/* ==========================================================================
   中会自习室 · 48 天冲刺台账
   纸张台账质感：米色纸面 + 1px 墨线 + 三色科目编码 + 印章打卡
   ========================================================================== */

:root {
  --paper: #fdf8ec;
  --paper-2: #f5edd9;
  --paper-3: #efe4cc;
  --dark-beige: #dbd0bf;
  --ink: #22201c;
  --ink-60: rgba(34, 32, 28, .62);
  --ink-30: rgba(34, 32, 28, .3);
  --ink-08: rgba(34, 32, 28, .08);
  --red: #ed1b57;
  --blue: #2d1aff;
  --green: #6adca2;
  --mono: 'IBM Plex Mono', ui-monospace, 'Courier New', monospace;
  --serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  --kai: 'Kaiti SC', 'KaiTi', 'STKaiti', 'FangSong', serif;
  --ease-out: cubic-bezier(.23, 1, .32, 1);
  --ease-back: cubic-bezier(.175, .885, .32, 1.275);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ink); color: var(--paper); }

a { color: inherit; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶栏 ---------- */
.topbar {
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
  position: sticky; top: 0; z-index: 50;
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.brand {
  font-family: var(--serif); font-weight: 900; font-size: 17px;
  letter-spacing: .06em; display: flex; align-items: center; gap: 10px;
}
.brand .seal {
  width: 26px; height: 26px; border: 1.5px solid var(--red); color: var(--red);
  border-radius: 50%; display: grid; place-items: center;
  font-family: var(--kai); font-size: 12px; transform: rotate(-10deg);
  flex: none;
}
.topnav { display: flex; gap: 2px; }
.topnav a {
  font-family: var(--mono); font-size: 12px; text-decoration: none;
  padding: 6px 12px; border: 1px solid transparent; letter-spacing: .05em;
  transition: all .25s var(--ease-out);
}
.topnav a:hover { border-color: var(--ink); background: var(--paper-2); }
.topnav a b { color: var(--red); font-weight: 500; margin-right: 4px; }

/* ---------- 英雄区 / 倒计时 ---------- */
.hero {
  position: relative;
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}
.hero::before {
  /* 自底部中心发散的同心圆环 */
  content: '';
  position: absolute; inset: 0;
  background: repeating-radial-gradient(
    circle at 50% 118%,
    var(--ink-08) 0, var(--ink-08) 1px,
    transparent 1px, transparent 72px
  );
  pointer-events: none;
}
.hero .wrap {
  position: relative;
  padding-top: 64px; padding-bottom: 56px;
  display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end;
}
.hero-kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: .22em;
  display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
}
.hero-kicker::before { content: ''; width: 34px; height: 1px; background: var(--ink); }
.hero h1 {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.22; letter-spacing: .02em;
}
.hero h1 .stroke {
  color: transparent;
  -webkit-text-stroke: 1.2px var(--ink);
  paint-order: stroke;
}
.hero-sub { margin-top: 14px; color: var(--ink-60); max-width: 46ch; }
.hero-sub b { color: var(--ink); font-weight: 600; }

/* 倒计时刻度盘 */
.countbox { text-align: right; }
.count-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em;
  color: var(--ink-60); margin-bottom: 6px;
}
.count-days {
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(72px, 10vw, 128px);
  line-height: .9; letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}
.count-days small { font-size: .22em; font-weight: 400; letter-spacing: .1em; margin-left: 8px; }
.count-hms {
  font-family: var(--mono); font-size: 15px; letter-spacing: .12em;
  margin-top: 10px; font-variant-numeric: tabular-nums;
}
.count-ring-row {
  margin-top: 14px; display: flex; justify-content: flex-end; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-60); letter-spacing: .08em;
}
.ring { transform: rotate(-90deg); }
.ring .track { stroke: var(--ink-30); stroke-width: 2; fill: none; }
.ring .bar { stroke: var(--red); stroke-width: 3; fill: none; stroke-linecap: butt;
  transition: stroke-dashoffset 1s var(--ease-out); }

/* 星爆贴纸 */
.sticker {
  position: absolute; right: min(38vw, 460px); top: 34px;
  width: 108px; height: 108px; z-index: 2;
  animation: stickerSpin 24s linear infinite;
}
.sticker svg { width: 100%; height: 100%; }
.sticker text {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em;
  fill: var(--ink);
}
@keyframes stickerSpin { to { transform: rotate(360deg); } }

/* ---------- 通用区块 ---------- */
section.block { padding: 64px 0 56px; }
.block + .block { border-top: 1px solid var(--ink); }
.block-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 32px; flex-wrap: wrap; }
.block-no {
  font-family: var(--mono); font-size: 12px; color: var(--red); letter-spacing: .1em;
}
.block-title {
  font-family: var(--serif); font-weight: 900; font-size: clamp(22px, 3vw, 30px);
  letter-spacing: .04em;
}
.block-note { font-size: 13px; color: var(--ink-60); margin-left: auto; max-width: 40ch; }

/* ---------- 今日任务 + 动力面板 ---------- */
.duo { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; align-items: start; }

.panel { border: 1px solid var(--ink); background: var(--paper); position: relative; }
.panel-head {
  border-bottom: 1px solid var(--ink);
  padding: 10px 18px;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .18em;
  background: var(--paper-2);
}
.panel-head .dot { width: 8px; height: 8px; border: 1px solid var(--ink); border-radius: 50%; flex: none; }
.panel-head .spacer { margin-left: auto; color: var(--ink-60); letter-spacing: .05em; }
.panel-body { padding: 22px 22px 24px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  border: 1px solid var(--ink); padding: 3px 10px;
  background: var(--paper); color: var(--ink);
}
.chip.hue-red   { background: var(--red);   color: var(--paper); }
.chip.hue-blue  { background: var(--blue);  color: var(--paper); }
.chip.hue-green { background: var(--green); color: var(--ink); }
.chip.hue-beige { background: var(--dark-beige); color: var(--ink); }

.today-date { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--ink-60); }
.today-title {
  font-family: var(--serif); font-weight: 900; font-size: 26px;
  margin: 10px 0 4px; letter-spacing: .02em; line-height: 1.3;
}
.today-note { color: var(--ink-60); font-size: 13.5px; }
.today-note::before { content: '重点 ▸ '; color: var(--red); font-family: var(--mono); font-size: 12px; }

/* 任务清单 */
.tasks { margin-top: 18px; border-top: 1px solid var(--ink); }
.task {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 2px; border-bottom: 1px solid var(--ink);
  cursor: pointer; user-select: none; position: relative;
}
.task .box {
  width: 20px; height: 20px; border: 1px solid var(--ink); flex: none;
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 13px; color: var(--paper);
  transition: background .25s var(--ease-out);
}
.task .txt { position: relative; transition: color .3s var(--ease-out); }
.task .txt::after {
  content: ''; position: absolute; left: 0; top: 52%; height: 1.5px; width: 0;
  background: var(--ink); transition: width .4s var(--ease-out);
}
.task .mins { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--ink-60); flex: none; }
.task.done .box { background: var(--ink); }
.task.done .box::before { content: '✓'; }
.task.done .txt { color: var(--ink-60); }
.task.done .txt::after { width: 100%; }
.task:hover .box { outline: 1px solid var(--ink); outline-offset: 2px; }

/* 专注计时器 */
.timer { margin-top: 22px; display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center; }
.timer-ring-box { position: relative; width: 132px; height: 132px; }
.timer-ring-box svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.timer-ring-box .track { stroke: var(--ink-30); stroke-width: 2; fill: none; }
.timer-ring-box .bar { stroke: var(--ink); stroke-width: 3.5; fill: none;
  transition: stroke-dashoffset .3s linear; }
.timer-face {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
}
.timer-face .t { font-family: var(--mono); font-size: 24px; font-weight: 700;
  letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.timer-face .l { font-family: var(--mono); font-size: 10px; letter-spacing: .2em; color: var(--ink-60); }
.timer-ctl { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.timer-hint { font-size: 12.5px; color: var(--ink-60); max-width: 30ch; }

/* 分层叠纸按钮 */
.stack-btn {
  position: relative; display: inline-block; border: 0; background: none;
  cursor: pointer; padding: 0; font: inherit;
}
.stack-btn .layer {
  position: absolute; inset: 0; border: 1px solid var(--ink);
  transition: transform .35s var(--ease-out);
}
.stack-btn .layer.l1 { background: var(--red);  transform: translate(5px, 5px); }
.stack-btn .layer.l2 { background: var(--blue); transform: translate(10px, 10px); }
.stack-btn .face {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--ink); background: var(--paper);
  font-family: var(--mono); font-size: 13px; letter-spacing: .14em;
  padding: 13px 26px; color: var(--ink);
  transition: transform .35s var(--ease-out), background .25s var(--ease-out);
}
.stack-btn:hover .layer.l1 { transform: translate(2.5px, 2.5px); }
.stack-btn:hover .layer.l2 { transform: translate(5px, 5px); }
.stack-btn:hover .face { transform: translate(2px, 2px); }
.stack-btn:active .layer { transform: translate(0, 0); }
.stack-btn:active .face { transform: translate(4px, 4px); }
.stack-btn.solid .face { background: var(--ink); color: var(--paper); }
.stack-btn:disabled { cursor: default; }
.stack-btn:disabled .face { background: var(--paper-3); color: var(--ink-60); }

.btn-plain {
  border: 1px solid var(--ink); background: var(--paper); color: var(--ink);
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em;
  padding: 10px 18px; cursor: pointer;
  transition: all .25s var(--ease-out);
}
.btn-plain:hover { background: var(--ink); color: var(--paper); }
.btn-plain:disabled { background: var(--paper-3); color: var(--ink-60); cursor: default; }

/* 印章 */
.stamp {
  position: absolute; top: 52px; right: 18px; z-index: 3;
  width: 92px; height: 92px; border: 2.5px solid var(--red); border-radius: 50%;
  color: var(--red); display: grid; place-content: center; text-align: center;
  font-family: var(--kai); transform: rotate(-13deg);
  box-shadow: inset 0 0 0 2.5px var(--paper), inset 0 0 0 4.5px var(--red);
  background: rgba(253, 248, 236, .6);
  opacity: .88; pointer-events: none;
  animation: stampIn .5s var(--ease-spring);
}
.stamp .s1 { font-size: 19px; letter-spacing: .12em; }
.stamp .s2 { font-family: var(--mono); font-size: 9px; letter-spacing: .1em; margin-top: 2px; }
@keyframes stampIn {
  0% { transform: rotate(-13deg) scale(2.4); opacity: 0; }
  60% { transform: rotate(-13deg) scale(.94); opacity: 1; }
  100% { transform: rotate(-13deg) scale(1); opacity: .88; }
}

/* ---------- 动力面板 ---------- */
.moti .panel-body { padding: 20px; display: flex; flex-direction: column; gap: 20px; }
.streak-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; }
.streak-num { font-family: var(--mono); font-weight: 700; font-size: 56px; line-height: .95;
  letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.streak-num small { font-size: 13px; font-weight: 400; letter-spacing: .1em; margin-left: 6px; }
.streak-side { font-size: 12px; color: var(--ink-60); text-align: right; padding-bottom: 4px; }
.streak-side b { display: block; font-family: var(--mono); color: var(--ink); font-size: 14px; }

.hours-row { border-top: 1px solid var(--ink); padding-top: 16px;
  display: flex; align-items: center; gap: 16px; }
.hours-ring-box { width: 76px; height: 76px; flex: none; position: relative; }
.hours-ring-box svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.hours-ring-box .track { stroke: var(--ink-30); stroke-width: 3; fill: none; }
.hours-ring-box .bar { stroke: var(--blue); stroke-width: 4.5; fill: none;
  transition: stroke-dashoffset 1s var(--ease-out); }
.hours-ring-box .face { position: absolute; inset: 0; display: grid; place-content: center;
  font-family: var(--mono); font-size: 15px; font-weight: 700; font-variant-numeric: tabular-nums; }
.hours-meta { font-size: 12.5px; color: var(--ink-60); }
.hours-meta b { font-family: var(--mono); color: var(--ink); }

.badges { border-top: 1px solid var(--ink); padding-top: 16px; }
.badges-title { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--ink-60);
  margin-bottom: 10px; }
.badges-row { display: flex; flex-wrap: wrap; gap: 8px; }
.badge {
  border: 1px solid var(--ink); padding: 5px 11px;
  font-family: var(--kai); font-size: 13px;
  background: var(--paper); color: var(--ink-30);
  transition: all .3s var(--ease-out);
}
.badge.on {
  color: var(--ink); background: var(--green);
  animation: badgePop .55s var(--ease-spring);
}
.badge.on:nth-child(3n+1) { background: var(--green); }
.badge.on:nth-child(3n+2) { background: var(--red); color: var(--paper); }
.badge.on:nth-child(3n) { background: var(--blue); color: var(--paper); }
@keyframes badgePop {
  0% { transform: scale(.4) rotate(-8deg); }
  60% { transform: scale(1.12) rotate(3deg); }
  100% { transform: scale(1) rotate(0); }
}

.quote { border-top: 1px solid var(--ink); padding-top: 16px; }
.quote-txt {
  font-family: var(--kai); font-size: 16.5px; line-height: 1.7;
  min-height: 56px;
}
.quote-txt.pop { animation: quotePop .5s var(--ease-spring); }
@keyframes quotePop {
  0% { transform: translateY(10px) rotate(-1.2deg); opacity: 0; }
  100% { transform: none; opacity: 1; }
}
.quote-ctl { margin-top: 8px; display: flex; justify-content: flex-end; }
.quote-ctl button {
  border: 1px solid var(--ink); background: var(--paper); cursor: pointer;
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em; padding: 5px 12px;
  transition: all .25s var(--ease-out);
}
.quote-ctl button:hover { background: var(--ink); color: var(--paper); }

/* ---------- 48 天台账 ---------- */
.phase-row {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  margin: 34px 0 14px;
}
.phase-row:first-of-type { margin-top: 0; }
.phase-name { font-family: var(--serif); font-weight: 900; font-size: 19px; letter-spacing: .04em; }
.phase-range { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; color: var(--red); }
.phase-note { font-size: 12.5px; color: var(--ink-60); flex-basis: 100%; }

.ledger { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
.day {
  border: 1px solid var(--ink); background: var(--paper);
  padding: 8px 9px 9px; min-height: 96px;
  position: relative; cursor: pointer;
  display: flex; flex-direction: column; gap: 5px;
  transition: transform .25s var(--ease-out), background .25s var(--ease-out);
}
.day:hover { transform: translate(-2px, -2px); background: var(--paper-2); }
.day .d-head { display: flex; align-items: center; justify-content: space-between; }
.day .d-date { font-family: var(--mono); font-size: 11.5px; font-weight: 700; letter-spacing: .02em; }
.day .d-week { font-family: var(--mono); font-size: 9.5px; color: var(--ink-60); }
.day .d-dot { width: 7px; height: 7px; border-radius: 50%; border: 1px solid var(--ink); }
.day .d-dot.hue-red { background: var(--red); }
.day .d-dot.hue-blue { background: var(--blue); }
.day .d-dot.hue-green { background: var(--green); }
.day .d-dot.hue-beige { background: var(--dark-beige); }
.day .d-title {
  font-size: 11.5px; line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.day.is-today { outline: 2px solid var(--red); outline-offset: -1px; }
.day.is-today .d-date { color: var(--red); }
.day.is-done { background: var(--paper-3); }
.day.is-done .d-title { color: var(--ink-60); }
.day .mini-stamp {
  position: absolute; right: 4px; bottom: 4px;
  width: 30px; height: 30px; border: 1.5px solid var(--red); border-radius: 50%;
  color: var(--red); font-family: var(--kai); font-size: 13px;
  display: grid; place-items: center; transform: rotate(-14deg);
  box-shadow: inset 0 0 0 1.5px var(--paper-3), inset 0 0 0 2.5px var(--red);
  opacity: .85;
}
.day.exam-day {
  background: var(--ink); color: var(--paper);
  align-items: center; justify-content: center; text-align: center; gap: 6px;
}
.day.exam-day .e1 { font-family: var(--serif); font-weight: 900; font-size: 15px; letter-spacing: .1em; }
.day.exam-day .e2 { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; color: var(--dark-beige); }
.day.exam-day:hover { background: var(--ink); }

/* ---------- 真题演练 ---------- */
.quiz-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.quiz-tab {
  border: 1px solid var(--ink); background: var(--paper);
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em;
  padding: 8px 16px; cursor: pointer;
  transition: all .25s var(--ease-out);
}
.quiz-tab .sc { color: var(--ink-60); margin-left: 8px; font-size: 11px; }
.quiz-tab:hover { transform: translate(-1px, -1px); }
.quiz-tab.on[data-s="sw"] { background: var(--red); color: var(--paper); }
.quiz-tab.on[data-s="cw"] { background: var(--blue); color: var(--paper); }
.quiz-tab.on[data-s="ec"] { background: var(--green); color: var(--ink); }
.quiz-tab.on .sc { color: inherit; opacity: .75; }

.q { border: 1px solid var(--ink); margin-bottom: 14px; background: var(--paper); }
.q-head {
  display: flex; gap: 12px; align-items: baseline;
  padding: 14px 16px 10px;
}
.q-no { font-family: var(--mono); font-size: 12px; color: var(--red); flex: none; }
.q-tag {
  margin-left: auto; flex: none;
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em;
  border: 1px solid var(--ink); padding: 2px 8px; color: var(--ink-60);
}
.q-text { font-size: 14.5px; line-height: 1.7; }
.q-opts { border-top: 1px solid var(--ink); }
.opt {
  display: flex; gap: 12px; align-items: baseline;
  padding: 11px 16px; cursor: pointer; user-select: none;
  border-bottom: 1px solid var(--ink-30);
  transition: background .2s var(--ease-out);
}
.opt:last-child { border-bottom: 0; }
.opt .k { font-family: var(--mono); font-size: 12px; flex: none; color: var(--ink-60); }
.opt:hover { background: var(--paper-2); }
.q.answered .opt { cursor: default; }
.opt.correct { background: var(--green); }
.opt.correct .k { color: var(--ink); }
.opt.wrong { background: var(--red); color: var(--paper); }
.opt.wrong .k { color: var(--paper); }
.q-ex {
  border-top: 1px solid var(--ink); padding: 12px 16px;
  font-size: 13px; line-height: 1.7; background: var(--paper-2);
  display: none;
}
.q.answered .q-ex { display: block; animation: exIn .4s var(--ease-out); }
.q-ex::before {
  content: '解析'; font-family: var(--kai); color: var(--red);
  margin-right: 10px; font-size: 14px;
}
@keyframes exIn { 0% { opacity: 0; transform: translateY(-4px); } 100% { opacity: 1; } }
.quiz-src { font-size: 12px; color: var(--ink-60); margin-top: 6px; }

/* ---------- 资料区 ---------- */
.res-row {
  display: grid; grid-template-columns: 44px 1fr auto; gap: 16px; align-items: baseline;
  padding: 16px 4px; border-bottom: 1px solid var(--ink);
  text-decoration: none;
  transition: background .2s var(--ease-out);
}
.res-row:first-child { border-top: 1px solid var(--ink); }
.res-row:hover { background: var(--paper-2); }
.res-no { font-family: var(--mono); font-size: 12px; color: var(--red); }
.res-name { font-family: var(--serif); font-weight: 700; font-size: 16px; letter-spacing: .02em; }
.res-desc { font-size: 12.5px; color: var(--ink-60); margin-top: 3px; }
.res-go { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--ink-60); }
.res-row:hover .res-go { color: var(--red); }

/* ---------- 页脚 ---------- */
footer {
  background: var(--dark-beige); border-top: 1px solid var(--ink);
  padding: 40px 0 48px; margin-top: 0;
}
footer .f-title { font-family: var(--serif); font-weight: 900; font-size: 18px; letter-spacing: .06em; }
footer p { font-size: 12.5px; color: rgba(34,32,28,.72); margin-top: 10px; max-width: 72ch; }
footer .mono { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; margin-top: 18px; }

/* ---------- 纸屑 ---------- */
.confetti {
  position: fixed; width: 8px; height: 12px; z-index: 999; pointer-events: none;
  top: 0; left: 0;
  animation: confettiFly 1s var(--ease-out) forwards;
}
@keyframes confettiFly {
  0% { transform: translate(0, 0) rotate(0); opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) rotate(var(--rot)); opacity: 0; }
}

/* ----------  toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--paper);
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .08em;
  padding: 12px 22px; z-index: 1000; opacity: 0;
  transition: all .35s var(--ease-spring); pointer-events: none;
  border: 1px solid var(--ink);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .duo { grid-template-columns: 1fr; }
  .ledger { grid-template-columns: repeat(4, 1fr); }
  .hero .wrap { grid-template-columns: 1fr; }
  .countbox { text-align: left; }
  .count-ring-row { justify-content: flex-start; }
  .sticker { right: 16px; top: 20px; width: 84px; height: 84px; }
}
@media (max-width: 600px) {
  .ledger { grid-template-columns: repeat(2, 1fr); }
  .timer { grid-template-columns: 1fr; justify-items: center; }
  .topnav a { padding: 6px 7px; }
  .res-row { grid-template-columns: 30px 1fr; }
  .res-go { display: none; }
}