:root {
  --paper: #faf7f1;
  --paper-2: #f3ede2;
  --card: #fffdf9;
  --ink: #2e2b26;
  --ink-2: #4c463c;
  --ink-soft: #7a7365;
  --line: #e4dbca;
  --line-strong: #d3c6b0;
  --red: #a8402f;
  --red-deep: #7c2e24;
  --red-soft: #f7e9e2;
  --green: #3f6153;
  --green-soft: #e9f0eb;
  --gold: #b8914c;
  --shadow: 0 12px 34px rgba(72, 55, 35, .10);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
body.present { font-size: 17.5px; }
body.present .quote-text { font-size: 1.55em; }
body.present .hero-title { font-size: 5.6rem; }

.paper-grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(184,145,76,.075), transparent 34%),
    radial-gradient(circle at 88% 22%, rgba(168,64,47,.045), transparent 30%),
    repeating-linear-gradient(0deg, rgba(120,100,70,.018) 0 1px, transparent 1px 4px);
}
main, .site-header, .site-footer { position: relative; z-index: 1; }

.wrap { width: min(1120px, 100% - 56px); margin: 0 auto; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.35; margin: 0; }
p { margin: 0; }
em { font-style: normal; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(250,247,241,.92);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 22px; height: 70px; }
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.seal {
  width: 38px; height: 38px; display: grid; place-items: center;
  background: var(--red); color: #fff8f0; border-radius: 5px;
  font-family: var(--serif); font-size: 22px; line-height: 1;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.35), 0 3px 8px rgba(124,46,36,.2);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-family: var(--serif); font-size: 17px; letter-spacing: .06em; }
.brand-text small { font-size: 10.5px; color: var(--ink-soft); letter-spacing: .14em; }
.nav { display: flex; align-items: center; gap: 3px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a {
  position: relative; padding: 8px 13px; font-size: 14px; color: var(--ink-2);
  border-radius: 3px; white-space: nowrap; transition: color .2s, background .2s;
}
.nav a:hover { color: var(--red); background: var(--red-soft); }
.nav a.is-active { color: var(--red); font-weight: 600; }
.nav a.is-active::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 1px;
  height: 2px; background: var(--red); border-radius: 2px;
}
.present-btn {
  flex: none; padding: 7px 12px; font-size: 12px; letter-spacing: .05em;
  color: var(--ink-soft); background: transparent;
  border: 1px solid var(--line-strong); border-radius: 3px; transition: .2s;
}
.present-btn:hover, .present-btn[aria-pressed="true"] { color: #fff; background: var(--green); border-color: var(--green); }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
  min-height: 570px; padding: 70px 0 76px;
}
.eyebrow { font-size: 12px; letter-spacing: .22em; color: var(--red); margin-bottom: 18px; }
.hero-title {
  font-size: 5rem; letter-spacing: .04em; line-height: 1.1; margin: 0 0 8px;
  color: var(--ink);
}
.hero-title span { color: var(--red); }
.hero-en { font-family: var(--serif); font-size: 19px; letter-spacing: .06em; color: var(--ink-soft); margin-bottom: 26px; }
.hero-en span { font-size: 13px; letter-spacing: .1em; }
.hero-lead { font-size: 16.5px; line-height: 2; color: var(--ink-2); max-width: 540px; }
.hero-lead strong { color: var(--red); font-weight: 600; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 26px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 24px; border-radius: 3px; font-size: 14px; letter-spacing: .04em;
  border: 1px solid transparent; transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--red); color: #fff9f3; box-shadow: 0 6px 16px rgba(168,64,47,.22); }
.btn-primary:hover { background: var(--red-deep); }
.btn-ghost { border-color: var(--line-strong); color: var(--ink-2); background: transparent; }
.btn-ghost:hover { border-color: var(--red); color: var(--red); }
.btn-small { padding: 8px 16px; font-size: 13px; border-color: var(--line-strong); background: var(--card); color: var(--ink-2); }
.btn-small:hover { border-color: var(--red); color: var(--red); }
.hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 12.5px; color: var(--ink-soft); }
.hero-meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--line-strong); }

.hero-book { position: relative; display: grid; place-items: center; min-height: 430px; }
.book-stack {
  position: absolute; width: 260px; height: 356px; border-radius: 3px;
  background: var(--paper-2); border: 1px solid var(--line);
  transform: rotate(6deg) translate(24px, 10px); box-shadow: var(--shadow);
}
.book-stack::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 9px, rgba(120,100,70,.05) 9px 10px);
}
.book-figure { position: relative; z-index: 1; margin: 0; display: grid; justify-items: center; gap: 14px; }
.book-cover {
  display: block; width: 266px; height: 364px; object-fit: cover;
  border-radius: 3px 8px 8px 3px;
  transform: rotate(-5deg);
  box-shadow: -12px 16px 28px rgba(74,38,28,.22), 0 3px 8px rgba(74,38,28,.18);
  cursor: zoom-in; transition: transform .25s, box-shadow .25s;
}
.book-cover:hover { transform: rotate(-3deg) translateY(-4px); box-shadow: -12px 22px 34px rgba(74,38,28,.28), 0 4px 10px rgba(74,38,28,.2); }
.book-figure figcaption { font-size: 11.5px; letter-spacing: .1em; color: var(--ink-soft); }

/* ---------- sections ---------- */
.view { display: none; animation: fade .35s ease both; }
.view.is-active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.band { padding: 66px 0; border-top: 1px solid var(--line); }
.section-head { max-width: 780px; margin-bottom: 34px; }
.section-head-row { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.section-no { display: inline-block; font-size: 11.5px; letter-spacing: .2em; color: var(--red); margin-bottom: 12px; }
.section-head h2 { font-size: 30px; letter-spacing: .03em; }
.section-desc { margin-top: 14px; color: var(--ink-soft); font-size: 14.5px; line-height: 1.95; }
.section-tools { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding-bottom: 4px; }
.text-link { font-size: 13px; color: var(--red); white-space: nowrap; padding-bottom: 4px; border-bottom: 1px solid var(--line-strong); }
.text-link:hover { border-color: var(--red); }
.sub-title { font-size: 19px; margin: 0 0 18px; }
.label { display: inline-block; font-size: 11px; letter-spacing: .16em; color: var(--gold); text-transform: uppercase; }

.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.intro-grid .intro-card-wide { grid-column: 1 / -1; }
.intro-card { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 26px 28px; }
.intro-card h3 { font-size: 20px; margin: 10px 0 10px; }
.intro-card p { color: var(--ink-soft); font-size: 14px; line-height: 1.9; }
.intro-card blockquote {
  margin: 14px 0 10px; font-family: var(--serif); font-size: 22px; line-height: 1.75;
  color: var(--ink); padding-left: 20px; border-left: 3px solid var(--red);
}
.cite { font-size: 12px; color: var(--ink-soft) !important; text-align: right; }
.myths { margin-top: 42px; }
.myth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.myth { background: var(--paper-2); border: 1px solid var(--line); border-radius: 4px; padding: 22px; position: relative; }
.myth-no { font-size: 11px; letter-spacing: .14em; color: var(--red); }
.myth h4 { font-size: 17px; margin: 8px 0 10px; }
.myth p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.85; }
.act-three { margin-top: 42px; background: var(--green); color: #f2f7f3; border-radius: 4px; padding: 30px 32px 26px; }
.act-three .label { color: #d6c9a0; margin-bottom: 14px; }
.act-three-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 8px; }
.act-three-row > div { border-left: 1px solid rgba(255,255,255,.22); padding-left: 20px; }
.act-three-row strong { display: block; font-family: var(--serif); font-size: 22px; letter-spacing: .08em; margin-bottom: 6px; }
.act-three-row span { font-size: 13px; opacity: .82; line-height: 1.8; }
.act-three-note { margin-top: 22px !important; font-size: 12.5px; opacity: .75; }

/* ---------- cards ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.quote-grid .quote-card:first-child { grid-column: span 2; }
.quote-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 4px;
  padding: 26px 26px 20px; position: relative; transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.quote-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.quote-no { font-family: var(--serif); font-size: 13px; color: var(--gold); letter-spacing: .1em; }
.quote-text { font-family: var(--serif); font-size: 22px; line-height: 1.75; margin: 12px 0 18px; flex: 1; }
.quote-grid .quote-card:first-child .quote-text { font-size: 26px; }
.quote-meta { display: flex; justify-content: space-between; gap: 10px; align-items: flex-end; border-top: 1px dashed var(--line); padding-top: 12px; }
.quote-source { font-size: 12px; color: var(--ink-soft); }
.quote-tag { font-size: 11px; color: var(--red); background: var(--red-soft); border-radius: 2px; padding: 2px 8px; white-space: nowrap; }
.quote-grid .quote-note { font-size: 13px; color: var(--ink-soft); line-height: 1.85; border-top: 1px dashed var(--line); margin: 14px 0 0; padding-top: 12px; }
.quote-grid + .closing-note { margin: 26px 0 0; }

.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.method-card { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 24px; transition: .2s; }
.method-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-strong); }
.method-card .m-no { font-family: var(--serif); font-size: 30px; color: var(--red); line-height: 1; }
.method-card h3 { font-size: 20px; margin: 12px 0 4px; }
.method-card .m-en { font-size: 11px; letter-spacing: .1em; color: var(--ink-soft); }
.method-card .m-line { font-size: 14px; color: var(--ink-2); margin: 14px 0 12px; line-height: 1.85; }
.method-card .m-chapter { font-size: 11.5px; color: var(--gold); letter-spacing: .05em; }

.channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.channel-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 4px;
  padding: 26px; display: flex; flex-direction: column; gap: 8px; min-height: 168px;
  transition: .2s; position: relative; overflow: hidden;
}
.channel-card::after { content: ""; position: absolute; right: -24px; bottom: -30px; width: 90px; height: 90px; border: 1px solid var(--line); border-radius: 50%; }
.channel-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--red); }
.channel-card .ch-no { font-family: var(--serif); font-size: 12px; letter-spacing: .16em; color: var(--gold); }
.channel-card h3 { font-size: 23px; }
.channel-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.85; }
.channel-card .ch-count { margin-top: auto; font-size: 11.5px; color: var(--red); letter-spacing: .06em; }

/* 首页最后一个内容区之后直接接页脚 */

/* ---------- page head ---------- */
.page-head { padding: 72px 0 38px; border-bottom: 1px solid var(--line); margin-bottom: 34px; }
.page-head h1 { font-size: 42px; letter-spacing: .04em; }
.page-head h1 em { font-size: 20px; color: var(--ink-soft); letter-spacing: .08em; margin-left: 8px; }
/* 标题里的数量数字与标题同字号 */
.page-head h1 em.num { font-size: inherit; color: var(--red); letter-spacing: .02em; margin-left: 0; font-family: var(--serif); }
.page-head > p { max-width: 800px; margin-top: 16px; color: var(--ink-soft); font-size: 14.5px; line-height: 1.95; }
.page-tools { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.hint { font-size: 11.5px; color: var(--ink-soft); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 6px 15px; font-size: 12.5px; color: var(--ink-2); background: var(--card);
  border: 1px solid var(--line-strong); border-radius: 20px; transition: .2s;
}
.chip:hover { border-color: var(--red); color: var(--red); }
.chip.is-active { background: var(--red); color: #fff9f3; border-color: var(--red); }
.search {
  margin-left: auto; padding: 8px 14px; width: 220px; font-size: 13px;
  border: 1px solid var(--line-strong); border-radius: 3px; background: var(--card); color: var(--ink);
  outline: none;
}
.search:focus { border-color: var(--red); box-shadow: 0 0 0 3px var(--red-soft); }

/* ---------- quote list ---------- */
.quote-list { display: grid; gap: 18px; padding-bottom: 20px; }
.quote-list .quote-card { padding: 34px 38px 26px; }
.quote-list .quote-text { font-size: 28px; margin: 16px 0 22px; }
.quote-list .quote-note { font-size: 13.5px; color: var(--ink-soft); line-height: 1.9; border-top: 1px dashed var(--line); padding-top: 16px; }
.closing-note {
  margin: 30px 0 80px; padding: 24px 28px; border-left: 3px solid var(--gold);
  background: var(--paper-2); font-family: var(--serif); font-size: 17px; line-height: 1.9; color: var(--ink-2);
}

/* ---------- method detail ---------- */
.method-detail-list { display: grid; gap: 20px; padding-bottom: 70px; }
.method-detail { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 32px 36px; display: grid; grid-template-columns: 88px 1fr; gap: 24px; }
.method-detail .md-no { font-family: var(--serif); font-size: 58px; color: var(--red); line-height: 1; opacity: .85; }
.method-detail h2 { font-size: 25px; }
.method-detail .md-en { font-size: 11.5px; letter-spacing: .12em; color: var(--ink-soft); margin: 4px 0 14px; }
.method-detail .md-lead { font-size: 15px; color: var(--ink-2); line-height: 1.9; margin-bottom: 18px; }
.md-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.md-block h4 { font-size: 14px; color: var(--red); letter-spacing: .08em; margin-bottom: 8px; }
.md-block ol, .md-block ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 13.5px; line-height: 1.95; }
.md-practice { margin-top: 20px; background: var(--green-soft); border-radius: 3px; padding: 16px 20px; font-size: 13.5px; line-height: 1.9; color: var(--ink-2); }
.md-practice strong { color: var(--green); }
.md-chapter { margin-top: 14px; font-size: 11.5px; color: var(--gold); letter-spacing: .06em; }
/* 友善之手：12 步流程图 */
.method-detail.has-poster .md-cols { grid-template-columns: 1.7fr 1fr; }
.md-steps { columns: 2; column-gap: 30px; }
.md-steps li { break-inside: avoid; -webkit-column-break-inside: avoid; margin-bottom: 8px; }
.md-poster {
  margin: 22px 0 0; padding: 18px; background: var(--paper-2); border: 1px solid var(--line);
  border-radius: 4px; display: grid; justify-items: center; gap: 12px;
}
.md-poster img {
  display: block; width: min(430px, 100%); height: auto; border-radius: 3px;
  box-shadow: var(--shadow); cursor: zoom-in; transition: transform .2s;
}
.md-poster img:hover { transform: scale(1.015); }
.md-poster figcaption { font-size: 12px; color: var(--ink-soft); text-align: center; }

/* ---------- concepts ---------- */
.concept-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-bottom: 70px; }
.concept-card { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 24px 24px 18px; align-self: start; }
.concept-card .c-group { font-size: 11px; letter-spacing: .12em; color: var(--gold); }
.concept-card h3 { font-size: 20px; margin: 8px 0 2px; }
.concept-card .c-en { font-size: 11px; color: var(--ink-soft); letter-spacing: .06em; }
.concept-card .c-brief { font-size: 13.5px; color: var(--ink-2); line-height: 1.9; margin: 14px 0 0; }
.concept-card details { margin-top: 14px; border-top: 1px dashed var(--line); padding-top: 10px; }
.concept-card summary { font-size: 12.5px; color: var(--red); cursor: pointer; list-style: none; }
.concept-card summary::-webkit-details-marker { display: none; }
.concept-card summary::before { content: "+ "; }
.concept-card details[open] summary::before { content: "− "; }
.concept-card .c-points { margin: 12px 0 4px; padding-left: 18px; font-size: 13px; color: var(--ink-2); line-height: 1.95; }
.concept-card .c-example { margin-top: 10px; font-size: 12.5px; color: var(--ink-soft); background: var(--paper-2); padding: 10px 12px; border-radius: 3px; line-height: 1.85; }
.c-chapter { font-size: 11px; color: var(--gold); margin-top: 12px; }

/* ---------- cases ---------- */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding-bottom: 70px; }
.case-card { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 24px 26px; align-self: start; }
.case-card .case-top { display: flex; align-items: baseline; gap: 10px; }
.case-card .case-no { font-family: var(--serif); font-size: 13px; color: var(--gold); }
.case-card h3 { font-size: 21px; flex: 1; }
.case-card .case-cat { font-size: 11px; color: var(--green); background: var(--green-soft); padding: 2px 9px; border-radius: 2px; white-space: nowrap; }
.case-card .case-summary { font-size: 13.5px; color: var(--ink-2); line-height: 1.9; margin: 12px 0 0; }
.case-card details { margin-top: 14px; border-top: 1px dashed var(--line); padding-top: 10px; }
.case-card summary {
  display: inline-block; font-size: 12.5px; color: var(--red); cursor: pointer; list-style: none;
  background: var(--red-soft); border-radius: 3px; padding: 6px 14px; transition: background .2s;
}
.case-card summary:hover { background: #f0ddd6; }
.case-card summary::-webkit-details-marker { display: none; }
/* 只保留一个展开按钮，文案随状态切换 */
.case-card summary::before { content: "展开故事"; }
.case-card details[open] summary::before { content: "收起故事"; }
.case-section { margin-top: 16px; }
.case-section h4 { font-size: 13px; color: var(--red); letter-spacing: .08em; margin-bottom: 6px; }
.case-section p, .case-section ul { font-size: 13px; color: var(--ink-2); line-height: 1.9; margin: 0; }
.case-section ul { padding-left: 18px; }
.empty { grid-column: 1 / -1; text-align: center; padding: 60px 0; color: var(--ink-soft); }

/* ---------- metaphors ---------- */
.metaphor-feature { background: var(--green); color: #f3f8f4; border-radius: 4px; padding: 34px 38px; margin-bottom: 24px; }
.metaphor-feature .mf-label { font-size: 11px; letter-spacing: .18em; color: #d7c9a2; }
.metaphor-feature h2 { font-size: 27px; margin: 10px 0 16px; }
.metaphor-feature p { font-size: 14px; line-height: 1.95; opacity: .9; max-width: 880px; }
.metaphor-feature ul { margin: 18px 0 0; padding-left: 20px; font-size: 13.5px; line-height: 2; opacity: .92; }
.metaphor-feature .mf-kicker { margin-top: 20px; font-family: var(--serif); font-size: 19px; color: #f4dfae; }
.metaphor-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.metaphor-card { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 24px 26px; align-self: start; }
.metaphor-card .mp-top { display: flex; align-items: baseline; gap: 10px; }
.metaphor-card .mp-no { font-family: var(--serif); font-size: 13px; color: var(--gold); }
.metaphor-card h3 { font-size: 21px; }
.metaphor-card .mp-cat { font-size: 11px; color: var(--green); margin-left: auto; }
.metaphor-card .mp-story { font-family: var(--serif); font-size: 15.5px; line-height: 1.9; margin: 14px 0; color: var(--ink); }
.metaphor-card .mp-label { font-size: 11px; letter-spacing: .1em; color: var(--gold); }
.metaphor-card .mp-text { font-size: 13.5px; color: var(--ink-2); line-height: 1.9; margin: 4px 0 12px; }
.metaphor-card .mp-insight { background: var(--red-soft); border-radius: 3px; padding: 12px 14px; font-size: 13.5px; line-height: 1.85; color: var(--red-deep); }
.metaphor-card .mp-chapter { font-size: 11px; color: var(--ink-soft); margin-top: 12px; }

/* ---------- practices ---------- */
.practice-panel-head { display: flex; align-items: baseline; gap: 12px; margin: 6px 0 20px; }
.practice-panel-head h2 { font-size: 24px; }
.practice-panel-head span { font-size: 12.5px; color: var(--ink-soft); }
.practice-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; padding-bottom: 70px; }
.practice-item { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 20px 22px; }
.practice-item .pi-head { display: flex; align-items: baseline; gap: 10px; }
.practice-item .pi-no { font-family: var(--serif); font-size: 12px; color: var(--gold); }
.practice-item h4 { font-size: 17px; flex: 1; }
.practice-item .pi-chapter { font-size: 11px; color: var(--red); white-space: nowrap; }
.practice-item p { font-size: 13px; color: var(--ink-2); line-height: 1.9; margin-top: 10px; }
.core-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding-bottom: 70px; }
.core-item { background: var(--paper-2); border: 1px solid var(--line); border-radius: 3px; padding: 16px 18px; }
.core-item .core-no { font-family: var(--serif); font-size: 12px; color: var(--gold); }
.core-item h4 { font-size: 16px; margin: 6px 0 6px; }
.core-item p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.85; }
.index-list { display: grid; gap: 10px; padding-bottom: 70px; }
.index-row { display: grid; grid-template-columns: 220px 1fr; gap: 18px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 3px; padding: 15px 20px; }
.index-row strong { font-family: var(--serif); font-size: 16px; }
.index-row span { font-size: 13.5px; color: var(--ink-2); line-height: 1.8; }

/* ---------- footer / misc ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--paper-2); }
.footer-one { padding: 28px 0; text-align: center; font-family: var(--serif); font-size: 14px; letter-spacing: .12em; color: var(--ink-soft); }
.back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 20; width: 40px; height: 40px;
  border-radius: 50%; border: 1px solid var(--line-strong); background: var(--card); color: var(--ink-2);
  font-size: 18px; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: .25s;
}
.back-top.is-visible { opacity: 1; pointer-events: auto; }
.back-top:hover { color: #fff; background: var(--red); border-color: var(--red); }

.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 24px; }
.modal[hidden] { display: none; }
.modal-mask { position: absolute; inset: 0; background: rgba(40,32,24,.5); backdrop-filter: blur(3px); }
.modal-card {
  position: relative; width: min(560px, 100%); background: var(--card); border-radius: 5px;
  border: 1px solid var(--line-strong); padding: 38px 40px 32px; box-shadow: 0 24px 60px rgba(40,30,20,.28);
  animation: pop .25s ease both;
}
@keyframes pop { from { opacity: 0; transform: scale(.96) translateY(8px); } to { opacity: 1; transform: none; } }
.modal-kicker { font-size: 11px; letter-spacing: .2em; color: var(--red); }
.modal-card h3 { font-size: 28px; margin: 16px 0 18px; line-height: 1.7; }
.modal-card #modalBody { font-size: 15px; line-height: 2; color: var(--ink-2); }
.modal-source { font-size: 12px; color: var(--ink-soft); margin-top: 18px; }
.modal-close { position: absolute; top: 14px; right: 16px; border: 0; background: transparent; font-size: 26px; color: var(--ink-soft); line-height: 1; }
.modal-close:hover { color: var(--red); }
.modal-card .btn { margin-top: 24px; }

/* 图片放大（封面与流程图） */
.lightbox {
  position: fixed; inset: 0; z-index: 60; display: grid; place-items: center;
  padding: 56px 24px 70px; background: rgba(38,30,24,.9); cursor: zoom-out;
}
.lightbox[hidden] { display: none; }
.lightbox img {
  max-width: min(720px, 92vw); max-height: 84vh; object-fit: contain;
  border-radius: 4px; background: #fff; box-shadow: 0 24px 60px rgba(0,0,0,.42); cursor: default;
}
.lightbox-close {
  position: absolute; top: 18px; right: 26px; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.08);
  color: #fff; font-size: 26px; line-height: 1; cursor: pointer;
}
.lightbox-close:hover { background: rgba(255,255,255,.22); }
.lightbox-tip { position: absolute; bottom: 22px; color: rgba(255,255,255,.7); font-size: 12px; letter-spacing: .08em; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 20px; padding: 48px 0 56px; }
  .hero-book { min-height: 360px; }
  .book-cover { width: 212px; height: 290px; }
  .book-stack { width: 208px; height: 284px; }
  .hero-title { font-size: 3.8rem; }
  .myth-grid, .act-three-row, .channel-grid { grid-template-columns: 1fr 1fr; }
  .quote-grid, .method-grid, .concept-grid { grid-template-columns: 1fr 1fr; }
  .quote-grid .quote-card:first-child { grid-column: span 2; }
}
@media (max-width: 680px) {
  .wrap { width: min(1120px, 100% - 32px); }
  .header-inner { height: auto; flex-wrap: wrap; padding: 10px 0; gap: 8px; }
  .nav { order: 3; width: 100%; margin-left: 0; }
  .nav a { padding: 7px 11px; font-size: 13px; }
  .present-btn { margin-left: auto; }
  .hero-title { font-size: 3rem; }
  .hero-lead { font-size: 15px; }
  .band { padding: 46px 0; }
  .section-head h2 { font-size: 24px; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
  .page-head { padding: 46px 0 28px; }
  .page-head h1 { font-size: 32px; }
  .page-head h1 em { display: block; margin: 6px 0 0; }
  .page-head h1 em.num { display: inline; margin: 0; font-size: inherit; }
  .section-tools { gap: 8px; }
  .intro-grid, .myth-grid, .act-three-row, .channel-grid,
  .quote-grid, .method-grid, .concept-grid, .case-grid, .metaphor-grid,
  .practice-list, .core-grid, .md-cols { grid-template-columns: 1fr; }
  .quote-grid .quote-card:first-child { grid-column: auto; }
  .quote-list .quote-card { padding: 26px 22px; }
  .quote-list .quote-text, body.present .quote-text { font-size: 23px; }
  .method-detail { grid-template-columns: 1fr; gap: 8px; padding: 26px 22px; }
  .method-detail .md-no { font-size: 40px; }
  .method-detail.has-poster .md-cols { grid-template-columns: 1fr; }
  .md-steps { columns: 1; }
  .search { margin-left: 0; width: 100%; }
  .index-row { grid-template-columns: 1fr; gap: 6px; }
  .act-three { padding: 24px 22px; }
  .modal-card { padding: 30px 24px 26px; }
}
@media print {
  .site-header, .back-top, .page-tools, .present-btn, .hero-actions { display: none !important; }
  .view { display: none !important; }
  .view.is-active { display: block !important; }
  details > * { display: block !important; }
  body { background: #fff; }
}