:root{
  /* ===== 基础色板（深空蓝 + 青辉 + 紫调点缀，≤4 主色） ===== */
  --bg-0:#060912;
  --bg-1:#0a1020;
  --bg-2:#0e1730;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(120,180,255,.35);

  /* ===== 文本（避纯黑，树状派生） ===== */
  --text:#eaf0ff;
  --text-strong:#ffffff;
  --muted:#9aa9c7;
  --muted-2:#6b7a99;

  /* ===== 品牌色 ===== */
  --cyan:#34e3ff;
  --blue:#3b82f6;
  --violet:#8b5cf6;
  --pink:#ff5d9d;        /* 仅作点缀，低频出现 */

  /* ===== 语义状态色 ===== */
  --green:#27d17f;       /* 开放/进行 */
  --orange:#ffa53b;      /* 即将截止 */
  --red:#ff5470;         /* 已关闭/危险（与绿错开语义，非同屏对比） */

  /* ===== 辉光色 ===== */
  --glow-cyan:rgba(52,227,255,.45);
  --glow-violet:rgba(139,92,246,.40);
  --glow-blue:rgba(59,130,246,.40);

  /* ===== 渐变 ===== */
  --grad:linear-gradient(120deg,#34e3ff 0%,#3b82f6 45%,#8b5cf6 100%);
  --grad-soft:linear-gradient(120deg,rgba(52,227,255,.14),rgba(139,92,246,.14));

  /* ===== 阴影层次 ===== */
  --shadow-sm:0 6px 20px -12px rgba(0,0,0,.6);
  --shadow:0 18px 50px -20px rgba(0,0,0,.7);
  --shadow-glow:0 20px 60px -24px rgba(52,227,255,.35);

  /* ===== 圆角台阶 ===== */
  --radius-sm:10px;
  --radius:18px;
  --radius-lg:24px;

  /* ===== 间距台阶（4/8/12/16/24/32） ===== */
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-6:24px; --sp-8:32px;

  /* ===== 字号层级 ===== */
  --fs-xs:11.5px; --fs-sm:13px; --fs-md:14px; --fs-lg:16px; --fs-xl:18.5px;

  /* ===== 动效时长（300ms 级） ===== */
  --dur-fast:.22s; --dur:.3s; --dur-slow:.38s; --dur-enter:.6s;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",-apple-system,system-ui,sans-serif;
  color:var(--text);
  background:var(--bg-0);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
b{font-weight:700}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 背景 */
#bg-canvas{position:fixed;inset:0;z-index:0;opacity:.55;pointer-events:none}
.bg-glow{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(70% 55% at 12% -5%,rgba(59,130,246,.20),transparent 60%),
    radial-gradient(55% 50% at 92% 6%,rgba(139,92,246,.18),transparent 60%),
    radial-gradient(80% 65% at 50% 108%,rgba(52,227,255,.12),transparent 62%),
    radial-gradient(40% 35% at 78% 85%,rgba(139,92,246,.08),transparent 60%);
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(85% 85% at 50% 28%,#000 35%,transparent 100%);
  -webkit-mask-image:radial-gradient(85% 85% at 50% 28%,#000 35%,transparent 100%);
}
main,header,footer{position:relative;z-index:1}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(6,9,18,.9),rgba(6,9,18,.4));
  border-bottom:1px solid var(--border);transition:padding var(--dur) var(--ease),background var(--dur) var(--ease)}
.nav.scrolled{background:linear-gradient(180deg,rgba(6,9,18,.96),rgba(6,9,18,.6));box-shadow:0 10px 30px -18px rgba(0,0,0,.8)}
.nav__inner{max-width:1180px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.3px}
.brand__mark{color:var(--cyan);display:grid;place-items:center;filter:drop-shadow(0 0 12px rgba(52,227,255,.55))}
.brand__text{display:flex;flex-direction:column;line-height:1.05;font-size:18px}
.brand__text i{font-style:normal;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:2px}
.nav__links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
.nav__links a{transition:color var(--dur-fast)}
.nav__links a:hover{color:var(--text)}
.btn-remind{display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  background:var(--panel-strong);border:1px solid var(--border);color:var(--text);
  padding:8px 14px;border-radius:999px;font-size:13px;font-family:inherit;transition:var(--dur) var(--ease)}
.btn-remind:hover{border-color:var(--border-strong);box-shadow:0 0 0 4px rgba(52,227,255,.10),0 8px 24px -14px var(--glow-cyan)}
.btn-remind svg{color:var(--cyan)}
.remind-badge{background:var(--red);color:#fff;font-size:11px;min-width:18px;height:18px;
  border-radius:999px;display:grid;place-items:center;padding:0 5px;box-shadow:0 0 10px rgba(255,84,112,.5)}

/* Hero */
.hero{min-height:92vh;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:90px 24px 60px}
.hero__inner{max-width:880px;animation:rise .9s var(--ease) both}
.eyebrow{display:inline-block;font-family:"Rajdhani",sans-serif;letter-spacing:3px;text-transform:uppercase;
  font-size:13px;color:var(--cyan);padding:6px 16px;border:1px solid var(--border-strong);border-radius:999px;
  background:rgba(52,227,255,.07);box-shadow:inset 0 0 18px rgba(52,227,255,.12);margin-bottom:26px}
.hero__title{font-size:clamp(34px,6vw,62px);line-height:1.1;font-weight:700;letter-spacing:-.5px;
  text-shadow:0 0 40px rgba(52,227,255,.18)}
.hero__sub{margin:22px auto 0;max-width:620px;color:var(--muted);font-size:16px}
.searchbar{margin:34px auto 0;max-width:560px;display:flex;align-items:center;gap:10px;
  background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:6px 8px 6px 16px;
  backdrop-filter:blur(8px);transition:var(--dur) var(--ease)}
.searchbar:focus-within{border-color:var(--border-strong);box-shadow:0 0 0 4px rgba(52,227,255,.10),0 12px 30px -16px var(--glow-cyan)}
.searchbar__icon{color:var(--muted-2);flex:none}
.searchbar input{flex:1;background:none;border:none;outline:none;color:var(--text);font-size:15px;font-family:inherit;padding:10px 0}
.searchbar input::placeholder{color:var(--muted-2)}
.searchbar__clear{background:none;border:none;color:var(--muted);font-size:22px;cursor:pointer;line-height:1;padding:0 8px;transition:color var(--dur-fast)}
.searchbar__clear:hover{color:var(--text)}
.stats{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:42px}
.stats li{flex:1 1 130px;max-width:180px;background:var(--panel);border:1px solid var(--border);
  border-radius:14px;padding:18px 14px;backdrop-filter:blur(8px);transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.stats li:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 14px 34px -18px var(--glow-cyan)}
.stats b{display:block;font-family:"Rajdhani",sans-serif;font-size:34px;line-height:1;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats span{font-size:13px;color:var(--muted)}
.hero__scroll{margin-top:48px;font-size:12px;letter-spacing:2px;color:var(--muted-2);display:flex;flex-direction:column;align-items:center;gap:8px;animation:float 2.4s var(--ease) infinite}
.hero__scroll span{width:1px;height:34px;background:linear-gradient(var(--cyan),transparent);box-shadow:0 0 8px var(--glow-cyan)}

/* 区块标题 */
.section-head{max-width:1180px;margin:0 auto;padding:0 24px}
.section-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:700;letter-spacing:-.3px}
.section-head p{color:var(--muted);margin-top:8px;font-size:15px}

/* 探索区 */
.explore{padding:70px 0 40px}
.toolbar{max-width:1180px;margin:26px auto 0;padding:0 24px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.tabs{display:flex;flex-wrap:wrap;gap:10px}
.tab{cursor:pointer;font-family:inherit;font-size:13.5px;color:var(--muted);
  background:var(--panel);border:1px solid var(--border);padding:9px 16px;border-radius:999px;transition:var(--dur-fast) var(--ease);white-space:nowrap}
.tab:hover{color:var(--text);border-color:var(--border-strong);background:var(--panel-strong)}
.tab.is-active{color:#04121f;background:var(--grad);border-color:transparent;font-weight:600;box-shadow:0 8px 24px -10px rgba(52,227,255,.6)}
.sort{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}
.sort select{background:var(--panel);border:1px solid var(--border);color:var(--text);
  font-family:inherit;font-size:13.5px;padding:9px 12px;border-radius:10px;outline:none;cursor:pointer;transition:border-color var(--dur-fast)}
.sort select:focus{border-color:var(--border-strong)}

/* 卡片网格 */
.grid{max-width:1180px;margin:28px auto 0;padding:0 24px;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.card{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 22px 20px;overflow:hidden;backdrop-filter:blur(10px);
  opacity:0;transform:translateY(26px);transition:transform var(--dur-enter) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  will-change:transform,opacity}
.card.in{opacity:1;transform:none}
.card::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.35;transition:opacity var(--dur)}
.card:hover{transform:translateY(-6px);border-color:transparent;box-shadow:var(--shadow),0 0 0 1px rgba(52,227,255,.18),0 24px 60px -28px var(--glow-cyan)}
.card:hover::before{opacity:1}
.card__top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.chip{font-size:11.5px;letter-spacing:.4px;padding:4px 10px;border-radius:999px;font-weight:600;
  background:rgba(52,227,255,.10);color:var(--cyan);border:1px solid rgba(52,227,255,.25);box-shadow:inset 0 0 14px rgba(52,227,255,.08)}
.chip[data-level="国家级"]{background:rgba(255,84,112,.12);color:#ff7d93;border-color:rgba(255,84,112,.3);box-shadow:inset 0 0 14px rgba(255,84,112,.10)}
.chip[data-level="国际级"]{background:rgba(139,92,246,.14);color:#b79bff;border-color:rgba(139,92,246,.32);box-shadow:inset 0 0 14px rgba(139,92,246,.10)}
.chip[data-level="省级"]{background:rgba(255,165,59,.12);color:var(--orange);border-color:rgba(255,165,59,.28);box-shadow:inset 0 0 14px rgba(255,165,59,.08)}
.chip[data-level="行业级"]{background:rgba(39,209,127,.12);color:var(--green);border-color:rgba(39,209,127,.28);box-shadow:inset 0 0 14px rgba(39,209,127,.08)}
.status{font-size:11.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 10px currentColor}
.status.open{color:var(--green)}
.status.soon{color:var(--orange)}
.status.closed{color:var(--muted-2)}
.status.soon{animation:pulse 1.6s ease-in-out infinite}
/* 四态状态徽章（基于 .status 基类，仅加修饰类；配色复用既有 Token，规避纯黑/红绿同屏禁忌） */
.status.phase-upcoming{color:var(--blue);background:rgba(59,130,246,.14);border:1px solid rgba(59,130,246,.3);box-shadow:inset 0 0 14px rgba(59,130,246,.10)}
.status.phase-ongoing{color:var(--green);background:rgba(39,209,127,.14);border:1px solid rgba(39,209,127,.3);box-shadow:inset 0 0 14px rgba(39,209,127,.10)}
.status.phase-closed{color:var(--orange);background:rgba(255,165,59,.14);border:1px solid rgba(255,165,59,.3);box-shadow:inset 0 0 14px rgba(255,165,59,.10)}
.status.phase-history{color:#b79bff;background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.32);box-shadow:inset 0 0 14px rgba(139,92,246,.10)}
/* 徽章微调：内边距与圆角使状态更像一个"色块徽章"，不破坏基类圆点 */
.status.phase-upcoming,
.status.phase-ongoing,
.status.phase-closed,
.status.phase-history{padding:3px 10px;border-radius:999px;line-height:1.5}

/* ===== 分组折叠（v3 新增 9 类，对齐既有玻璃质感/辉光/动效体系） ===== */
.group{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:var(--sp-6) var(--sp-6) var(--sp-4);overflow:hidden;backdrop-filter:blur(10px);
  margin-bottom:var(--sp-6);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.group::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.35;transition:opacity var(--dur);pointer-events:none}
.group:hover{border-color:var(--border-strong);box-shadow:var(--shadow),0 0 0 1px rgba(52,227,255,.12),0 24px 60px -30px var(--glow-cyan)}
.group:hover::before{opacity:.7}
.group__head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:var(--sp-3);margin-bottom:var(--sp-4);border-bottom:1px solid var(--border)}
.group__title{font-size:clamp(18px,2.4vw,22px);font-weight:700;letter-spacing:-.2px;color:var(--text-strong);
  display:flex;align-items:center;gap:10px;text-shadow:0 0 24px rgba(52,227,255,.12)}
.group__toggle{cursor:pointer;font-family:inherit;font-size:13.5px;color:var(--muted);
  background:var(--panel);border:1px solid var(--border);padding:9px 16px;border-radius:999px;transition:var(--dur-fast) var(--ease);white-space:nowrap}
.group__toggle:hover{color:var(--text);border-color:var(--border-strong);background:var(--panel-strong)}
.group__toggle.is-active{color:#04121f;background:var(--grad);border-color:transparent;font-weight:600;box-shadow:0 8px 24px -10px rgba(52,227,255,.6)}
.group__body{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;padding:2px}
.group__count{font-size:11.5px;font-weight:600;letter-spacing:.4px;padding:4px 10px;border-radius:999px;
  background:rgba(52,227,255,.10);color:var(--cyan);border:1px solid rgba(52,227,255,.25);box-shadow:inset 0 0 14px rgba(52,227,255,.08)}
/* 总开关：复用 .tab 视觉，单独成行 */
.expand-all{display:flex;align-items:center;gap:10px;margin:0 auto 22px;padding:0 24px;max-width:1180px}
.expand-all .group__toggle{margin-right:auto}

/* Verify 冲突角标：复用 --red，半透明底圆角色块（同 phase-* 徽章写法） */
.flag--conflict{display:inline-flex;align-items:center;font-size:11px;font-weight:600;letter-spacing:.3px;
  padding:2px 8px;border-radius:999px;color:#ff7d93;background:rgba(255,84,112,.14);
  border:1px solid rgba(255,84,112,.32);box-shadow:inset 0 0 12px rgba(255,84,112,.10)}

/* Verify 提示文本：轻提示小字 */
.card__verify-note{font-size:.8rem;line-height:1.5;color:var(--muted);margin-top:10px;
  padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid var(--border)}
.card__title{font-size:18.5px;font-weight:700;line-height:1.35;margin-bottom:8px}
.card__org{font-size:13px;color:var(--muted);margin-bottom:14px}
.card__intro{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:60px}
.card__meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 16px}
.tag{font-size:11.5px;color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--border);padding:3px 9px;border-radius:8px;transition:border-color var(--dur-fast),color var(--dur-fast)}
.tag:hover{border-color:var(--border-strong);color:var(--text)}
.card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--border);padding-top:14px}
.deadline{display:flex;flex-direction:column}
.deadline small{font-size:11px;color:var(--muted-2);letter-spacing:.5px}
.deadline b{font-family:"Rajdhani",sans-serif;font-size:18px;font-weight:600;color:var(--text)}
.deadline b.soon{color:var(--orange)}
.deadline b.closed{color:var(--muted-2)}
.actions{display:flex;gap:8px}
.btn{font-family:inherit;font-size:13px;cursor:pointer;border-radius:10px;padding:9px 14px;transition:var(--dur-fast) var(--ease);border:1px solid var(--border);background:var(--panel-strong);color:var(--text);display:inline-flex;align-items:center;gap:6px}
.btn:hover{border-color:var(--border-strong);box-shadow:0 6px 18px -12px var(--glow-cyan)}
.btn--remind.is-on{background:rgba(255,84,112,.14);border-color:rgba(255,84,112,.4);color:#ff8095;box-shadow:inset 0 0 14px rgba(255,84,112,.12)}
.btn--link{color:var(--cyan)}
.btn--link:hover{border-color:rgba(52,227,255,.4)}

.empty{text-align:center;color:var(--muted);padding:60px 24px;font-size:15px}

/* 提醒机制 */
.how{padding:70px 0 30px}
.how__grid{max-width:1180px;margin:28px auto 0;padding:0 24px;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.how__card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.how__card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 16px 40px -20px var(--glow-blue)}
.how__num{font-family:"Rajdhani",sans-serif;font-size:30px;font-weight:700;color:var(--cyan);opacity:.75;text-shadow:0 0 18px var(--glow-cyan)}
.how__card h3{font-size:18px;margin:10px 0 8px}
.how__card p{color:var(--muted);font-size:14px}

/* 页脚 */
.footer{border-top:1px solid var(--border);margin-top:70px;padding:30px 24px}
.footer__inner{max-width:1180px;margin:0 auto;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:var(--muted);font-size:13px}
.footer__note{color:var(--muted-2)}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:80;visibility:hidden}
.drawer.open{visibility:visible}
.drawer__mask{position:absolute;inset:0;background:rgba(4,8,18,.6);opacity:0;transition:opacity var(--dur) var(--ease);backdrop-filter:blur(2px)}
.drawer.open .drawer__mask{opacity:1}
.drawer__panel{position:absolute;top:0;right:0;height:100%;width:min(420px,92vw);
  background:linear-gradient(180deg,var(--bg-2),var(--bg-1));border-left:1px solid var(--border);
  transform:translateX(100%);transition:transform var(--dur-slow) var(--ease);display:flex;flex-direction:column;box-shadow:-20px 0 60px -20px rgba(0,0,0,.7)}
.drawer.open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--border)}
.drawer__head h3{font-size:18px}
.drawer__close{background:none;border:none;color:var(--muted);font-size:26px;cursor:pointer;line-height:1;transition:color var(--dur-fast),transform var(--dur-fast)}
.drawer__close:hover{color:var(--text);transform:rotate(90deg)}
.drawer__body{flex:1;overflow-y:auto;padding:18px 20px;display:flex;flex-direction:column;gap:12px}
.drawer__empty{padding:0 24px 24px;color:var(--muted-2);font-size:14px}
.r-item{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.r-item:hover{border-color:var(--border-strong);box-shadow:0 10px 30px -18px var(--glow-cyan)}
.r-item__top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.r-item__name{font-size:15px;font-weight:600;line-height:1.35}
.r-item__cd{font-family:"Rajdhani",sans-serif;font-size:22px;font-weight:700}
.r-item__cd.soon{color:var(--orange)}
.r-item__cd.closed{color:var(--muted-2);font-size:15px}
.r-item__sub{font-size:12.5px;color:var(--muted);margin-top:6px}
.r-item__del{margin-top:12px;background:none;border:1px solid var(--border);color:var(--muted);font-size:12px;padding:6px 12px;border-radius:8px;cursor:pointer;font-family:inherit;transition:var(--dur-fast)}
.r-item__del:hover{color:var(--red);border-color:rgba(255,84,112,.4)}

/* Toast */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);z-index:90;
  background:rgba(14,23,48,.95);border:1px solid var(--border-strong);color:var(--text);
  padding:13px 22px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;
  transition:var(--dur) var(--ease);box-shadow:var(--shadow),0 0 0 1px rgba(52,227,255,.12);backdrop-filter:blur(10px)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* 动画 */
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* 响应式断点 */
@media (max-width:1024px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
}
@media (max-width:768px){
  .hero{min-height:auto;padding:70px 20px 48px}
  .toolbar{flex-direction:column;align-items:stretch;gap:14px}
  .sort{justify-content:space-between}
  .stats li{flex-basis:calc(50% - 7px)}
  .grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
  .how__grid{gap:14px}
}
@media (max-width:640px){
  .nav__links{gap:14px}
  .nav__links a{display:none}
  .stats li{flex-basis:calc(50% - 7px)}
  .toolbar{flex-direction:column;align-items:stretch}
  .grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  .nav__inner{padding:12px 16px}
  .hero__inner{padding:0 4px}
  .section-head,.toolbar,.grid{padding-left:16px;padding-right:16px}
  .stats{gap:10px}
  .stats li{padding:14px 10px}
  .stats b{font-size:28px}
  .drawer__panel{width:100vw}
  .card{padding:18px 16px 16px}
}

/* 无障碍：尊重减少动效偏好 */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .card{opacity:1;transform:none}
  .drawer__panel{transform:translateX(100%)}
  .drawer.open .drawer__panel{transform:none}
}