.5px;color:#b7a582;margin:14px 0 20px}
.tn-num{display:block;font-size:clamp(38px,5vw,56px);font-weight:900;color:#eadfc6;line-height:1.1}
.tn-num.accent{color:var(--gold)}
.tn-cap{display:block;margin-top:8px;font-size:12px;letter-spacing:.2em;color:#8f7d5c}
.tn-arrow{font-size:clamp(24px,3vw,36px);color:var(--tea)}
.epilogue-note{max-width:820px;margin:0 auto}
.epilogue-note>p{color:#cdbd9c;margin-bottom:26px}
.epilogue-note b{color:var(--gold)}
.epilogue .big-quote p{color:#eadfc6}
.epilogue .big-quote p::before,.epilogue .big-quote p::after{color:var(--gold)}
.epilogue .big-quote cite{color:#8f7d5c}
.cta{
  display:table;margin:52px auto 0;padding:15px 42px;border-radius:999px;text-decoration:none;
  background:var(--red);color:#fdf6e3;font-size:15px;letter-spacing:.2em;
  transition:transform .3s,background .3s;
}
.cta:hover{transform:translateY(-3px);background:#8a2f22}
@media(max-width:760px){.then-now{grid-template-columns:1fr}.tn-arrow{transform:rotate(90deg);text-align:center}}

/* ═══════ 页脚 ═══════ */
.footer{background:#1a130a;color:#a5906a;padding:64px 0 34px;font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);margin-bottom:36px}
.footer h3{font-size:14px;letter-spacing:.3em;color:var(--gold);margin-bottom:16px}
.ref-list{list-style:none;display:grid;gap:10px;line-height:1.8}
.footer p{line-height:2}
.colophon{border-top:1px solid rgba(217,179,128,.15);padding-top:24px;text-align:center;font-size:12px;letter-spacing:.2em;color:#6f604a}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr}}

/* 减少动态偏好 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}