/* =========================================================
   心屿心理 · 样式系统
   主题：暖白 + 柔绿 + 暖橘，低饱和、大留白、圆角卡片
   ========================================================= */

:root {
  --bg:            #FAF7F3;
  --bg-alt:        #F3EDE5;
  --surface:       #FFFFFF;
  --surface-soft:  #FBFAF8;

  --primary:       #6B9080;
  --primary-dark:  #4F7466;
  --primary-soft:  #E6EFE9;
  --accent:        #C97F52;
  --accent-soft:   #F7EBE2;

  --ink:           #2E3330;
  --ink-2:         #4B5450;
  --muted:         #838B87;
  --border:        #E7E1D9;
  --border-2:      #D9D1C6;

  --good:          #6B9080;
  --mild:          #C9A227;
  --mid:           #C97F52;
  --severe:        #B45E4B;

  --radius:        16px;
  --radius-lg:     22px;
  --shadow:        0 2px 8px rgba(46, 51, 48, .04), 0 12px 32px rgba(46, 51, 48, .06);
  --shadow-sm:     0 1px 3px rgba(46, 51, 48, .06);
  --maxw:          1140px;
  --tr:            .22s cubic-bezier(.4, .2, .2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei",
               -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { line-height: 1.35; margin: 0 0 .6em; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: clamp(30px, 4.4vw, 46px); }
h2 { font-size: clamp(22px, 2.6vw, 30px); }
h3 { font-size: 19px; }
p  { margin: 0 0 1.1em; }
a  { color: var(--primary-dark); text-decoration: none; transition: color var(--tr); }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
ul, ol { padding-left: 1.3em; margin: 0 0 1.2em; }
li { margin-bottom: .45em; }
strong { font-weight: 600; color: var(--ink); }
em { font-style: normal; color: var(--ink-2); background: linear-gradient(transparent 62%, var(--primary-soft) 62%); padding: 0 2px; }
code { font-family: ui-monospace, Consolas, Menlo, monospace; font-size: .92em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 780px; }

/* ---------------- 顶部导航 ---------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 247, 243, .86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-in { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; height: 68px;
          display: flex; align-items: center; gap: 12px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--ink); letter-spacing: .02em; }
.logo:hover { color: var(--ink); }
.logo-mark {
  width: 32px; height: 32px; border-radius: 10px; flex: none;
  background: linear-gradient(145deg, var(--primary), #86AFA0);
  display: grid; place-items: center;
}
.logo-mark svg { width: 18px; height: 18px; }
.logo em { background: none; padding: 0; font-style: normal; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 15px; border-radius: 999px; font-size: 15px; color: var(--ink-2);
  transition: background var(--tr), color var(--tr);
}
.nav-links a:hover { background: var(--primary-soft); color: var(--primary-dark); }
.nav-links a.active { background: var(--primary); color: #fff; }
.brand-sub { font-size: 12px; color: var(--muted); font-weight: 400; letter-spacing: .04em; }

.nav-toggle { display: none; margin-left: auto; width: 40px; height: 40px; border: 1px solid var(--border-2);
  background: var(--surface); border-radius: 10px; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 16px; height: 1.5px; background: var(--ink-2); position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ''; position: absolute; left: 0; width: 16px; height: 1.5px; background: var(--ink-2);
}
.nav-toggle span::before { top: -5px; } .nav-toggle span::after { top: 5px; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 500; cursor: pointer; font-family: inherit;
  transition: all var(--tr); line-height: 1.5;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(107, 144, 128, .28); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink-2); border-color: var(--border-2); }
.btn-ghost:hover { background: var(--surface); color: var(--primary-dark); border-color: var(--primary); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #B56D42; color: #fff; }
.btn-sm { padding: 7px 16px; font-size: 14px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------------- 区块通用 ---------------- */
.section { padding: 76px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 620px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--primary-dark); font-weight: 600; margin-bottom: 12px;
}
.lead { font-size: 17px; color: var(--ink-2); }

/* ---------------- Hero ---------------- */
.hero { position: relative; overflow: hidden; padding: 84px 0 76px; background: var(--surface);
        border-bottom: 1px solid var(--border); }
.hero::before {
  content: ''; position: absolute; right: -180px; top: -180px; width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(107,144,128,.14), transparent 68%);
}
.hero::after {
  content: ''; position: absolute; left: -220px; bottom: -260px; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,127,82,.10), transparent 68%);
}
.hero-in { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 span { color: var(--primary-dark); }
.hero .lead { font-size: 18px; margin-bottom: 30px; max-width: 500px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.stat b { display: block; font-size: 27px; color: var(--primary-dark); font-weight: 700; line-height: 1.2; }
.stat span { font-size: 13.5px; color: var(--muted); }

.hero-card { position: relative; }
.hero-art {
  background: linear-gradient(160deg, #EFF5F1, #F7EFE7);
  border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.hero-art-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--primary-soft); }
.hero-art-title { font-size: 15px; font-weight: 600; }
.mood-bars { display: flex; flex-direction: column; gap: 12px; }
.mood-row { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--ink-2); }
.mood-row .bar { flex: 1; height: 9px; border-radius: 99px; background: #fff; overflow: hidden; border: 1px solid var(--border); }
.mood-row .fill { height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--primary), #9BC0AF); }
.mood-row .fill.a { background: linear-gradient(90deg, var(--accent), #E2B08A); width: 62%; }
.mood-row .fill.b { width: 45%; }
.mood-row .fill.c { width: 78%; }
.hero-quote { margin-top: 20px; padding: 14px 16px; background: rgba(255,255,255,.75); border-radius: 14px;
              font-size: 14px; color: var(--ink-2); border: 1px solid var(--border); }

/* ---------------- 卡片网格 ---------------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr);
}
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--border-2); }

.feature-icon {
  width: 46px; height: 46px; border-radius: 13px; background: var(--primary-soft);
  display: grid; place-items: center; margin-bottom: 16px; color: var(--primary-dark);
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-icon.warm { background: var(--accent-soft); color: var(--accent); }
.card h3 { margin-bottom: 8px; font-size: 18px; }
.card p { color: var(--ink-2); font-size: 15px; margin-bottom: 0; }

/* ---------------- 文章卡片 ---------------- */
.meta { font-size: 13px; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.meta .tagrow { display: flex; gap: 6px; flex-wrap: wrap; }

.article-card { display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr); }
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--border-2); }
.article-cover { height: 132px; display: grid; place-items: center; position: relative; }
.article-cover svg { width: 42%; height: 60%; opacity: .8; }
.article-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.article-body h3 { font-size: 18.5px; margin-bottom: 10px; }
.article-body h3 a { color: var(--ink); }
.article-body h3 a:hover { color: var(--primary-dark); }
.article-excerpt { color: var(--ink-2); font-size: 14.5px; display: -webkit-box;
  -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.article-foot { margin-top: auto; padding-top: 16px; display: flex; align-items: center; justify-content: space-between; }

.chip {
  display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: 12.5px;
  background: var(--primary-soft); color: var(--primary-dark);
}
.chip.alt { background: var(--accent-soft); color: var(--accent); }

/* 分类筛选 */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 34px; }
.filter-btn {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--border-2); background: var(--surface);
  font-size: 14.5px; color: var(--ink-2); cursor: pointer; font-family: inherit; transition: all var(--tr);
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary-dark); }
.filter-btn.on { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------------- 文章详情 ---------------- */
.article-head { background: var(--surface); border-bottom: 1px solid var(--border); padding: 48px 0 40px; }
.crumb { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.crumb a { color: var(--muted); } .crumb a:hover { color: var(--primary-dark); }
.article-head h1 { font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 16px; }

.prose { max-width: 760px; margin: 0 auto; }
.prose > p { font-size: 17px; color: var(--ink-2); }
.prose h2 { margin-top: 2em; font-size: 23px; padding-top: 1em; border-top: 1px solid var(--border); }
.prose h3 { margin-top: 1.6em; font-size: 18px; color: var(--primary-dark); }
.prose ul, .prose ol { font-size: 16.5px; color: var(--ink-2); }
.prose li strong { color: var(--ink); }
.prose a { text-decoration: underline; text-decoration-color: var(--border-2); text-underline-offset: 3px; }

.note-box {
  background: var(--accent-soft); border-left: 3px solid var(--accent); border-radius: 0 12px 12px 0;
  padding: 18px 22px; margin: 26px 0; font-size: 15.5px; color: var(--ink-2);
}
.note-box strong { color: var(--accent); }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 56px; padding-top: 34px; border-top: 1px solid var(--border); }
.post-nav-item { padding: 20px 22px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.post-nav-item span { font-size: 12.5px; color: var(--muted); letter-spacing: .06em; }
.post-nav-item strong { display: block; margin-top: 6px; font-size: 16px; line-height: 1.5; }
.post-nav-item.next { text-align: right; }
.empty-card { text-align: right; }

/* ---------------- 测评 ---------------- */
.scale-card { display: flex; flex-direction: column; gap: 14px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.scale-card .row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.scale-cat { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.scale-name { font-size: 20px; font-weight: 600; }
.scale-en { font-size: 13px; color: var(--muted); }
.scale-desc { font-size: 14.5px; color: var(--ink-2); flex: 1; }
.scale-foot { display: flex; gap: 16px; font-size: 13px; color: var(--muted); padding-top: 14px; border-top: 1px dashed var(--border); }

/* 答题 */
.quiz-head { background: var(--surface); border-bottom: 1px solid var(--border); padding: 40px 0 32px; }
.quiz-body { max-width: 820px; margin: 0 auto; padding: 40px 0 80px; }
.q-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px; margin-bottom: 14px; transition: border-color var(--tr); }
.q-item.unanswered { border-color: #E0BFB5; background: #FDF8F6; }
.q-title { font-size: 16.5px; display: flex; gap: 10px; align-items: flex-start; margin-bottom: 14px; }
.q-no { flex: none; width: 26px; height: 26px; border-radius: 8px; background: var(--primary-soft);
  color: var(--primary-dark); font-size: 13px; display: grid; place-items: center; font-weight: 600; margin-top: 3px; }
.q-opts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.q-opt {
  border: 1px solid var(--border-2); background: var(--surface-soft); border-radius: 11px; padding: 11px 8px;
  text-align: center; font-size: 14px; cursor: pointer; transition: all var(--tr); color: var(--ink-2);
  font-family: inherit; line-height: 1.4;
}
.q-opt:hover { border-color: var(--primary); background: var(--primary-soft); }
.q-opt.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.q-opts.cols-5 { grid-template-columns: repeat(5, 1fr); }

.progress-bar { height: 7px; background: var(--bg-alt); border-radius: 99px; overflow: hidden; margin: 22px 0 26px; }
.progress-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--primary), #9BC0AF); transition: width .3s; }
.quiz-status { font-size: 13.5px; color: var(--muted); display: flex; justify-content: space-between; }

/* 结果 */
.result-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 34px; box-shadow: var(--shadow); }
.result-score { display: flex; align-items: baseline; gap: 12px; margin-bottom: 6px; }
.result-score b { font-size: 52px; line-height: 1; font-weight: 700; }
.result-score span { font-size: 15px; color: var(--muted); }
.result-label { display: inline-block; padding: 5px 16px; border-radius: 999px; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.tone-good   { background: var(--primary-soft); color: var(--primary-dark); }
.tone-mild   { background: #FBF3DB; color: #96771A; }
.tone-mid    { background: var(--accent-soft); color: var(--accent); }
.tone-severe { background: #F6E5E1; color: var(--severe); }
.bar-total { height: 10px; background: var(--bg-alt); border-radius: 99px; overflow: hidden; margin: 22px 0 8px; }
.bar-now { height: 100%; border-radius: 99px; transition: width .6s cubic-bezier(.3,.8,.3,1); }
.tone-good-bg { background: linear-gradient(90deg,#8FB6A5,var(--primary)); }
.tone-mild-bg { background: linear-gradient(90deg,#E2C65C,#C9A227); }
.tone-mid-bg  { background: linear-gradient(90deg,#E2A97E,var(--accent)); }
.tone-severe-bg{background: linear-gradient(90deg,#D08A79,var(--severe)); }
.result-hint { font-size: 14px; color: var(--muted); margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); }
.result-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.disclaimer { background: var(--bg-alt); border-radius: 12px; padding: 16px 20px; font-size: 13.5px; color: var(--muted); margin-top: 26px; }

/* ---------------- 预约表单 ---------------- */
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow); }
.field { margin-bottom: 20px; }
.field > label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 9px; color: var(--ink-2); }
.req::after { content: ' *'; color: var(--severe); }
input[type="text"], input[type="tel"], input[type="date"], select, textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border-2); border-radius: 11px;
  font-size: 15px; font-family: inherit; color: var(--ink); background: var(--surface-soft);
  transition: border-color var(--tr), box-shadow var(--tr), background var(--tr);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(107,144,128,.14);
}
textarea { resize: vertical; min-height: 96px; line-height: 1.7; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.choice {
  border: 1px solid var(--border-2); border-radius: 13px; padding: 15px 16px; cursor: pointer;
  background: var(--surface-soft); transition: all var(--tr); position: relative;
}
.choice:hover { border-color: var(--primary); background: var(--primary-soft); }
.choice.on { border-color: var(--primary); background: var(--primary-soft); box-shadow: inset 0 0 0 1px var(--primary); }
.choice b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.choice small { font-size: 13px; color: var(--muted); line-height: 1.5; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }

.slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.slot {
  border: 1px solid var(--border-2); border-radius: 11px; padding: 10px 6px; text-align: center;
  font-size: 14px; cursor: pointer; background: var(--surface-soft); transition: all var(--tr); font-family: inherit; color: var(--ink-2);
}
.slot:hover { border-color: var(--primary); background: var(--primary-soft); }
.slot.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.slot.disabled { opacity: .38; cursor: not-allowed; text-decoration: line-through; }
.slot.disabled:hover { border-color: var(--border-2); background: var(--surface-soft); }

.err { color: var(--severe); font-size: 13px; margin-top: 6px; display: none; }
.err.show { display: block; }

.success-box { text-align: center; padding: 46px 30px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.success-icon { width: 62px; height: 62px; border-radius: 50%; background: var(--primary-soft);
  display: grid; place-items: center; margin: 0 auto 20px; color: var(--primary-dark); }
.success-icon svg { width: 30px; height: 30px; }
.receipt { text-align: left; background: var(--surface-soft); border: 1px dashed var(--border-2);
  border-radius: 14px; padding: 20px 24px; margin: 24px 0; font-size: 14.5px; }
.receipt dl { display: grid; grid-template-columns: auto 1fr; gap: 9px 20px; margin: 0; }
.receipt dt { color: var(--muted); }
.receipt dd { margin: 0; color: var(--ink); }

/* ---------------- 联系我们 / 资讯条 ---------------- */
.info-item { display: flex; gap: 14px; align-items: flex-start; }
.info-item svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--primary); }
.info-item b { display: block; font-size: 14px; }
.info-item span, .info-item a { font-size: 14.5px; color: var(--ink-2); }

.alert-danger { background: #FBF0ED; border: 1px solid #EBD0C8; border-radius: 14px; padding: 18px 22px;
  display: flex; gap: 14px; align-items: flex-start; font-size: 14.5px; color: #8A4B3B; }
.alert-danger svg { width: 20px; height: 20px; flex: none; margin-top: 3px; }
.alert-danger b { display: block; margin-bottom: 2px; color: #7A3F30; }

.cta-band { background: linear-gradient(135deg, var(--primary), #5A8271); color: #fff; border-radius: var(--radius-lg);
  padding: 44px 44px; display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; }
.cta-band h2 { margin-bottom: 8px; }
.cta-band p { margin: 0; opacity: .88; }
.cta-band .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.cta-band .btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; border-color: #fff; }
.cta-band .btn-primary { background: #fff; color: var(--primary-dark); box-shadow: none; }
.cta-band .btn-primary:hover { background: var(--bg); color: var(--primary-dark); }

/* ---------------- 页脚 ---------------- */
.footer { background: var(--surface); border-top: 1px solid var(--border); padding: 52px 0 26px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.footer h4 { font-size: 14.5px; margin-bottom: 14px; color: var(--ink); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 9px; }
.footer li a { font-size: 14.5px; color: var(--muted); }
.footer li a:hover { color: var(--primary-dark); }
.footer p { font-size: 14.5px; color: var(--muted); }
.footer-bottom { margin-top: 38px; padding-top: 22px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; color: var(--muted); }

/* ---------------- 页面标题条 ---------------- */
.page-head { background: var(--surface); border-bottom: 1px solid var(--border); padding: 56px 0 44px; }
.page-head h1 { margin-bottom: 12px; }
.page-head .lead { max-width: 640px; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state svg { width: 52px; height: 52px; opacity: .35; margin-bottom: 14px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1000px) {
  .hero-in { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { max-width: 480px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: var(--surface); border-bottom: 1px solid var(--border); padding: 10px 20px 16px;
    box-shadow: var(--shadow); display: none; gap: 2px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; border-radius: 10px; }
  .nav-toggle { display: flex; }
  .brand-sub { display: none; }
  .section { padding: 56px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .q-opts, .q-opts.cols-5 { grid-template-columns: 1fr 1fr; }
  .slots { grid-template-columns: repeat(3, 1fr); }
  .choice-grid { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-item.next { text-align: left; }
  .cta-band { padding: 32px 26px; }
  .form-card { padding: 24px; }
  .result-card { padding: 24px; }
}
@media (max-width: 520px) {
  .wrap, .nav-in { padding: 0 18px; }
  .hero { padding: 56px 0 48px; }
  .hero-stats { gap: 22px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .choice-grid, .q-opts, .q-opts.cols-5 { grid-template-columns: 1fr; }
  .slots { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .result-score b { font-size: 42px; }
}

@media print {
  .nav, .footer, .result-actions, .hero { display: none; }
  body { background: #fff; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}