/* ==========================================================
   未名天教育 高考日语 · design system v2
   蓝主导 × 流体渐变 × 玻璃拟态
   ========================================================== */
:root{
  /* 功能主色（蓝）：负责“可操作” */
  --brand:#286aff;
  --brand-2:#3964fe;
  --brand-3:#5B8CFF;
  --brand-deep:#0B3D92;
  --brand-soft:#EDF3FF;
  --brand-mist:#F4F8FF;

  /* 转化强调（橙）：合作校直升 / 免费评估 / 重要 CTA */
  --conv:#FE7201;
  --conv-soft:#FFF1E5;
  --conv-deep:#C24F00;

  /* 紧急 / 错误（红）：错误、冲刺、截止 */
  --danger:#fe0139;
  --danger-soft:#FFE8ED;
  --danger-deep:#B80028;

  /* AI 语义（紫）：AI 标记、徽章、匹配度环 */
  --ai:#9f66ff;
  --ai-soft:#F6F0FF;
  --ai-deep:#7A4DD6;

  /* 日系 / 成功（孔雀蓝）：日本文化、生活成本、成功状态 */
  --japan:#006D77;
  --japan-soft:#E6F2F4;
  --japan-deep:#0A4C57;

  /* 兼容旧名：success→japan；accent/danger/seal→红；amber 保留暖橙做数据高亮；gold/matcha 保留 */
  --jade:#006D77;
  --jade-soft:#E6F2F4;
  --seal:#fe0139;
  --seal-soft:#FFE8ED;
  --accent:#fe0139;
  --accent-soft:#FFE8ED;
  --amber:#E0922F;
  --amber-soft:#FFF3E6;
  --gold:#B8893A;
  --matcha:#006D77;

  /* 中性（冷蓝基底） */
  --ink:#1E2235;
  --ink-2:#4A4F66;
  --ink-3:#6B7089;
  --line:rgba(30,34,53,.10);
  --line-soft:rgba(30,34,53,.06);
  --paper:#F7F8FC;
  --card:#ffffff;

  --radius:18px;
  --radius-sm:12px;

  /* 玻璃态 */
  --glass:rgba(255,255,255,.72);
  --glass-line:rgba(255,255,255,.6);
  --glass-shadow:0 8px 32px rgba(40,106,255,.10), 0 2px 8px rgba(0,0,0,.04);
  --glass-dark:rgba(11,61,146,.72);
  --glass-dark-line:rgba(255,255,255,.18);
  --glass-dark-shadow:0 8px 32px rgba(0,0,0,.24);
  --focus-glow:0 0 0 4px rgba(40,106,255,.14);
  --focus-glow-ai:0 0 0 3px rgba(159,102,255,.20);

  --shadow:0 1px 2px rgba(30,34,53,.04), 0 10px 30px -18px rgba(30,34,53,.30);
  --shadow-lg:0 2px 6px rgba(30,34,53,.05), 0 28px 60px -34px rgba(30,34,53,.45);

  /* 渐变体系 */
  --grad-brand:linear-gradient(136deg,#286aff,#4e6ef2,#7274f9,#9f66ff);
  --grad-ai:linear-gradient(135deg,#9f66ff 0%,#7274f9 50%,#286aff 100%);
  --grad-accent:linear-gradient(135deg,#FE7201 0%,#FF9A3D 100%);
  --grad-glow:radial-gradient(circle at 30% 20%,rgba(159,102,255,.32),transparent 60%);
  --grad-deep:linear-gradient(160deg,#0B3D92 0%,#1A1F3D 50%,#2A2150 100%);
  --grad-japan:linear-gradient(135deg,#EAF2FF 0%,#F6F0FF 50%,#E6F2F4 100%);
  --grad-soft:linear-gradient(140deg,rgba(40,106,255,.08),rgba(159,102,255,.04) 55%,rgba(254,114,1,.05));

  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --serif:"Songti SC","Noto Serif SC","Noto Serif JP","Source Han Serif SC",Georgia,serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--ink);
  background:
    radial-gradient(900px 420px at 92% -8%, rgba(91,140,255,.20) 0%, rgba(247,250,249,0) 62%),
    radial-gradient(760px 380px at -6% 34%, rgba(40,106,255,.10) 0%, rgba(247,250,249,0) 60%),
    radial-gradient(700px 420px at 60% 104%, rgba(212,145,58,.09) 0%, rgba(247,250,249,0) 58%),
    var(--paper);
  min-height:100vh;-webkit-font-smoothing:antialiased;
  font-size:15px;line-height:1.62;
}
body::before{ /* 青海波底纹 */
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='72' height='36' viewBox='0 0 72 36'><g fill='none' stroke='%230b6e77' stroke-opacity='.055' stroke-width='1'><path d='M0 36a18 18 0 0 1 36 0M36 36a18 18 0 0 1 36 0M-18 18a18 18 0 0 1 36 0M18 18a18 18 0 0 1 36 0M54 18a18 18 0 0 1 36 0M0 0a18 18 0 0 1 36 0M36 0a18 18 0 0 1 36 0'/></g></svg>");
}
img{max-width:100%}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
a{color:inherit;text-decoration:none}
::selection{background:rgba(40,106,255,.18)}

/* ---------- desktop side ---------- */
.side{display:none}
@media (min-width:1120px){
  .side{display:block;position:fixed;left:0;top:0;bottom:0;width:calc(50% - 245px);min-width:300px;padding:56px 0 40px 48px;z-index:1}
  .side-inner{max-width:330px;margin-left:auto;padding-right:34px}
  .side-logo{font-size:11px;letter-spacing:.22em;color:var(--ink-3);display:flex;align-items:center;gap:10px;text-transform:uppercase}
  .side-logo span{background:var(--brand-soft);color:var(--brand);padding:2px 8px;border-radius:4px;letter-spacing:.08em;font-size:10.5px;border:1px solid rgba(40,106,255,.12)}
  .side h1{font-family:var(--serif);font-size:36px;line-height:1.28;margin:24px 0 12px;letter-spacing:.01em;font-weight:600;color:var(--brand-deep)}
  .side h1 em{font-style:normal;color:var(--brand);position:relative}
  .side h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:6px;background:linear-gradient(90deg,rgba(91,140,255,.34),rgba(91,140,255,0))}
  .side-sub{color:var(--ink-2);font-size:13.5px;margin:0 0 28px;line-height:1.8}
  .side-list{list-style:none;padding:0;margin:0 0 26px;border-top:1px solid var(--line)}
  .side-list li{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2)}
  .side-list b{font-weight:600;color:var(--brand);font-size:11px;letter-spacing:.1em;min-width:42px}
  .dot{width:6px;height:6px;border-radius:50%;margin-left:auto;background:var(--brand-3);box-shadow:0 0 0 3px rgba(91,140,255,.16)}
  .dot.ok{background:var(--jade);box-shadow:0 0 0 3px rgba(0,109,119,.14)}
  .side-note{background:var(--glass);backdrop-filter:blur(16px);border:1px solid var(--glass-line);border-radius:14px;padding:15px 17px;font-size:12.5px;color:var(--ink-2);line-height:1.75;box-shadow:var(--shadow)}
  .side-note b{display:block;font-size:12px;color:var(--brand-deep);margin-bottom:5px;letter-spacing:.06em}
  .side-link{display:inline-block;margin-top:18px;font-size:12.5px;color:var(--brand);border-bottom:1px solid rgba(40,106,255,.28);padding-bottom:2px}
}

/* ---------- shell ---------- */
.app{
  width:100%;max-width:460px;margin:0 auto;min-height:100vh;position:relative;z-index:1;
  background:rgba(255,255,255,.86);backdrop-filter:blur(2px);
  box-shadow:0 0 0 1px rgba(40,106,255,.05);
  padding-bottom:78px;overflow-x:hidden;
}
@media (min-width:1120px){
  .app{max-width:430px;margin:28px auto 28px calc(50% - 215px);min-height:calc(100vh - 56px);max-height:calc(100vh - 56px);overflow-y:auto;
    border-radius:28px;box-shadow:0 2px 4px rgba(30,34,53,.05),0 34px 70px -36px rgba(30,34,53,.45);border:1px solid rgba(255,255,255,.7)}
}
/* 移动端页脚备案号（桌面端由侧栏展示，此处隐藏） */
.mobile-beian{display:none}
@media (max-width:1119.98px){
  .mobile-beian{
    display:block;position:relative;z-index:2;text-align:center;
    font-size:11px;color:var(--ink-3);letter-spacing:.02em;
    margin:-72px 0 0;padding:0 0 calc(72px + env(safe-area-inset-bottom));
  }
  /* 有咨询悬浮按钮时右侧让位，避免版权信息被按钮压住 */
  body:not(.no-consult) .mobile-beian{padding-right:136px;padding-left:14px}
  /* 悬浮咨询按钮占住右下 80-120px，页面底部留出等量空白，避免压住最后一行内容 */
  /* 给底部导航让位：隐藏咨询（题库/作文）时同样需要这段留白，否则内容会贴到导航下方 */
  body .page{padding-bottom:76px}
  .mobile-beian a{color:inherit;text-decoration:none}
  .mobile-beian .beian-more{display:inline-block;margin-top:3px;text-decoration:underline;text-underline-offset:2px}
}
.page{padding:18px 20px 26px;animation:rise .32s cubic-bezier(.2,.7,.3,1)}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;
  padding:14px 16px 12px;background:rgba(255,255,255,.72);
  backdrop-filter:saturate(1.7) blur(18px);border-bottom:1px solid var(--line-soft);
}
.topbar .tt{font-size:16px;font-weight:650;letter-spacing:.02em;flex:1;color:var(--brand-deep)}
.topbar .crumb{font-weight:400;color:var(--ink-3);font-size:12px}
.topbar .back{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;color:var(--ink-2);background:rgba(40,106,255,.05)}
.topbar .act{font-size:12.5px;color:var(--brand);padding:5px 9px;border-radius:8px;background:rgba(40,106,255,.06)}

/* ---------- tabbar ---------- */
.tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:30;display:flex;
  background:rgba(255,255,255,.82);backdrop-filter:blur(20px) saturate(1.6);
  border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom));
}
@media (min-width:1120px){
  /* 桌面端：底部导航贴视口底、与 430px 宽的 .app 居中对齐 */
  .tabbar{position:fixed;left:50%;right:auto;transform:translateX(-50%);width:430px;bottom:28px;border-radius:0 0 27px 27px;box-shadow:0 12px 30px -18px rgba(30,34,53,.4)}
  .app{padding-bottom:88px}
}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0 4px;color:var(--ink-3);font-size:10.5px;letter-spacing:.02em;border-radius:12px;transition:.2s}
.tabbar svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tabbar button.on{color:var(--brand);background:linear-gradient(180deg,rgba(91,140,255,.10),rgba(91,140,255,0))}
.tabbar button.on svg{stroke-width:2}

/* ---------- typography ---------- */
.title{font-family:var(--serif);font-size:21px;line-height:1.45;margin:6px 0 8px;font-weight:600;color:var(--brand-deep);letter-spacing:.01em}
.lead{color:var(--ink-2);font-size:13.5px;margin:0 0 20px;line-height:1.75}
.sec{font-size:12px;color:var(--ink-3);letter-spacing:.16em;text-transform:uppercase;margin:26px 0 10px;font-weight:600;display:flex;align-items:center;gap:8px}
.sec::before{content:"";width:3px;height:11px;border-radius:2px;background:linear-gradient(180deg,var(--brand-2),var(--brand))}
.muted{color:var(--ink-3)}.small{font-size:12.5px}.tiny{font-size:11px;letter-spacing:.02em}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px}
.link{color:var(--brand);border-bottom:1px solid rgba(40,106,255,.3)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;border-radius:22px;padding:26px 22px 22px;color:#eafcfa;
  background-image:var(--grad-glow),linear-gradient(136deg,rgba(11,61,146,.30),rgba(122,77,214,.20)),var(--grad-brand);
  box-shadow:0 18px 40px -26px rgba(11,61,146,.8);
}
.hero::after{ /* 青海波 */
  content:"";position:absolute;inset:0;opacity:.22;pointer-events:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='88' height='44' viewBox='0 0 88 44'><g fill='none' stroke='%23bff3ef' stroke-opacity='.55' stroke-width='1'><path d='M0 44a22 22 0 0 1 44 0M44 44a22 22 0 0 1 44 0M-22 22a22 22 0 0 1 44 0M22 22a22 22 0 0 1 44 0M66 22a22 22 0 0 1 44 0M0 0a22 22 0 0 1 44 0M44 0a22 22 0 0 1 44 0'/></g></svg>");
  mask-image:linear-gradient(160deg,rgba(0,0,0,.9),rgba(0,0,0,.15) 70%);
}
.hero::before{content:"";position:absolute;width:220px;height:220px;right:-70px;top:-90px;border-radius:50%;background:radial-gradient(circle,rgba(191,243,239,.34),rgba(191,243,239,0) 68%)}
.hero>*{position:relative;z-index:1}
.hero .kicker{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:rgba(210,246,243,.82);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.hero .kicker::before{content:"";width:16px;height:1px;background:rgba(210,246,243,.6)}
.hero h2{font-family:var(--serif);font-size:24px;line-height:1.45;margin:0 0 10px;font-weight:600;letter-spacing:.01em;color:#fff}
.hero p{font-size:13px;line-height:1.75;color:rgba(224,248,246,.86);margin:0 0 18px}
.hero .btn{background:rgba(255,255,255,.94);color:var(--brand-deep);box-shadow:0 8px 20px -12px rgba(0,0,0,.5)}
.hero .btn:active{transform:scale(.985)}
.hero .meta{display:flex;gap:8px;font-size:11px;color:rgba(210,246,243,.72);margin-top:13px;letter-spacing:.04em}
/* 届别切换 + 阶段标签 */
.hero-kicker{justify-content:space-between;align-items:center}
.hero-kicker::before{display:none}
.hero-switch{
  margin-left:auto;font-size:10.5px;letter-spacing:.06em;color:rgba(224,248,246,.88);
  padding:3px 9px;border-radius:999px;border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.10);backdrop-filter:blur(8px);
}
.hero-switch:active{background:rgba(255,255,255,.2)}
.hero-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.hero-tag{
  font-size:10.5px;letter-spacing:.04em;color:rgba(234,252,250,.92);
  padding:3px 9px;border-radius:999px;background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.16);
}
/* 届别选择弹层 */
.year-item{
  display:flex;align-items:center;gap:12px;width:100%;padding:13px 2px;
  border-bottom:1px solid var(--line-soft);text-align:left;
}
.year-item:last-child{border-bottom:none}
.year-item .yi-y{font-family:var(--serif);font-size:19px;font-weight:600;color:var(--brand-deep);min-width:74px;letter-spacing:.01em}
.year-item .yi-d{font-size:12px;color:var(--ink-3);margin-top:1px}
.year-item.on .yi-y{color:var(--brand)}
.year-item .yi-r{margin-left:auto;text-align:right;flex:none}
.year-item .yi-p{font-size:11px;color:var(--brand);font-weight:600}
.year-item .yi-n{font-size:10.5px;color:var(--ink-3);margin-top:2px}
.year-item.on{background:linear-gradient(90deg,rgba(40,106,255,.055),transparent)}
.year-item.on .yi-p{color:var(--brand)}
/* 阶段预览（规划设置卡） */
.stage-preview{
  margin-top:14px;padding:12px 14px;border-radius:12px;
  background:linear-gradient(135deg,rgba(40,106,255,.055),rgba(91,140,255,.10));
  border:1px solid rgba(40,106,255,.10);
}
.stage-preview .st-name{font-family:var(--serif);font-size:15px;font-weight:600;color:var(--brand-deep);letter-spacing:.02em}
.stage-preview .st-goal{font-size:12px;color:var(--ink-2);margin-top:6px;line-height:1.65}
.stage-preview .st-meta{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:8px;font-size:10.5px;color:var(--ink-3)}
.stage-preview .st-meta span{position:relative;padding-left:9px}
.stage-preview .st-meta span::before{content:"";position:absolute;left:0;top:6px;width:3px;height:3px;border-radius:50%;background:var(--brand-3)}

/* ---------- cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);position:relative;
}
.card.flat{box-shadow:none;background:rgba(255,255,255,.6);backdrop-filter:blur(10px)}
.card.tint{background:var(--grad-soft);border-color:rgba(40,106,255,.16)}
.glass{background:var(--glass);backdrop-filter:blur(18px) saturate(1.4);border:1px solid var(--glass-line);border-radius:var(--radius);box-shadow:var(--shadow)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stack{display:flex;flex-direction:column;gap:10px}
.row{display:flex;align-items:center;gap:10px}
.row.between{justify-content:space-between}
.divider{height:1px;background:var(--line);margin:14px 0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;width:100%;
  padding:13px 18px;border-radius:13px;font-size:14.5px;font-weight:600;letter-spacing:.02em;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand) 55%,var(--brand-2));
  color:#f2fefd;box-shadow:0 12px 26px -16px rgba(11,61,146,.85);transition:transform .15s,box-shadow .2s;
}
.btn:active{transform:translateY(1px) scale(.995)}
.btn[disabled]{opacity:.42;box-shadow:none;cursor:not-allowed}
.btn.accent{background:var(--grad-accent);color:#1E2235;box-shadow:0 12px 26px -16px rgba(254,114,1,.5)}
.btn.ghost{background:rgba(40,106,255,.06);color:var(--brand);box-shadow:none;border:1px solid rgba(40,106,255,.14)}
.btn.soft{background:var(--brand-soft);color:var(--brand-deep);box-shadow:none}
.btn.sm{padding:9px 14px;font-size:13px;border-radius:10px;width:auto}
.btn.xs{padding:6px 11px;font-size:12px;border-radius:8px;width:auto}
.btn-row{display:flex;gap:10px}
.btn-row .btn{width:auto;flex:1}

/* ---------- chips/badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:999px;
  font-size:11px;letter-spacing:.04em;background:rgba(40,106,255,.07);color:var(--brand);font-weight:600;white-space:nowrap;
}
.chip.brand{background:var(--brand);color:#fff}
.chip.jade{background:var(--jade-soft);color:#0A4C57}
.chip.accent{background:var(--conv-soft);color:var(--conv)}
.chip.amber{background:var(--amber-soft);color:#8a5f18}
.chip.line{background:transparent;border:1px solid var(--line);color:var(--ink-3);font-weight:500}

/* ---------- lists ---------- */
.list-item{display:flex;align-items:center;gap:12px;width:100%;padding:12px 2px;border-bottom:1px solid var(--line-soft);text-align:left}
.list-item:last-child{border-bottom:none}
.li-t{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.li-s{font-size:11.5px;color:var(--ink-3);margin-top:2px;line-height:1.55}
.li-r{margin-left:auto;flex:none;color:var(--ink-3);font-size:11.5px}

/* ---------- forms ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-size:12px;color:var(--ink-2);margin-bottom:7px;letter-spacing:.05em;font-weight:600}
.input,.select,.textarea{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(40,106,255,.18);
  background:rgba(255,255,255,.9);font-size:14.5px;outline:none;transition:.2s;appearance:none;
}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand-2);box-shadow:var(--focus-glow);background:#fff}
.input.err{border-color:var(--seal);box-shadow:0 0 0 4px rgba(254,1,57,.08)}
.textarea{min-height:150px;line-height:1.9;resize:vertical;font-size:15px}
.select{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%237b8f8c' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 14px center}
.input-wrap{position:relative}
.input-wrap .unit{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--ink-3)}
.hint{font-size:11.5px;color:var(--ink-3);margin-top:6px;line-height:1.55}
.hint.ok{color:var(--jade)}
.hint.err{color:var(--seal)}

/* segmented */
.seg{display:flex;background:rgba(40,106,255,.06);border-radius:12px;padding:3px;gap:3px;border:1px solid rgba(40,106,255,.06)}
.seg button{flex:1;padding:8px 6px;font-size:12.5px;border-radius:9px;color:var(--ink-2);font-weight:500;transition:.2s}
.seg button.on{background:#fff;color:var(--brand);box-shadow:0 2px 8px -4px rgba(30,34,53,.35);font-weight:650}

/* ---------- steps ---------- */
.steps{display:flex;align-items:center;gap:6px;padding:14px 20px;background:rgba(255,255,255,.6);border-bottom:1px solid var(--line-soft)}
.steps .st{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--ink-3);white-space:nowrap}
.steps .num{width:19px;height:19px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:10.5px;background:#fff}
.steps .st.on{color:var(--brand);font-weight:600}
.steps .st.on .num{background:var(--brand);border-color:var(--brand);color:#fff}
.steps .bar{flex:1;height:1px;background:var(--line)}
.steps .st.on+.bar{background:rgba(40,106,255,.4)}

/* ---------- score ---------- */
/* 结果头部：默认品牌渐变（权威感，用于作文批改结果） */
.score-hero{position:relative;overflow:hidden;border-radius:20px;padding:22px;background:linear-gradient(136deg,rgba(11,61,146,.28),rgba(122,77,214,.18)),var(--grad-brand);color:#eafcfa;box-shadow:0 18px 40px -28px rgba(11,61,146,.9)}
/* 估分场景叠加 AI 渐变 + 左上压深蒙版（保证白字对比度 ≥4.5:1） */
.score-hero.ai{background-image:radial-gradient(120% 100% at 0% 0%,rgba(11,61,146,.60) 0%,rgba(11,61,146,0) 62%),var(--grad-ai)}
.score-hero::after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;right:-60px;bottom:-100px;background:radial-gradient(circle,rgba(91,140,255,.4),transparent 70%)}
.score-big{font-family:var(--serif);font-size:56px;line-height:1;font-weight:600;letter-spacing:-.02em;color:#fff}
.score-hero .score-big{text-shadow:0 2px 14px rgba(11,61,146,.32)}
.score-big small{font-size:15px;color:rgba(210,246,243,.7);font-family:var(--font);font-weight:400;margin-left:4px}
.band{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;background:rgba(255,255,255,.16);font-size:11.5px;color:#e8fbf9;border:1px solid rgba(255,255,255,.18)}
.range-track{position:relative;height:8px;border-radius:6px;background:rgba(40,106,255,.10);margin:22px 0 6px}
.range-fill{position:absolute;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--brand-3),var(--brand-2))}
.range-mark{position:absolute;top:-4px;width:2px;height:16px;background:var(--conv);border-radius:2px}
.range-ends{display:flex;justify-content:space-between;font-size:10.5px;color:var(--ink-3);margin-top:4px}

/* ---------- quiz ---------- */
.qmeta{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;color:var(--ink-3);letter-spacing:.05em}
.qtext{font-size:16px;line-height:1.8;margin:14px 0 18px;font-weight:500;color:var(--ink)}
.qtext .jp{font-family:var(--serif);font-size:18px;letter-spacing:.03em}
.opt{
  display:flex;align-items:center;gap:11px;width:100%;text-align:left;padding:13px 15px;margin-bottom:9px;
  border-radius:13px;border:1px solid var(--line);background:rgba(255,255,255,.75);font-size:14px;transition:.18s;
}
.opt:hover{border-color:rgba(40,106,255,.3);background:#fff}
.opt .key{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);font-size:11.5px;color:var(--ink-3);flex:none;font-family:var(--serif)}
.opt.on{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.opt.on .key{background:var(--brand);border-color:var(--brand);color:#fff}
.opt.ok{border-color:rgba(0,109,119,.5);background:var(--jade-soft)}
.opt.ok .key{background:var(--jade);border-color:var(--jade);color:#fff}
.opt.bad{border-color:rgba(254,1,57,.45);background:var(--seal-soft)}
.opt.bad .key{background:var(--seal);border-color:var(--seal);color:#fff}
.pulse-dots{display:inline-flex;gap:4px;align-items:center}
.pulse-dots i{width:5px;height:5px;border-radius:50%;background:var(--brand-2);animation:pd 1.1s infinite ease-in-out}
.pulse-dots i:nth-child(2){animation-delay:.15s}.pulse-dots i:nth-child(3){animation-delay:.3s}
@keyframes pd{0%,80%,100%{opacity:.25;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}
.spin-ring{width:38px;height:38px;border-radius:50%;border:2px solid rgba(40,106,255,.12);border-top-color:var(--brand-2);animation:spin 1s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 深色沉浸等待面板（作文批改中） ---------- */
.wait-panel{
  position:relative;overflow:hidden;border-radius:22px;margin-top:6px;
  padding:38px 20px 30px;text-align:center;
  background:var(--grad-deep);color:#eafcfa;
  box-shadow:0 20px 44px -28px rgba(11,61,146,.85);
}
.wait-panel::before{content:"";position:absolute;inset:0;background:var(--grad-glow);opacity:.75;pointer-events:none}
.wait-panel>*{position:relative;z-index:1}
.wait-panel .spin-ring{border-color:rgba(255,255,255,.16);border-top-color:var(--brand-3);width:42px;height:42px}
.wait-panel .title{color:#fff}
.wait-panel .lead{color:rgba(224,248,246,.78)}
.wait-panel .card{
  background:var(--glass-dark);backdrop-filter:blur(18px) saturate(1.25);
  border:1px solid var(--glass-dark-line);box-shadow:var(--glass-dark-shadow);color:#eafcfa;
}
.wait-panel .card .small{color:rgba(232,251,249,.9)}
.wait-panel .pulse-dots i{background:var(--brand-3)}
.wait-panel .tiny{color:rgba(210,246,243,.62)!important}

/* ---------- essay ---------- */
.essay-body{font-family:var(--serif);font-size:15.5px;line-height:2.1;color:var(--ink);white-space:pre-wrap;letter-spacing:.02em}
.essay-body mark{background:rgba(254,1,57,.13);border-bottom:1.5px solid rgba(254,1,57,.55);color:var(--seal);padding:0 2px;border-radius:2px;cursor:pointer}
.essay-body mark.m-grammar{background:rgba(254,1,57,.13);border-color:rgba(254,1,57,.55);color:var(--seal)}
.essay-body mark.m-word{background:rgba(212,145,58,.16);border-color:rgba(212,145,58,.55);color:#8a5f18}
.essay-body mark.m-style{background:rgba(40,106,255,.12);border-color:rgba(40,106,255,.5);color:var(--brand)}
.essay-body mark.m-punct{background:rgba(0,109,119,.12);border-color:rgba(0,109,119,.5);color:#0A4C57}
.essay-body mark.on{box-shadow:0 0 0 3px rgba(254,1,57,.18)}
.err-item{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid var(--line-soft);text-align:left;width:100%}
.err-item:last-child{border-bottom:none}
.err-item .ei-f{flex:none;margin-top:2px}
.err-item .ei-t{font-size:13px;font-weight:600;line-height:1.55;color:var(--ink)}
.err-item .ei-m{font-size:11.5px;color:var(--ink-3);margin-top:3px;line-height:1.6}
.err-item .ei-q{font-size:10.5px;color:var(--brand);margin-top:4px}
.ai-tag{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;color:var(--ai);border:1px solid rgba(159,102,255,.35);border-radius:4px;padding:2px 6px;letter-spacing:.06em}
.ai-tag::before{content:"AI";font-family:var(--serif);font-size:10px;background:var(--ai);color:#fff;width:13px;height:13px;display:grid;place-items:center;border-radius:2px}

/* ---------- plan ---------- */
.countdown{display:flex;align-items:baseline;gap:6px;margin:2px 0 6px}
.countdown b{font-family:var(--serif);font-size:40px;line-height:1;font-weight:600;letter-spacing:-.02em}
.countdown span{font-size:12px;color:rgba(224,248,246,.78)}
.plan-week{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin:10px 0 4px}
.plan-day{text-align:center;padding:8px 0 9px;border-radius:10px;background:rgba(40,106,255,.05);border:1px solid transparent}
.plan-day .d{font-size:10px;color:var(--ink-3);letter-spacing:.06em}
.plan-day .n{font-size:13px;font-weight:650;color:var(--ink-2);margin-top:2px}
.plan-day.done{background:var(--brand-soft);border-color:rgba(40,106,255,.18)}
.plan-day.done .n{color:var(--brand)}
.plan-day.today{background:var(--grad-brand);border-color:transparent}
.plan-day.today .d,.plan-day.today .n{color:#fff}
.task-row{display:flex;align-items:flex-start;gap:10px;padding:11px 0;border-bottom:1px solid var(--line-soft)}
.task-row:last-child{border-bottom:none}
.task-check{width:20px;height:20px;border-radius:6px;border:1.5px solid var(--line);background:#fff;display:grid;place-items:center;flex:none;margin-top:2px}
.task-check.on{background:var(--brand);border-color:var(--brand)}
.task-row .tr-t{font-size:13.5px;font-weight:550;line-height:1.5}
.task-row .tr-s{font-size:11px;color:var(--ink-3);margin-top:2px}
.task-row.done .tr-t{text-decoration:line-through;color:var(--ink-3)}
.timeline{position:relative;padding-left:18px}
.timeline::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:1px;background:var(--line)}
.timeline .tl-item{position:relative;padding:0 0 16px}
.timeline .tl-item::before{content:"";position:absolute;left:-18px;top:5px;width:9px;height:9px;border-radius:50%;background:#fff;border:2px solid var(--brand-3)}
.timeline .tl-item.done::before{background:var(--brand);border-color:var(--brand)}

/* ---------- content ---------- */
.doc{font-size:14.5px;line-height:1.95;color:var(--ink-2)}
.doc h3{font-family:var(--serif);font-size:17px;color:var(--brand-deep);margin:22px 0 8px;font-weight:600}
.doc p{margin:0 0 12px}
.doc ul{padding-left:18px;margin:0 0 12px}
.doc li{margin-bottom:5px}
.doc blockquote{margin:14px 0;padding:12px 14px;border-left:2px solid var(--brand-3);background:var(--brand-mist);border-radius:0 8px 8px 0;font-size:13px;color:var(--ink-2)}
.content-cover{height:96px;border-radius:14px;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:12px;color:#fff;background:linear-gradient(136deg,rgba(11,61,146,.26),rgba(122,77,214,.16)),var(--grad-brand)}
.content-cover::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 80% 20%,rgba(91,140,255,.5),transparent 55%)}
.content-cover.t2{background:linear-gradient(135deg,#0B3D92,#3964fe 58%,#9fc0ff)}
.content-cover.t3{background:linear-gradient(135deg,#0B3D92,#286aff 55%,#5B8CFF)}
.content-cover.t4{background:linear-gradient(135deg,#0B3D92,#3964fe 55%,#9fc0ff)}
.content-cover span{position:relative;z-index:1;font-family:var(--serif);font-size:15px;letter-spacing:.06em}
.ei-f{font-size:9.5px;padding:1px 5px;border-radius:3px;letter-spacing:.04em;white-space:nowrap}

/* ---------- misc ---------- */
.kpi{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:14px 15px;box-shadow:var(--shadow)}
.kpi .v{font-family:var(--serif);font-size:26px;font-weight:600;line-height:1.1;letter-spacing:-.01em;color:var(--brand-deep)}
.kpi .k{font-size:11px;color:var(--ink-3);margin-top:6px;letter-spacing:.04em}
.kpi .d{font-size:10.5px;margin-top:5px;color:var(--jade)}
.kpi .d.up{color:var(--jade)}.kpi .d.down{color:var(--seal)}.kpi .d.flatc{color:var(--ink-3)}
.bar-track{height:6px;border-radius:4px;background:rgba(40,106,255,.08);overflow:hidden}
.bar-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--brand-3),var(--brand));transition:width .5s ease}
.empty{text-align:center;color:var(--ink-3);font-size:13px;padding:34px 16px;line-height:1.8}
.empty .e-ic{font-size:30px;margin-bottom:8px;opacity:.75}
.note{background:rgba(40,106,255,.045);border:1px solid rgba(40,106,255,.09);border-radius:12px;padding:12px 14px;font-size:11.5px;line-height:1.8;color:var(--ink-2)}
.note b{color:var(--brand-deep);font-size:12px}
.role-card{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:16px;border-radius:16px;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s}
.role-card:hover{border-color:rgba(40,106,255,.3);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.role-ic{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;flex:none;background:linear-gradient(140deg,rgba(40,106,255,.14),rgba(91,140,255,.08));color:var(--brand)}
.role-ic svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.rc-t{font-size:15px;font-weight:650;color:var(--ink)}
.rc-s{font-size:11.5px;color:var(--ink-3);margin-top:2px;line-height:1.5}

/* sheets */
.sheet-mask{position:fixed;inset:0;z-index:100;background:rgba(6,40,45,.42);backdrop-filter:blur(6px);display:flex;align-items:flex-end;justify-content:center;animation:fade .2s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.sheet{width:100%;max-width:460px;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);border-radius:22px 22px 0 0;padding:8px 20px 26px;max-height:88vh;overflow-y:auto;animation:up .28s cubic-bezier(.2,.75,.3,1)}
@keyframes up{from{transform:translateY(24px);opacity:.6}to{transform:none;opacity:1}}
.grab{width:34px;height:4px;border-radius:3px;background:var(--line);margin:6px auto 14px}
.sheet h3{font-family:var(--serif);font-size:19px;margin:0 0 6px;color:var(--brand-deep);font-weight:600}
.sheet .sh-sub{font-size:12.5px;color:var(--ink-3);margin:0 0 16px;line-height:1.7}
.sh-actions{display:flex;gap:9px;margin-top:16px}
.sh-actions .btn{flex:1;width:auto}
.sh-actions .btn.ghost{flex:0 0 auto;width:auto;padding-left:16px;padding-right:16px}

/* pay plans：卡片本体是 .plan，.p-pick 只是右侧单选指示点 */
.plan{position:relative;display:block;width:100%;box-sizing:border-box;text-align:left;font-family:inherit;color:inherit;
  border:1px solid var(--line);border-radius:16px;padding:15px 46px 15px 16px;margin-bottom:10px;cursor:pointer;
  background:#fff;transition:.2s;-webkit-appearance:none;appearance:none}
.plan.on{border-color:var(--brand);background:linear-gradient(140deg,rgba(40,106,255,.06),rgba(91,140,255,.03));box-shadow:0 0 0 3px rgba(40,106,255,.08)}
.plan .p-tag{position:absolute;top:-9px;left:16px;font-size:10px;background:var(--conv);color:#fff;padding:2px 8px;border-radius:999px;letter-spacing:.04em;font-weight:600}
.plan .p-name{font-size:14.5px;font-weight:650;color:var(--ink)}
.plan .p-desc{font-size:11.5px;color:var(--ink-3);margin-top:5px;line-height:1.6}
.plan .p-price{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--conv);white-space:nowrap;margin-top:2px;letter-spacing:-.01em}
.plan .p-price small{font-size:11.5px;color:var(--ink-3);font-family:var(--font);font-weight:400;margin-left:2px}
.plan .p-pick{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;border-radius:50%;border:1.5px solid var(--line);background:#fff;box-sizing:border-box}
.plan.on .p-pick{border-color:var(--brand);background:var(--brand);box-shadow:inset 0 0 0 3px #fff}

/* toast */
#toast{position:fixed;left:50%;bottom:96px;transform:translate(-50%,10px);z-index:200;background:rgba(11,61,146,.94);color:#eafcfa;font-size:12.5px;padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:.25s;backdrop-filter:blur(10px);max-width:80vw;text-align:center}
#toast.on{opacity:1;transform:translate(-50%,0)}

/* ===== 品牌 Logo ===== */
.brand-logo{width:34px;height:34px;border-radius:9px;display:block;flex:none;box-shadow:0 2px 8px rgba(11,61,146,.18)}
.brand-mark{width:24px;height:24px;border-radius:7px;flex:none;display:block}
.side-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}

/* ===== 高考日语百科 ===== */
.gb-hero{position:relative;overflow:hidden;border-radius:18px;padding:20px 18px;color:#fff;background:linear-gradient(145deg,#286aff 0%,#4b7bff 46%,#7f5bff 100%)}
.gb-hero:after{content:'';position:absolute;right:-60px;top:-70px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.12)}
.gb-kicker{font-size:10.5px;letter-spacing:.12em;color:rgba(255,255,255,.8);font-weight:600;position:relative;z-index:1}
.gb-hero h3{font-family:var(--serif);font-size:22px;line-height:1.45;margin:8px 0 6px;font-weight:600;position:relative;z-index:1}
.gb-hero > p{font-size:12px;line-height:1.7;color:rgba(255,255,255,.86);margin:0 0 14px;max-width:310px;position:relative;z-index:1}
.gb-facts{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:relative;z-index:1}
.gb-fact{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);border-radius:11px;padding:9px 11px}
.gb-n{font-family:var(--serif);font-size:21px;font-weight:700;line-height:1.1}
.gb-n small{font-size:10.5px;font-weight:400;margin-left:2px;opacity:.8}
.gb-t{font-size:11px;font-weight:600;margin-top:3px}
.gb-s{font-size:9.5px;line-height:1.45;opacity:.78;margin-top:2px}

.gb-cat{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;cursor:pointer;transition:.18s;width:100%}
.gb-cat:active{transform:scale(.99)}
.gb-ic{width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;font-size:17px;background:var(--brand-soft);border:1px solid rgba(40,106,255,.1)}
.gb-ct{font-size:14px;font-weight:650;color:var(--ink)}
.gb-cs{font-size:11px;color:var(--ink-3);margin-top:2px;line-height:1.5}
.gb-ar{color:var(--ink-3);font-size:14px;flex:none}

.gb-entry{display:flex;align-items:center;gap:12px;width:100%;text-align:left;margin-top:14px;padding:15px 16px;border-radius:16px;border:1px solid rgba(40,106,255,.18);background:linear-gradient(135deg,rgba(40,106,255,.09),rgba(127,91,255,.06));cursor:pointer}
.gb-entry-k{font-size:10.5px;font-weight:700;letter-spacing:.08em;color:var(--brand)}
.gb-entry-t{font-family:var(--serif);font-size:14.5px;font-weight:600;color:var(--brand-deep);line-height:1.5;margin-top:3px}
.gb-entry-s{font-size:10.5px;color:var(--ink-3);margin-top:4px;line-height:1.5}
.gb-entry-ar{flex:none;font-size:16px;color:var(--brand)}

.cmp-row{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 14px}
.cmp-k{font-size:13px;font-weight:700;color:var(--brand-deep);margin-bottom:8px}
.cmp-line{display:flex;gap:8px;font-size:12.5px;line-height:1.6;color:var(--ink-2);margin-bottom:4px}
.cmp-tag{flex:none;font-size:10px;padding:1px 6px;border-radius:4px;height:18px;line-height:16px;margin-top:1px}
.cmp-tag.jp{background:var(--brand-soft);color:var(--brand)}
.cmp-tag.en{background:rgba(107,112,137,.1);color:var(--ink-3)}
.cmp-note{font-size:10.5px;color:var(--ink-3);line-height:1.55;margin-top:6px;padding-top:6px;border-top:1px dashed var(--line)}

.gb-ul{margin:8px 0 0;padding-left:16px;font-size:12px;line-height:1.75;color:var(--ink-2)}
.gb-ul li{margin-bottom:3px}
.gb-kv{display:flex;justify-content:space-between;gap:12px;margin-top:8px;font-size:12px;color:var(--ink-3)}
.gb-kv b{color:var(--ink);font-weight:600;text-align:right}
.gb-kv-row{display:flex;gap:8px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:9px 11px}
.gb-bar{height:5px;border-radius:3px;background:var(--line);margin:10px 0 2px;overflow:hidden}
.gb-bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,#286aff,#7f5bff)}
.gb-tip{margin-top:9px;font-size:11px;line-height:1.6;color:var(--ink-3);background:var(--brand-mist);border-radius:8px;padding:7px 9px}
.gb-pit{margin-top:9px;font-size:11px;line-height:1.6;color:#8a4b00;background:var(--amber-soft);border-radius:8px;padding:7px 9px}

.gb-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:12px;display:table}
.gb-table th{background:var(--brand-mist);text-align:left;font-size:10.5px;letter-spacing:.04em;color:var(--ink-3);padding:8px 10px;font-weight:600}
.gb-table td{padding:10px;border-top:1px solid var(--line);vertical-align:top;line-height:1.55;color:var(--ink-2)}
.gb-table td b{color:var(--brand-deep)}
.gb-num{width:44px;text-align:center;font-family:var(--serif);font-size:14px;color:var(--brand);font-weight:600}
.gb-td-s{font-size:10px;color:var(--ink-3);line-height:1.5;margin-top:3px;font-weight:400}
.gb-chips{display:flex;flex-wrap:wrap;gap:7px}
.gb-pill{font-size:11px;padding:5px 10px;border-radius:20px;background:var(--card);border:1px solid var(--line);color:var(--ink-3)}
.gb-pill b{color:var(--brand);font-family:var(--serif);margin-left:2px}

.gb-tl{position:relative;padding-left:18px;margin-top:6px}
.gb-tl:before{content:'';position:absolute;left:4px;top:8px;bottom:10px;width:1px;background:var(--line)}
.gb-tl-item{position:relative;margin-bottom:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 14px}
.gb-tl-item:before{content:'';position:absolute;left:-18px;top:16px;width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(40,106,255,.13)}
.gb-tl-t{font-size:14px;font-weight:700;color:var(--brand-deep)}
.gb-tl-s{font-size:10.5px;color:var(--ink-3);margin-top:2px}
.gb-goal{margin-top:8px;font-size:12px;font-weight:600;color:var(--ink);background:var(--brand-mist);border-radius:7px;padding:6px 9px;line-height:1.5}
.gb-check{margin-top:8px;font-size:10.5px;color:var(--japan);line-height:1.55}

.gb-faq{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 14px}
.gb-faq summary{list-style:none;cursor:pointer;display:flex;gap:8px;align-items:flex-start;padding:13px 0;font-size:13px;font-weight:600;color:var(--ink);line-height:1.55}
.gb-faq summary::-webkit-details-marker{display:none}
.gb-q{flex:none;font-size:10px;font-weight:700;color:var(--brand);background:var(--brand-soft);border-radius:4px;padding:2px 5px;margin-top:2px}
.gb-a{font-size:12.5px;line-height:1.8;color:var(--ink-2);padding:11px 0 14px;border-top:1px dashed var(--line)}

/* 正文内表格（内容中心文章 / 后台导入的 HTML 正文） */
.doc table{width:100%;border-collapse:collapse;margin:6px 0 14px;font-size:12.5px;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.doc thead th{background:var(--brand-mist);text-align:left;font-size:11px;color:var(--ink-3);padding:8px 10px;font-weight:600}
.doc tbody td{padding:9px 10px;border-top:1px solid var(--line);line-height:1.65;vertical-align:top}
.doc tbody td b{color:var(--brand-deep)}
.doc em{font-style:normal;background:var(--amber-soft);border-radius:3px;padding:0 3px}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}


/* ---------- 在线咨询悬浮入口 ---------- */
[hidden]{display:none!important}
.consult-fab{
  position:fixed;right:14px;bottom:calc(80px + env(safe-area-inset-bottom));z-index:29;
  display:flex;align-items:center;gap:7px;padding:10px 15px;border:0;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;
  box-shadow:0 12px 26px -12px rgba(40,106,255,.72), 0 2px 8px rgba(40,106,255,.18);
  cursor:pointer;transition:transform .18s ease, box-shadow .18s ease;
}
.consult-fab svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.consult-fab:active{transform:scale(.96)}
body.no-consult .consult-fab{display:none!important}
@media (min-width:1120px){
  .consult-fab{right:calc(50% - 215px + 14px);bottom:104px}
}

/* ---------- 咨询二维码弹层 ---------- */
.qr-wrap{display:flex;justify-content:center;padding:6px 0 4px}
.qr-wrap img{display:block;width:240px;height:240px;border-radius:12px;background:#fff;box-shadow:0 4px 16px -10px rgba(6,40,45,.45)}
.qr-tip{font-size:12.5px;line-height:1.7;color:var(--ink-3);text-align:center;margin:10px 0 0;padding:0 6px}

/* ---------- 备案号 ---------- */
.side-beian{margin-top:auto;padding-top:18px;font-size:11px;color:var(--ink-3);letter-spacing:.02em}
.side-beian a{color:var(--ink-3);border-bottom:1px solid var(--line-soft)}
.side-beian a:hover{color:var(--brand)}
.side-beian .beian-more{display:block;margin-top:6px;border-bottom:none;text-decoration:underline;text-underline-offset:2px}
.beian{display:block;text-align:center;font-size:11px;line-height:1.95;color:var(--ink-3);margin:26px 0 6px;letter-spacing:.02em}
.beian a{color:var(--ink-3);border-bottom:1px solid var(--line-soft)}
.beian a:hover{color:var(--brand)}

/* ---------- 关于本应用 / 能力披露 ---------- */
.about-hero{
  border-radius:18px;padding:20px 20px 18px;color:#fff;
  background:linear-gradient(140deg,#0b2350 0%,#123a7a 55%,#286aff 135%);
  box-shadow:0 12px 30px -18px rgba(11,35,80,.7)
}
.about-hero .ah-side{
  display:inline-block;font-size:10.5px;letter-spacing:.06em;padding:3px 8px;border-radius:5px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);margin-bottom:10px
}
.about-hero h2{font-size:20px;font-weight:720;letter-spacing:-.01em;margin:0 0 8px}
.about-hero p{font-size:12.5px;line-height:1.75;color:rgba(255,255,255,.82);margin:0}

.disc-item{padding:12px 0;border-bottom:1px solid var(--line-soft)}
.disc-item:last-child{border-bottom:none;padding-bottom:2px}
.disc-item .di-k{font-size:11.5px;font-weight:650;color:var(--ink-3);letter-spacing:.02em;margin-bottom:4px}
.disc-item .di-v{font-size:13px;line-height:1.72;color:var(--ink-2)}
.disc-item .di-v b{color:var(--ink);font-weight:650}
.disc-item .di-v .mono{font-size:12px;word-break:break-all}

.basis-row{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line-soft)}
.basis-row:last-child{border-bottom:none}
.basis-row .br-k{flex:0 0 68px;font-size:12.5px;font-weight:650;color:var(--ink)}
.basis-row .br-v{flex:1;font-size:12.5px;line-height:1.7;color:var(--ink-3)}

.about-foot{font-size:11.5px;line-height:1.85;color:var(--ink-3);text-align:center;margin:22px 0 4px}
.about-foot a{color:var(--ink-3);border-bottom:1px solid var(--line-soft)}
.basis-group{font-size:10.5px;font-weight:700;letter-spacing:.06em;color:var(--brand);margin:10px 0 2px;padding-top:4px}