/* ============================================================
   王媛律师 · 个人品牌站 — 首页高级设计
   Palette: ivory paper / ink / deep crimson #8B1A1A / warm gold #C4974A
   ============================================================ */

:root {
  --paper: #FAF8F3;
  --paper-deep: #F3EFE6;
  --ink: #191714;
  --ink-soft: #4A453D;
  --ink-faint: #8C857A;
  --crimson: #8B1A1A;
  --crimson-deep: #6E1414;
  --gold: #C4974A;
  --gold-soft: #D9BC85;
  --hairline: #E3DCCC;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--crimson); color: #fff; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 32px; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250, 248, 243, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 32px;
  height: 68px; display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  font-family: var(--serif); font-size: 19px; font-weight: 700;
  color: var(--ink); text-decoration: none; letter-spacing: 0.06em;
  display: flex; align-items: baseline; gap: 10px;
}
.nav-brand .seal {
  font-size: 10px; font-family: var(--sans); font-weight: 500;
  color: var(--gold); letter-spacing: 0.35em; text-transform: uppercase;
}
.nav-links { display: flex; gap: 38px; }
.nav-links a {
  font-size: 13.5px; color: var(--ink-soft); text-decoration: none;
  letter-spacing: 0.14em; position: relative; padding: 4px 0;
  transition: color .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: var(--crimson); transition: width .3s;
}
.nav-links a:hover { color: var(--crimson); }
.nav-links a:hover::after { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 172px 0 110px;
  overflow: hidden;
}
.hero::before {  /* faint radial warmth */
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(196,151,74,0.13), transparent 62%),
    radial-gradient(900px 480px at -6% 108%, rgba(139,26,26,0.07), transparent 60%);
  pointer-events: none;
}
.hero::after {  /* vertical brand line right */
  content: ""; position: absolute; top: 0; bottom: 0; right: 96px;
  width: 1px; background: linear-gradient(to bottom, transparent, var(--gold-soft) 30%, var(--gold-soft) 70%, transparent);
  opacity: .55;
}
.hero-inner { position: relative; }

.hero-vertical {  /* vertical Chinese text, eastern touch */
  position: absolute; right: 128px; top: 6px;
  writing-mode: vertical-rl;
  font-family: var(--serif); font-size: 13px; letter-spacing: 0.55em;
  color: var(--ink-faint);
  border-right: 1px solid var(--hairline);
  padding-right: 14px; height: 340px;
}

.hero-kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12.5px; letter-spacing: 0.28em; color: var(--crimson);
  margin-bottom: 34px; font-weight: 500;
}
.hero-kicker::before { content: ""; width: 34px; height: 1px; background: var(--crimson); }

.hero h1 {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(56px, 7.6vw, 96px);
  line-height: 1.08; letter-spacing: 0.045em;
  margin-bottom: 26px;
}
.hero h1 .accent { color: var(--crimson); }

.hero-positioning {
  display: flex; align-items: center; gap: 18px;
  font-family: var(--serif); font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 600; letter-spacing: 0.2em; color: var(--ink);
  margin-bottom: 30px;
}
.hero-positioning .dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--gold);
  flex: none;
}

.hero-slogan {
  font-family: var(--serif); font-size: 17px; color: var(--gold);
  letter-spacing: 0.1em; margin-bottom: 22px; font-weight: 500;
}
.hero-desc {
  max-width: 560px; font-size: 15.5px; color: var(--ink-soft);
  font-weight: 300; margin-bottom: 44px;
}
.hero-desc b { font-weight: 500; color: var(--ink); }

.hero-cta { display: flex; gap: 18px; margin-bottom: 64px; }

.btn {
  display: inline-block; text-decoration: none; font-size: 13.5px;
  letter-spacing: 0.18em; padding: 15px 38px;
  transition: all .3s ease;
}
.btn-solid {
  background: var(--crimson); color: #F7F1E6;
  border: 1px solid var(--crimson);
}
.btn-solid:hover { background: var(--crimson-deep); border-color: var(--crimson-deep); transform: translateY(-2px); }
.btn-ghost {
  color: var(--ink); border: 1px solid var(--ink-faint);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--crimson); color: var(--crimson); transform: translateY(-2px); }

/* identity credentials — 8-tag grid */
.hero-credentials {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--hairline);
  border: 1px solid var(--hairline); max-width: 860px;
}
.hero-credentials .cred {
  background: var(--paper); padding: 20px 22px 18px;
  transition: transform .25s ease, background .25s ease;
}
.hero-credentials .cred:hover { transform: translateY(-2px); background: var(--paper-deep); }
.cred .cred-no {
  font-family: var(--serif); font-size: 12px; font-weight: 700;
  color: var(--gold); letter-spacing: 0.2em; display: block;
  margin-bottom: 8px;
}
.cred .cred-num {
  font-family: var(--serif); font-size: 19px; font-weight: 700; color: var(--crimson);
  line-height: 1.3; letter-spacing: 0.03em;
}
.cred .cred-cap {
  font-size: 11.5px; color: var(--ink-faint); letter-spacing: 0.06em;
  margin-top: 6px; font-weight: 300;
}

/* ---------- Section frame ---------- */
.section { padding: 104px 0; position: relative; }
.section + .section { border-top: 1px solid var(--hairline); }

.sec-head { display: flex; align-items: baseline; gap: 26px; margin-bottom: 54px; }
.sec-index {
  font-family: var(--serif); font-size: 14px; color: var(--gold);
  letter-spacing: 0.2em; flex: none;
}
.sec-title {
  font-family: var(--serif); font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 700; letter-spacing: 0.06em;
}
.sec-title .en {
  display: block; font-size: 11.5px; font-weight: 400; color: var(--ink-faint);
  letter-spacing: 0.42em; margin-top: 10px; text-transform: uppercase;
}

/* ---------- About ---------- */
.about-grid {
  display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 72px;
}
.about-lede {
  font-family: var(--serif); font-size: 21px; font-weight: 600;
  line-height: 1.8; color: var(--ink); margin-bottom: 26px;
}
.about-lede em { font-style: normal; color: var(--crimson); }
.about-body p { font-size: 15px; color: var(--ink-soft); font-weight: 300; margin-bottom: 18px; }
.about-body b { font-weight: 500; color: var(--ink); }

/* credentials panel */
.about-panel {
  background: var(--paper-deep); border: 1px solid var(--hairline);
  padding: 36px 34px; position: relative;
}
.about-panel::before {
  content: ""; position: absolute; top: 10px; left: 10px; right: 10px; bottom: 10px;
  border: 1px solid rgba(196,151,74,0.35); pointer-events: none;
}
.panel-title {
  font-family: var(--serif); font-size: 14px; letter-spacing: 0.3em;
  color: var(--crimson); margin-bottom: 26px; font-weight: 600;
}
.cred-row {
  display: flex; gap: 16px; padding: 13px 0;
  border-bottom: 1px dashed var(--hairline); font-size: 13px;
}
.cred-row:last-of-type { border-bottom: none; }
.cred-row .k {
  flex: none; width: 34px; color: var(--gold); font-weight: 500;
  letter-spacing: 0.1em; font-family: var(--serif);
}
.cred-row .v { color: var(--ink-soft); line-height: 1.65; }

/* case cards */
.cases {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px;
  margin-top: 58px;
}
.case-card {
  border: 1px solid var(--hairline); background: #fff;
  padding: 34px 34px 30px; position: relative;
  transition: transform .35s ease, box-shadow .35s ease;
}
.case-card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px -18px rgba(25,23,20,0.16); }
.case-card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 44px; height: 3px;
  background: var(--crimson);
}
.case-tag {
  font-size: 11.5px; letter-spacing: 0.24em; color: var(--gold);
  margin-bottom: 16px; font-weight: 500;
}
.case-figure {
  font-family: var(--serif); font-size: 44px; font-weight: 900;
  color: var(--crimson); line-height: 1.15; margin-bottom: 10px;
}
.case-figure .from {
  font-size: 19px; color: var(--ink-faint); font-weight: 500;
  text-decoration: line-through; text-decoration-color: var(--gold-soft);
  margin-right: 12px;
}
.case-figure .arrow { color: var(--gold); font-size: 26px; margin: 0 8px; font-weight: 400; }
.case-card p { font-size: 13.5px; color: var(--ink-soft); font-weight: 300; }

/* ---------- About Editorial Essay ---------- */
.essay { max-width: 820px; margin: 0 auto; }

.essay-title { text-align: center; margin-bottom: 60px; }
.essay-title h3 {
  font-family: var(--serif); font-size: clamp(36px, 4.5vw, 52px);
  font-weight: 900; letter-spacing: 0.06em; margin-bottom: 18px; color: var(--ink);
}
.essay-tagline {
  font-family: var(--serif); font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 600; color: var(--ink); margin-bottom: 14px; line-height: 1.6;
}
.essay-sub {
  font-size: 13.5px; color: var(--ink-faint); font-weight: 400;
  letter-spacing: 0.08em; line-height: 1.8;
}

.essay-intro { margin-bottom: 60px; }
.essay-intro p {
  font-size: 16px; color: var(--ink-soft); font-weight: 300;
  line-height: 2.1; margin-bottom: 18px;
}
.essay-intro b, .essay-block b, .essay-body b { font-weight: 500; color: var(--ink); }

blockquote.essay-quote {
  font-family: var(--serif); font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600; color: var(--ink); line-height: 1.85;
  border-left: 3px solid var(--crimson); padding: 6px 0 6px 28px;
  margin: 32px 0; position: relative;
}
blockquote.essay-quote-big {
  font-size: clamp(22px, 2.8vw, 30px) !important;
  text-align: center; border-left: none !important; padding: 28px 0 !important;
  border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
  margin: 36px 0 !important;
}

.essay-divider {
  text-align: center; margin: 72px 0 48px; position: relative;
}
.essay-divider::before, .essay-divider::after {
  content: ""; position: absolute; top: 50%; width: 28%; height: 1px;
  background: var(--hairline);
}
.essay-divider::before { left: 4%; }
.essay-divider::after { right: 4%; }
.essay-divider span {
  font-family: var(--serif); font-size: clamp(20px, 2.3vw, 27px);
  font-weight: 700; color: var(--crimson); letter-spacing: 0.08em;
  background: var(--paper); padding: 0 28px; position: relative; z-index: 1;
}

.essay-block { margin-bottom: 60px; }
.essay-num {
  font-family: var(--serif); font-size: 13px; font-weight: 700;
  color: var(--gold); letter-spacing: 0.22em; margin-bottom: 10px;
}
.essay-block h3 {
  font-family: var(--serif); font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700; color: var(--ink); letter-spacing: 0.03em;
  margin-bottom: 28px; line-height: 1.5;
}
.essay-block p, .essay-body p {
  font-size: 16px; color: var(--ink-soft); font-weight: 300;
  line-height: 2.1; margin-bottom: 18px;
}

.essay-questions {
  margin: 24px 0; padding: 20px 26px;
  background: var(--paper-deep); border-left: 2px solid var(--gold);
}
.essay-questions p {
  font-size: 15px; color: var(--ink-soft); font-weight: 400;
  margin-bottom: 8px; line-height: 1.8;
}
.essay-questions p:last-child { margin-bottom: 0; }

.essay-focus {
  font-size: 15px !important; color: var(--crimson) !important;
  font-weight: 600 !important; letter-spacing: 0.04em;
  padding: 14px 0; border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline); text-align: center;
}

.essay-catch {
  font-family: var(--serif); font-size: 18px !important;
  color: var(--crimson) !important; font-weight: 700 !important;
  margin-top: 24px !important; text-align: center;
}

.essay-quote-inline {
  font-family: var(--serif); font-size: 17px; font-style: italic;
  color: var(--ink); font-weight: 500; padding-left: 16px;
  border-left: 2px solid var(--hairline); margin: 18px 0;
}

.essay-shift {
  font-family: var(--serif); font-size: 18px; font-weight: 600;
  color: var(--ink); text-align: center; margin: 14px 0 !important;
}
.essay-shift-arrow {
  text-align: center; color: var(--gold); font-size: 15px;
  margin: 6px 0 !important;
}

.essay-body { margin-bottom: 60px; }

.essay-signature {
  text-align: center; margin-top: 72px; padding: 56px 40px;
  background: var(--paper-deep); border: 1px solid var(--hairline);
  position: relative;
}
.essay-signature::before {
  content: ""; position: absolute; top: 12px; left: 12px; right: 12px; bottom: 12px;
  border: 1px solid rgba(196,151,74,0.28); pointer-events: none;
}
.essay-signature h3 {
  font-family: var(--serif); font-size: clamp(28px, 3.2vw, 38px);
  font-weight: 900; letter-spacing: 0.08em; margin-bottom: 22px;
}
.essay-signature .sig-line {
  font-size: 13.5px; color: var(--ink-soft); font-weight: 400;
  letter-spacing: 0.05em; margin-bottom: 6px; line-height: 1.8;
}
.essay-signature .sig-tagline {
  font-family: var(--serif); font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700; color: var(--crimson); letter-spacing: 0.08em;
  margin: 22px 0 16px;
}
.essay-signature .sig-quote {
  font-size: 15px; color: var(--ink-soft); font-weight: 400;
  margin-bottom: 20px; line-height: 1.8;
}
.essay-signature .sig-catch {
  font-family: var(--serif); font-size: 22px; font-weight: 700;
  color: var(--crimson); letter-spacing: 0.12em;
}

.about-extras { margin-top: 72px; max-width: 820px; margin-left: auto; margin-right: auto; }
.essay-link {
  text-align: center; margin-top: 40px;
}
.essay-link a {
  display: inline-block; color: var(--crimson); text-decoration: none;
  font-size: 13px; letter-spacing: 0.16em;
  border-bottom: 1px solid rgba(139,26,26,0.4); padding-bottom: 3px;
  transition: border-color .25s;
}
.essay-link a:hover { border-color: var(--crimson); }

/* ---------- Services ---------- */
.svc-section { background: #141210; color: #EDE7DA; }
.svc-section .sec-title { color: #F5F0E4; }
.svc-section .sec-index { color: var(--gold); }
.svc-section .sec-title .en { color: rgba(237,231,218,0.45); }

.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(237,231,218,0.14); border: 1px solid rgba(237,231,218,0.14); }
.svc-col { background: #141210; padding: 52px 48px; }
.svc-col h3 {
  font-family: var(--serif); font-size: 24px; font-weight: 700;
  letter-spacing: 0.12em; margin-bottom: 8px; color: #F5F0E4;
}
.svc-col .svc-en { font-size: 11px; letter-spacing: 0.4em; color: var(--gold); text-transform: uppercase; display: block; margin-bottom: 30px; }
.svc-list { list-style: none; }
.svc-list li {
  padding: 13px 0; border-bottom: 1px solid rgba(237,231,218,0.1);
  font-size: 14.5px; font-weight: 300; color: rgba(237,231,218,0.85);
  display: flex; align-items: center; gap: 14px;
  transition: color .25s, padding-left .25s;
}
.svc-list li::before { content: "—"; color: var(--gold); flex: none; }
.svc-list li:hover { color: #fff; padding-left: 8px; }
.svc-list li:last-child { border-bottom: none; }

.svc-note {
  margin-top: 44px; padding: 28px 32px;
  border-left: 2px solid var(--gold); background: rgba(196,151,74,0.07);
  font-size: 14px; font-weight: 300; color: rgba(237,231,218,0.85); line-height: 1.9;
}
.svc-note b { color: #fff; font-weight: 500; }
.svc-more {
  display: inline-block; margin-top: 34px; color: var(--gold); text-decoration: none;
  font-size: 13px; letter-spacing: 0.16em;
  border-bottom: 1px solid rgba(196,151,74,0.5); padding-bottom: 3px;
  transition: border-color .25s;
}
.svc-more:hover { border-color: var(--gold); }

/* ---------- Knowledge ---------- */
.kb-section { background: var(--paper-deep); }
.kb-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px; }
.kb-cat h3 {
  font-family: var(--serif); font-size: 16px; font-weight: 700;
  letter-spacing: 0.14em; color: var(--ink); margin-bottom: 6px;
  display: flex; align-items: baseline; justify-content: space-between;
}
.kb-cat .kb-week { font-family: var(--sans); font-size: 11px; color: var(--gold); letter-spacing: 0.18em; font-weight: 500; }
.kb-cat::after {
  content: ""; display: block; width: 28px; height: 2px; background: var(--crimson);
  margin: 14px 0 20px;
}
.kb-cat a {
  display: block; font-size: 13.5px; color: var(--ink-soft); text-decoration: none;
  padding: 11px 0; border-bottom: 1px solid var(--hairline);
  line-height: 1.55; transition: color .2s, padding-left .2s;
}
.kb-cat a:hover { color: var(--crimson); padding-left: 6px; }

/* ---------- Contact ---------- */
.contact-section {
  background: linear-gradient(160deg, #8B1A1A 0%, #6E1414 100%);
  color: #F7F1E6; text-align: center; padding: 120px 0;
  position: relative; overflow: hidden;
}
.contact-section::before {
  content: "境"; position: absolute; font-family: var(--serif);
  font-size: 460px; font-weight: 900; color: rgba(255,255,255,0.045);
  left: -60px; top: 50%; transform: translateY(-50%); line-height: 1;
}
.contact-section::after {
  content: "安"; position: absolute; font-family: var(--serif);
  font-size: 460px; font-weight: 900; color: rgba(255,255,255,0.045);
  right: -60px; top: 50%; transform: translateY(-50%); line-height: 1;
}
.contact-slogan {
  font-family: var(--serif); font-size: clamp(34px, 4.6vw, 54px);
  font-weight: 900; letter-spacing: 0.12em; margin-bottom: 26px;
}
.contact-sub { font-size: 14.5px; font-weight: 300; color: rgba(247,241,230,0.75); margin-bottom: 44px; }
.contact-chip {
  display: inline-block; border: 1px solid rgba(247,241,230,0.4);
  padding: 13px 36px; font-size: 13.5px; letter-spacing: 0.2em;
}
.contact-chip b { color: var(--gold-soft); font-weight: 500; }

/* ---------- Footer ---------- */
.footer {
  background: #100E0C; color: rgba(237,231,218,0.5);
  padding: 42px 0; font-size: 12.5px; font-weight: 300;
}
.footer .container { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer b { color: rgba(237,231,218,0.85); font-weight: 400; }

/* ---------- Reveal animation ---------- */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .svc-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .hero-vertical { display: none; }
  .hero::after { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .svc-grid { grid-template-columns: 1fr; }
  .kb-grid { grid-template-columns: repeat(2, 1fr); }
  .cases { grid-template-columns: 1fr; }
  .hero-credentials { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 0 20px; }
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 12.5px; letter-spacing: 0.08em; }
  .hero { padding: 130px 0 80px; }
  .hero-cta { flex-direction: column; gap: 12px; }
  .hero-credentials { grid-template-columns: 1fr; }
  .kb-grid { grid-template-columns: 1fr; }
  .svc-col { padding: 36px 26px; }
  .contact-section::before, .contact-section::after { display: none; }
  .essay-signature { padding: 40px 24px; }
  .essay-divider::before, .essay-divider::after { width: 18%; }
  blockquote.essay-quote { padding-left: 20px; }
}