/* =====================================================================
   FLYDING · 快订 — "GILDED NOIR"
   champagne gold on warm noir · full ornamental · gilded frames
   ===================================================================== */

:root {
  /* ---- surfaces ---- */
  --bg:          #0C0A05;
  --surface:     #17130A;
  --surface-alt: #1D1809;
  --sheet:       #14100A;

  /* ---- gold ---- */
  --primary:       #D4AF37;
  --primary-dark:  #8C6E22;
  --primary-light: #E9CE85;
  --accent:        #F0C85A;

  /* ---- ink ---- */
  --text:            #F4ECD8;
  --text-muted:      #A79D82;
  --text-dim:        #71684E;
  --text-on-primary: #271D06;

  /* ---- lines & light ---- */
  --border:   rgba(212, 175, 55, .30);
  --hairline: rgba(212, 175, 55, .62);
  --glow:     rgba(238, 204, 124, .50);

  /* ---- gold sheen gradient ---- */
  --gold-sheen: linear-gradient(160deg, #F7ECCB 0%, #E9CE85 42%, #8C6E22 100%);
  --gold-text:  linear-gradient(180deg, #F7ECCB 0%, #E9CE85 48%, #C29A2E 100%);

  --font-display: "Cinzel", Georgia, "Times New Roman", serif;
  --font-body:    "EB Garamond", Georgia, "Times New Roman", serif;

  --chamfer: 12px;
  --maxw: 1080px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  letter-spacing: .1px;
  overflow-x: hidden;
  /* fan-scale ground + warm vignette */
  background-image:
    radial-gradient(120% 80% at 50% -10%, rgba(212,175,55,.10) 0%, transparent 55%),
    radial-gradient(90% 60% at 50% 120%, rgba(140,110,34,.08) 0%, transparent 60%),
    radial-gradient(circle at 50% 100%, transparent 58%, rgba(212,175,55,.028) 59%, transparent 61%);
  background-attachment: fixed, fixed, scroll;
  background-size: auto, auto, 46px 23px;
}
img { max-width: 100%; display: block; }
a { color: var(--primary-light); text-decoration: none; }
a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
section { position: relative; }

/* ---------- type ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.18; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); letter-spacing: .12em; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); letter-spacing: .1em; }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.5rem); letter-spacing: .06em; }
h4 { font-size: 1.05rem; letter-spacing: .12em; text-transform: uppercase; color: var(--primary-light); }
p { margin: 0 0 1.1em; }
strong { color: var(--text); font-weight: 600; }

.gold {
  background: var(--gold-text);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.eyebrow {
  font-family: var(--font-display);
  font-size: .74rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 1rem;
  display: inline-flex;
  align-items: center;
  gap: .7em;
}
.eyebrow::before, .eyebrow::after { content: "✦"; color: var(--accent); font-size: .7em; opacity: .85; }
.lead { font-size: 1.25rem; color: var(--text-muted); }
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.center { text-align: center; }

/* ---------- diamond divider ---------- */
.divider {
  display: flex; align-items: center; gap: 1rem;
  color: var(--primary); margin: 2.4rem 0;
}
.divider::before, .divider::after {
  content: ""; height: 1px; flex: 1;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.divider span { font-size: .8rem; letter-spacing: .2em; }

/* ---------- gilded frame / panel ---------- */
.frame {
  position: relative;
  background:
    linear-gradient(180deg, rgba(212,175,55,.05), rgba(212,175,55,0) 40%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2rem 2.1rem;
  box-shadow: inset 0 1px 0 rgba(238,204,124,.08), 0 24px 60px -40px rgba(0,0,0,.9);
}
/* corner ornaments (top-left + bottom-right L brackets) */
.frame::before, .frame::after {
  content: ""; position: absolute; width: 15px; height: 15px; pointer-events: none;
}
.frame::before { top: 7px; left: 7px; border-top: 1px solid var(--hairline); border-left: 1px solid var(--hairline); }
.frame::after  { bottom: 7px; right: 7px; border-bottom: 1px solid var(--hairline); border-right: 1px solid var(--hairline); }

.frame + .frame { margin-top: 1.4rem; }

/* chamfered gilded card (double-layer gold edge) */
.chamfer {
  --c: var(--chamfer);
  position: relative;
  background: var(--gold-sheen);
  clip-path: polygon(var(--c) 0, 100% 0, 100% calc(100% - var(--c)), calc(100% - var(--c)) 100%, 0 100%, 0 var(--c));
  padding: 1.5px;
  box-shadow: 0 0 30px -8px var(--glow);
}
.chamfer > .chamfer-in {
  --c: calc(var(--chamfer) - 1.5px);
  background: var(--surface);
  clip-path: polygon(var(--c) 0, 100% 0, 100% calc(100% - var(--c)), calc(100% - var(--c)) 100%, 0 100%, 0 var(--c));
  padding: 1.9rem 2rem;
  height: 100%;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(12,10,5,.82);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--font-display); font-weight: 700;
  letter-spacing: .28em; font-size: 1.05rem; color: var(--text);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
/* mark is an inline SVG diamond — SVG centering (text-anchor + dominant-baseline)
   places the 快 exactly, independent of the system font's line-box metrics */
.brand .mark { display: inline-flex; flex: 0 0 auto; width: 30px; height: 30px; }
.brand .mark svg { display: block; width: 100%; height: 100%; }
.brand .zh { color: var(--primary); font-size: .85em; letter-spacing: .1em; }
.nav-links { display: flex; gap: 1.6rem; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-family: var(--font-display); font-size: .74rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--text-muted);
}
.nav-links a:hover { color: var(--primary-light); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--primary);
  padding: .4rem .6rem; border-radius: 3px; font-size: 1rem; cursor: pointer; }

/* ---------- buttons ---------- */
.btn {
  --c: 10px;
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  font-family: var(--font-display); font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; font-size: .82rem;
  padding: .95rem 1.9rem; cursor: pointer; border: none;
  clip-path: polygon(var(--c) 0, 100% 0, 100% calc(100% - var(--c)), calc(100% - var(--c)) 100%, 0 100%, 0 var(--c));
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--gold-sheen); color: var(--text-on-primary); box-shadow: 0 0 34px -10px var(--glow); }
.btn-primary:hover { color: var(--text-on-primary); filter: brightness(1.06); box-shadow: 0 0 44px -8px var(--glow); }
.btn-ghost { background: var(--surface-alt); color: var(--primary-light); box-shadow: inset 0 0 0 1px var(--hairline); }
.btn-ghost:hover { color: var(--accent); }

/* ---------- hero ---------- */
.hero { padding: 5.5rem 0 3rem; text-align: center; }
/* inline-block + negative right margin compensates the trailing letter-spacing so centered text stays optically centered */
.hero .tag { display: inline-block; font-family: var(--font-display); letter-spacing: .3em; margin-right: -.3em; font-size: .8rem; color: var(--primary); }
.hero h1 { margin: 1rem 0 .4rem; }
.hero .zh-title { display: inline-block; font-size: clamp(1.4rem,3vw,2rem); color: var(--primary-light); letter-spacing: .5em; margin-right: -.5em; margin-bottom: 1.2rem; font-family: var(--font-display); }
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }

/* orb (book now motif) */
.orb {
  width: 118px; height: 118px; border-radius: 50%; margin: 2.4rem auto 0;
  background: radial-gradient(circle at 38% 32%, #FBF1CE, #E9CE85 40%, #B98F1E 72%, #6E5417 100%);
  display: grid; place-items: center;
  box-shadow: 0 0 0 10px rgba(240,200,90,.06), 0 0 60px 6px var(--glow), inset 0 -8px 20px rgba(110,84,23,.6);
  color: var(--text-on-primary); font-size: 2rem;
  position: relative;
}
.orb::after {
  content: ""; position: absolute; inset: -26px; border-radius: 50%;
  background: radial-gradient(circle, var(--glow), transparent 62%); opacity: .5; z-index: -1;
}

/* ---------- feature grid ---------- */
.grid { display: grid; gap: 1.4rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.feature .ico { font-size: 1.6rem; color: var(--accent); margin-bottom: .6rem; }
.feature h3 { color: var(--text); }
.feature p { color: var(--text-muted); font-size: 1.02rem; margin: 0; }

/* ---------- section heading ---------- */
.section { padding: 4rem 0; }
.section-head { text-align: center; margin-bottom: 2.6rem; }

/* ---------- badges / pills ---------- */
.pill {
  display: inline-flex; align-items: center; gap: .45rem;
  font-family: var(--font-display); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
  padding: .4rem .8rem; border-radius: 100px; border: 1px solid var(--border);
  color: var(--primary-light); background: rgba(212,175,55,.06);
}
.pill.warn { color: #F0C85A; border-color: rgba(240,200,90,.5); }

/* ---------- tables ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 3px; }
table { width: 100%; border-collapse: collapse; min-width: 520px; font-size: 1rem; }
caption { text-align: left; padding: .6rem .2rem; color: var(--text-dim); font-size: .85rem; }
th, td { text-align: left; padding: .85rem 1.1rem; border-bottom: 1px solid var(--border); }
thead th {
  font-family: var(--font-display); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--primary); background: var(--surface-alt);
}
tbody tr:hover { background: rgba(212,175,55,.045); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: none; }
.rar { font-weight: 600; }
.rar.gold { color: var(--primary-light); }
.rar.silver { color: #CFCabf; }
.rar.bronze { color: #C79A6A; }

/* ---------- doc / legal pages ---------- */
.doc { padding: 3rem 0 5rem; }
.doc h2 { margin-top: 2.6rem; }
.doc h3 { margin-top: 1.8rem; color: var(--text); }
.doc ul, .doc ol { padding-left: 1.3rem; color: var(--text-muted); }
.doc li { margin: .4rem 0; }
.doc .updated { color: var(--text-dim); font-size: .95rem; letter-spacing: .04em; }
.toc { font-size: .98rem; }
.toc ul { list-style: none; padding: 0; margin: .5rem 0 0; }
.toc li { margin: .35rem 0; }
.page-title { text-align: center; padding: 3.5rem 0 1rem; }
.page-title h1 { font-size: clamp(2rem, 5vw, 3.2rem); }

/* ---------- callout / note ---------- */
.note {
  border-left: 2px solid var(--primary); background: rgba(212,175,55,.05);
  padding: 1rem 1.3rem; border-radius: 0 3px 3px 0; margin: 1.4rem 0;
  color: var(--text-muted); font-size: 1rem;
}
.note strong { color: var(--primary-light); }

/* ---------- steps (account deletion) ---------- */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 1.5rem 0; }
.steps > li {
  position: relative; padding: 1.2rem 1.3rem 1.2rem 4rem; margin-bottom: 1rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 3px;
}
.steps > li::before {
  counter-increment: s; content: counter(s);
  position: absolute; left: 1rem; top: 1.15rem;
  width: 2rem; height: 2rem; display: grid; place-items: center;
  background: var(--gold-sheen); color: var(--text-on-primary);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  font-family: var(--font-display); font-weight: 700; font-size: .9rem;
}
.steps h3 { margin: 0 0 .3rem; color: var(--text); }
.steps p { margin: 0; color: var(--text-muted); font-size: 1.02rem; }

/* ---------- data rows ---------- */
.data-row {
  display: grid; grid-template-columns: 1.1fr 1fr 1.4fr; gap: 1rem;
  padding: 1.1rem 0; border-bottom: 1px solid var(--border); align-items: start;
}
.data-row:last-child { border-bottom: none; }
.data-row .k { font-family: var(--font-display); letter-spacing: .05em; color: var(--text); font-size: 1.02rem; }
.data-row .tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.data-row .v { color: var(--text-muted); font-size: .98rem; }
.data-head { grid-template-columns: 1.1fr 1fr 1.4fr; display: grid; gap: 1rem; padding: 0 0 .6rem;
  font-family: var(--font-display); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--primary); }

/* ---------- q&a (content rating) ---------- */
.qa { border: 1px solid var(--border); border-radius: 3px; margin: 1rem 0; overflow: hidden; }
.qa .q { padding: 1rem 1.3rem; background: var(--surface-alt); font-family: var(--font-display); letter-spacing: .04em; color: var(--text); }
.qa .a { padding: 1rem 1.3rem; display: flex; align-items: center; gap: .8rem; }
.ans { font-family: var(--font-display); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-size: .8rem; padding: .3rem .8rem; border-radius: 3px; }
.ans.yes { background: rgba(240,200,90,.14); color: var(--accent); box-shadow: inset 0 0 0 1px rgba(240,200,90,.5); }
.ans.no  { background: rgba(113,104,78,.14); color: var(--text-muted); box-shadow: inset 0 0 0 1px var(--border); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border); margin-top: 4rem;
  padding: 3rem 0 2.5rem; background: var(--sheet);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer-grid h4 { color: var(--primary); margin-bottom: .9rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: .45rem 0; }
.footer-grid a { color: var(--text-muted); font-size: .98rem; }
.footer-grid a:hover { color: var(--primary-light); }
.footer-bottom { text-align: center; color: var(--text-dim); font-size: .85rem; margin-top: 2.4rem;
  padding-top: 1.6rem; border-top: 1px solid var(--border); letter-spacing: .04em; }

/* ---------- rating badge ---------- */
.rating-badge {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  width: 90px; height: 90px; border: 2px solid var(--primary); border-radius: 6px;
  font-family: var(--font-display); color: var(--primary-light);
  background: var(--surface-alt); box-shadow: 0 0 24px -8px var(--glow);
}
.rating-badge .big { font-size: 1.8rem; font-weight: 700; line-height: 1; }
.rating-badge .sm { font-size: .58rem; letter-spacing: .14em; margin-top: .3rem; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  body { font-size: 17px; }
  .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .data-row, .data-head { grid-template-columns: 1fr; }
  .data-row .k { font-size: 1.05rem; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: rgba(12,10,5,.98); border-bottom: 1px solid var(--border);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .nav-links.open { max-height: 420px; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { display: block; padding: 1rem; border-top: 1px solid var(--border); }
}