/* ==========================================================================
   XINNI TEXTILE — Design System
   Quiet-luxury B2B apparel. Warm neutrals, editorial serif, generous space.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Ink scale */
  --ink:        #191722;
  --ink-2:      #2E2B36;
  --ink-3:      #575269;
  --ink-4:      #85809A;

  /* Paper scale (warm) */
  --paper:      #FCFAF6;
  --paper-2:    #F5F3F6;
  --paper-3:    #ECE9F0;
  --paper-4:    #DED9E4;

  /* Accent — pulled from the company logo (lavender ribbon #A293B4).
     Kept as a full ramp so the warm paper/ink base stays intact; only the
     accent hue moves, which lifts the palette toward the brand without
     turning the site cold. */
  --plum:       #A293B4;   /* logo base — fills, rules, marks */
  --plum-d:     #7C6E8E;   /* text/links on paper (AA on #FCFAF6) */
  --plum-d2:    #645B6F;   /* hover/emphasis */
  --plum-l:     #C4B9D2;   /* accent on dark sections */
  --plum-tint:  #F1EEF5;   /* wash backgrounds */

  /* Legacy aliases kept so existing rules resolve to the new accent. */
  --camel:      var(--plum);
  --camel-d:    var(--plum-d);
  --camel-l:    var(--plum-l);
  --forest:     #2E3A32;
  --clay:       #9C5B44;

  --line:       #E7E2EA;
  --line-2:     #D6CFDC;

  /* Type */
  --font-display: "Cormorant Garamond", "EB Garamond", "Iowan Old Style", Georgia, "Songti SC", "STSong", serif;
  --font-sans:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Space & layout */
  --maxw: 1280px;
  --maxw-narrow: 780px;
  --gutter: clamp(20px, 4.4vw, 60px);
  --sec-y: clamp(64px, 9vw, 132px);

  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 14px;

  --sh-s: 0 1px 2px rgba(25,23,34,.05), 0 10px 28px -16px rgba(25,23,34,.16);
  --sh-m: 0 2px 6px rgba(25,23,34,.05), 0 30px 70px -34px rgba(25,23,34,.28);

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);

  --knit: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='20' viewBox='0 0 28 20'%3E%3Cg fill='none' stroke='%23a293b4' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round' opacity='.55'%3E%3Cpath d='M2 17 L8 6 L14 17'/%3E%3Cpath d='M15 17 L21 6 L27 17'/%3E%3Cpath d='M-5 7 L1 -4 L7 7'/%3E%3Cpath d='M23 7 L29 -4 L35 7'/%3E%3C/g%3E%3C/svg%3E");
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.68;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }

img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,h5,p,figure,blockquote { margin: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }
::selection { background: var(--camel); color: #fff; }

:focus-visible { outline: 2px solid var(--camel); outline-offset: 3px; border-radius: 2px; }

/* ---------- 3. Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: var(--maxw-narrow); }
.sec { padding-block: var(--sec-y); }
.sec--tight { padding-block: clamp(44px, 6vw, 78px); }
.sec--paper2 { background: var(--paper-2); }
.sec--paper3 { background: var(--paper-3); }
.sec--ink { background: var(--ink); color: var(--paper-2); }
.sec--line { border-top: 1px solid var(--line); }

.grid { display: grid; gap: clamp(22px, 3vw, 38px); }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.g-2-1 { grid-template-columns: 1.15fr .85fr; }
.g-1-2 { grid-template-columns: .85fr 1.15fr; }
@media (max-width: 980px) {
  .g3, .g4, .g-2-1, .g-1-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 680px) {
  .g2, .g3, .g4, .g-2-1, .g-1-2 { grid-template-columns: minmax(0,1fr); }
}

/* ---------- 4. Typography ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--plum-d);
  font-weight: 500;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; opacity: .55; }
.eyebrow--plain::before { display: none; }
.sec--ink .eyebrow { color: var(--camel-l); }

h1, .h1, h2, .h2, h3, .h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--ink);
}
h1, .h1 { font-size: clamp(2.4rem, 5.6vw, 4.35rem); }
h2, .h2 { font-size: clamp(1.85rem, 3.6vw, 2.9rem); line-height: 1.12; }
h3, .h3 { font-size: clamp(1.25rem, 1.9vw, 1.6rem); line-height: 1.22; }
h4, .h4 {
  font-family: var(--font-sans); font-weight: 600;
  font-size: .95rem; letter-spacing: .005em; line-height: 1.45;
}
.sec--ink h1, .sec--ink h2, .sec--ink h3, .sec--ink h4 { color: var(--paper); }

.lede { font-size: clamp(1.05rem, 1.5vw, 1.24rem); line-height: 1.62; color: var(--ink-2); }
.muted { color: var(--ink-3); }
.small { font-size: .875rem; line-height: 1.6; }
.xs { font-size: .78rem; line-height: 1.55; }
.sec--ink .lede, .sec--ink .muted { color: #B9B2A6; }

.sec-head { max-width: 46ch; margin-bottom: clamp(34px, 4.4vw, 58px); }
.sec-head--wide { max-width: 62ch; }
.sec-head .eyebrow { margin-bottom: 20px; }
.sec-head h2 + p { margin-top: 18px; }
.sec-head--center { margin-inline: auto; text-align: center; }
.sec-head--center .eyebrow { justify-content: center; }

.italic { font-style: italic; }
.nowrap { white-space: nowrap; }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 28px;
  font-size: .82rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--camel-d); }
.btn--ghost { border-color: var(--line-2); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.btn--light { background: var(--paper); color: var(--ink); }
.btn--light:hover { background: var(--camel); color: #fff; }
.btn--outline-light { border-color: rgba(255,255,255,.4); color: var(--paper); }
.btn--outline-light:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn--sm { padding: 11px 20px; font-size: .74rem; }
.btn--block { width: 100%; }

.tlink {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--camel-d); border-bottom: 1px solid transparent; padding-bottom: 3px;
  transition: gap .3s var(--ease), border-color .3s var(--ease);
}
.tlink::after { content: "→"; font-size: 1em; transition: transform .3s var(--ease); }
.tlink:hover { border-color: currentColor; }
.tlink:hover::after { transform: translateX(4px); }
.sec--ink .tlink { color: var(--camel-l); }

/* ---------- 6. Header ---------- */
.hdr {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  transition: background .38s var(--ease), box-shadow .38s var(--ease), border-color .38s var(--ease);
  border-bottom: 1px solid transparent;
}
.hdr__in {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: 76px;
}
.hdr.is-solid {
  background: rgba(252,250,246,.9);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line);
}
.hdr__logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
/* Official company logo (lavender ribbon mark), white->transparent cut from the
   supplied JPG. White knockout variant is used on the transparent header over
   dark heroes. See assets/brand/ for the source assets. */
.hdr__mark {
  width: 38px; height: 38px; flex-shrink: 0;
  background: url("../brand/xinni-mark.png") center/contain no-repeat;
}
.hdr__name {
  font-family: var(--font-display); font-size: 1.34rem; letter-spacing: .02em;
  line-height: 1; color: var(--ink); font-weight: 500;
}
.hdr__sub {
  font-family: var(--font-mono); font-size: 8.5px; letter-spacing: .26em;
  text-transform: uppercase; color: var(--ink-4); margin-top: 4px; display: block;
}
.hdr__nav { display: flex; align-items: center; gap: 4px; }
.hdr__link {
  position: relative; padding: 9px 14px; font-size: .8rem; font-weight: 500;
  letter-spacing: .04em; color: var(--ink-2); border-radius: var(--r-sm);
  transition: color .25s var(--ease);
}
.hdr__link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 1px;
  background: var(--camel); transform: scaleX(0); transform-origin: left;
  transition: transform .34s var(--ease);
}
.hdr__link:hover { color: var(--ink); }
.hdr__link:hover::after, .hdr__link.is-active::after { transform: scaleX(1); }
.hdr__link.is-active { color: var(--ink); font-weight: 600; }
.hdr__cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.hdr__tel {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .04em; color: var(--ink-3);
  transition: color .25s var(--ease);
}
.hdr__tel:hover { color: var(--camel-d); }

/* Over-hero (transparent) variant */
.hdr--over .hdr__name { color: #fff; }
.hdr--over .hdr__sub { color: rgba(255,255,255,.6); }
.hdr--over .hdr__mark { background-image: url("../brand/xinni-mark-white.png"); }
.hdr--over .hdr__link { color: rgba(255,255,255,.82); }
.hdr--over .hdr__link:hover, .hdr--over .hdr__link.is-active { color: #fff; }
.hdr--over .hdr__tel { color: rgba(255,255,255,.72); }
.hdr--over .hdr__tel:hover { color: #fff; }
.hdr--over .btn--primary { background: var(--paper); color: var(--ink); }
.hdr--over .btn--primary:hover { background: var(--camel); color: #fff; }
.hdr--over .burger span { background: #fff; }
.hdr--over.is-solid .hdr__name { color: var(--ink); }
.hdr--over.is-solid .hdr__sub { color: var(--ink-4); }
.hdr--over.is-solid .hdr__mark { background-image: url("../brand/xinni-mark.png"); }
.hdr--over.is-solid .hdr__link { color: var(--ink-2); }
.hdr--over.is-solid .hdr__link:hover, .hdr--over.is-solid .hdr__link.is-active { color: var(--ink); }
.hdr--over.is-solid .hdr__tel { color: var(--ink-3); }
.hdr--over.is-solid .btn--primary { background: var(--ink); color: var(--paper); }

/* Burger */
.burger {
  display: none; width: 42px; height: 42px; position: relative;
  align-items: center; justify-content: center; margin-right: -10px;
}
.burger span {
  position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--ink);
  transition: transform .34s var(--ease), opacity .24s var(--ease);
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 26px; }
.nav-open .burger span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-open .burger span:nth-child(2) { opacity: 0; }
.nav-open .burger span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.nav-open .burger span { background: var(--ink) !important; }

/* When the drawer is open the header sits on a light surface — force ink colours */
.nav-open .hdr,
.nav-open .hdr--over { background: transparent; border-bottom-color: transparent; }
.nav-open .hdr--over .hdr__name { color: var(--ink); }
.nav-open .hdr--over .hdr__sub { color: var(--ink-4); }
.nav-open .hdr--over .hdr__mark { background-image: url("../brand/xinni-mark.png"); }
.nav-open .hdr--over .hdr__link { color: var(--ink-2); }
.nav-open .hdr--over .hdr__link.is-active { color: var(--ink); }
.nav-open .hdr--over .btn--primary { background: var(--ink); color: var(--paper); }

/* Mobile drawer */
.mnav {
  position: fixed; inset: 0; z-index: 80; background: var(--paper);
  padding: 104px var(--gutter) 48px;
  transform: translateY(-100%); transition: transform .5s var(--ease-out);
  overflow-y: auto;
}
.nav-open .mnav { transform: translateY(0); }
.mnav a {
  display: block; font-family: var(--font-display); font-size: 1.9rem; line-height: 1;
  padding: 18px 0; border-bottom: 1px solid var(--line); color: var(--ink);
}
.mnav a:last-of-type { border-bottom: 0; }
.mnav__meta { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
.mnav__meta p { font-size: .875rem; color: var(--ink-3); }
.mnav__meta a { font-family: var(--font-sans); font-size: .875rem; padding: 6px 0; border: 0; }

@media (max-width: 1080px) {
  .hdr__nav, .hdr__tel { display: none; }
  .burger { display: flex; }
}
@media (max-width: 560px) { .hdr__cta .btn { display: none; } }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative; min-height: min(94vh, 860px);
  display: flex; align-items: flex-end;
  background: var(--ink); color: var(--paper);
  overflow: hidden; padding-block: 132px clamp(48px, 7vw, 84px);
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(120% 88% at 78% 12%, rgba(162,147,180,.55) 0%, rgba(162,147,180,0) 58%),
    radial-gradient(90% 80% at 8% 92%, rgba(60,52,80,.75) 0%, rgba(60,52,80,0) 62%),
    linear-gradient(168deg, #24222E 0%, #1A1822 46%, #100F16 100%);
}
.hero__grain {
  position: absolute; inset: 0; z-index: 1; background-image: var(--grain);
  opacity: .05; pointer-events: none; mix-blend-mode: overlay;
}
.hero__in { position: relative; z-index: 2; width: 100%; }
.hero__eyebrow { color: var(--camel-l); }
.hero__eyebrow::before { background: var(--camel-l); }
.hero h1 { color: var(--paper); max-width: 20ch; margin-top: 24px; }
.hero__sub {
  max-width: 54ch; margin-top: 26px; font-size: clamp(1rem, 1.4vw, 1.16rem);
  line-height: 1.66; color: rgba(252,250,246,.76);
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero__foot {
  margin-top: clamp(46px, 6vw, 76px); padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,.16);
  display: flex; flex-wrap: wrap; gap: 8px clamp(28px, 5vw, 72px);
}
.hero__stat { display: flex; align-items: baseline; gap: 10px; }
.hero__stat b {
  font-family: var(--font-display); font-size: 1.72rem; font-weight: 500;
  color: var(--paper); letter-spacing: -.01em;
}
.hero__stat span { font-size: .8rem; color: rgba(252,250,246,.6); letter-spacing: .02em; }

/* Page hero (interior) */
.phero {
  position: relative; background: var(--ink); color: var(--paper);
  padding-block: clamp(132px, 15vw, 186px) clamp(52px, 7vw, 88px); overflow: hidden;
}
.phero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(100% 78% at 88% 6%, rgba(162,147,180,.45) 0%, transparent 62%);
}
.phero__in { position: relative; z-index: 2; }
.phero h1 { color: var(--paper); margin-top: 22px; max-width: 22ch; }
.phero__sub { max-width: 58ch; margin-top: 22px; color: rgba(252,250,246,.74); font-size: 1.08rem; line-height: 1.64; }

.crumbs { display: flex; gap: 10px; align-items: center; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(252,250,246,.5); }
.crumbs a:hover { color: var(--camel-l); }
.crumbs span { opacity: .45; }

/* ---------- 8. Marquee / logo strip ---------- */
.strip { border-block: 1px solid var(--line); background: var(--paper-2); }
.strip__in { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(20px, 3.6vw, 52px); padding-block: 26px; }
.strip__label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink-4); flex-shrink: 0;
}
.strip__items { display: flex; flex-wrap: wrap; gap: clamp(20px, 3.6vw, 52px); }
.strip__item {
  font-family: var(--font-display); font-size: 1.14rem; color: var(--ink-3);
  letter-spacing: .04em; opacity: .82;
}

/* ---------- 9. Cards ---------- */
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: clamp(24px, 2.6vw, 36px); height: 100%;
  display: flex; flex-direction: column;
  transition: border-color .34s var(--ease), box-shadow .34s var(--ease), transform .34s var(--ease);
}
.card--hover:hover { border-color: var(--line-2); box-shadow: var(--sh-s); transform: translateY(-3px); }
.card--flat { background: transparent; border: 0; border-top: 1px solid var(--line); border-radius: 0; padding-inline: 0; padding-top: 26px; }
.card--ink { background: var(--ink); color: var(--paper-2); border-color: rgba(255,255,255,.1); }
.card--ink h3, .card--ink h4 { color: var(--paper); }
.card--ink .muted { color: #A29DB8; }
.card__num {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; color: var(--plum-d);
  margin-bottom: 18px;
}
.card h3, .card h4 { margin-bottom: 12px; }
.card p { color: var(--ink-3); font-size: .93rem; }
.card--ink p { color: #A29DB8; }
.card__foot { margin-top: auto; padding-top: 22px; }

/* Icon (inline svg) */
.icn { width: 26px; height: 26px; stroke: var(--camel); fill: none; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 20px; }
.sec--ink .icn, .card--ink .icn { stroke: var(--camel-l); }

/* ---------- 10. Photo slot (replaceable) ---------- */
.ph {
  position: relative; overflow: hidden; border-radius: var(--r-md);
  background: linear-gradient(150deg, var(--paper-3) 0%, var(--paper-4) 52%, #D6CBB6 100%);
  isolation: isolate;
}
.ph::after {
  content: attr(data-label);
  position: absolute; z-index: 2; left: 50%; bottom: 18px; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(25,23,34,.55); background: rgba(252,250,246,.82);
  padding: 6px 12px; border-radius: 999px; white-space: nowrap; max-width: 88%;
  overflow: hidden; text-overflow: ellipsis;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.ph > img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
.ph.is-filled::before, .ph.is-filled::after { display: none; }
.ph:has(> img[src]:not([src=""]))::before,
.ph:has(> img[src]:not([src=""]))::after { display: none; }
.ph > img[src=""], .ph > img:not([src]) { display: none; }

.ph--wide { aspect-ratio: 16 / 9; }
.ph--tall { aspect-ratio: 4 / 5; }
.ph--sq   { aspect-ratio: 1 / 1; }
.ph--pan  { aspect-ratio: 21 / 9; }
.ph--3x2  { aspect-ratio: 3 / 2; }
.ph--fill { position: absolute; inset: 0; border-radius: 0; height: 100%; }

/* ---------- 11. Product card ---------- */
.pcard { display: flex; flex-direction: column; height: 100%; }
.pcard__media { position: relative; margin-bottom: 22px; }
.pcard__tag {
  position: absolute; z-index: 3; top: 14px; left: 14px;
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  background: rgba(252,250,246,.94); color: var(--ink); padding: 6px 11px; border-radius: 999px;
  font-weight: 500;
}
.pcard h3 { font-size: 1.34rem; margin-bottom: 10px; }
.pcard__meta { display: flex; flex-wrap: wrap; gap: 6px 8px; margin-top: 14px; }
.chip {
  font-size: .72rem; letter-spacing: .02em; color: var(--ink-3);
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; background: var(--paper);
}
.chip--camel { color: var(--camel-d); border-color: rgba(162,147,180,.40); background: rgba(162,147,180,.10); }
.chip--ink { background: var(--ink); color: var(--paper-2); border-color: var(--ink); }

/* ---------- 12. Feature / spec list ---------- */
.spec { border-top: 1px solid var(--line); }
.spec__row {
  display: grid; grid-template-columns: minmax(140px, .8fr) 1.6fr; gap: 18px 34px;
  padding-block: 20px; border-bottom: 1px solid var(--line);
}
.spec__k { font-family: var(--font-mono); font-size: .73rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-4); padding-top: 3px; }
.spec__v { color: var(--ink-2); font-size: .95rem; }
.sec--ink .spec, .sec--ink .spec__row { border-color: rgba(255,255,255,.12); }
.sec--ink .spec__v { color: #C4BCB0; }
@media (max-width: 620px) { .spec__row { grid-template-columns: 1fr; gap: 6px; } }

/* Check list */
.ticks { display: grid; gap: 13px; }
.ticks li { display: flex; gap: 12px; align-items: flex-start; font-size: .94rem; color: var(--ink-2); }
.ticks li::before {
  content: ""; flex-shrink: 0; width: 17px; height: 17px; margin-top: 5px; border-radius: 50%;
  background: rgba(162,147,180,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237C6E8E' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat;
}
.sec--ink .ticks li { color: #BEB6AA; }
.sec--ink .ticks li::before { background-color: rgba(196,185,210,.20); }

/* ---------- 13. Timeline ---------- */
.tl { counter-reset: step; border-top: 1px solid var(--line); }
.tl__item {
  counter-increment: step;
  display: grid; grid-template-columns: 74px 1fr; gap: clamp(18px, 3vw, 44px);
  padding-block: clamp(24px, 3vw, 36px); border-bottom: 1px solid var(--line);
  transition: background .34s var(--ease);
}
.tl__item:hover { background: var(--paper-2); }
.tl__n {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; color: var(--plum-d);
  padding-top: 6px;
}
.tl__n::before { content: counter(step, decimal-leading-zero); }
.tl__b { display: grid; grid-template-columns: minmax(190px, .72fr) 1.5fr; gap: 12px 34px; align-items: start; }
.tl__t { font-family: var(--font-display); font-size: 1.4rem; line-height: 1.2; }
.tl__d { color: var(--ink-3); font-size: .94rem; }
@media (max-width: 760px) {
  .tl__item { grid-template-columns: 46px 1fr; }
  .tl__b { grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- 14. Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; }
.stats__c { background: var(--paper); padding: clamp(24px, 2.8vw, 40px) clamp(20px, 2.2vw, 30px); }
.stats__n { font-family: var(--font-display); font-size: clamp(2.1rem, 3.4vw, 3rem); line-height: 1; color: var(--ink); font-weight: 500; }
.stats__n small { font-size: .42em; letter-spacing: .04em; margin-left: 3px; color: var(--plum-d); font-family: var(--font-sans); font-weight: 600; }
.stats__l { margin-top: 12px; font-size: .8rem; letter-spacing: .04em; color: var(--ink-3); }
.sec--ink .stats { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.14); }
.sec--ink .stats__c { background: var(--ink); }
.sec--ink .stats__n { color: var(--paper); }
.sec--ink .stats__l { color: #A29DB8; }
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 460px) { .stats { grid-template-columns: 1fr; } }

/* ---------- 15. Accordion (FAQ) ---------- */
.faq { border-top: 1px solid var(--line); }
.faq__i { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%; display: flex; align-items: flex-start; justify-content: space-between; gap: 24px;
  padding-block: 24px; text-align: left; font-family: var(--font-display);
  font-size: 1.2rem; line-height: 1.35; color: var(--ink);
  transition: color .25s var(--ease);
}
.faq__q:hover { color: var(--camel-d); }
.faq__q::after {
  content: ""; flex-shrink: 0; width: 15px; height: 15px; margin-top: 8px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 4v16M4 12h16' stroke='%23000' stroke-width='2' fill='none'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 4v16M4 12h16' stroke='%23000' stroke-width='2' fill='none'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform .34s var(--ease);
}
.faq__i.is-open .faq__q::after { transform: rotate(45deg); }
.faq__a { overflow: hidden; height: 0; transition: height .38s var(--ease); }
.faq__a > div { padding-bottom: 26px; padding-right: clamp(0px, 6vw, 90px); color: var(--ink-3); font-size: .95rem; }

/* ---------- 16. Forms ---------- */
.form { display: grid; gap: 20px; }
.field { display: grid; gap: 8px; }
.field label {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-4);
}
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 15px; background: var(--paper);
  border: 1px solid var(--line-2); border-radius: var(--r-sm);
  font-size: .95rem; color: var(--ink); transition: border-color .25s var(--ease), background .25s var(--ease);
  appearance: none;
}
.field textarea { min-height: 132px; resize: vertical; line-height: 1.6; }
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B5468' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 15px;
  padding-right: 42px; cursor: pointer;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--camel); background: #fff;
  box-shadow: 0 0 0 3px rgba(162,147,180,.14);
}
.field input::placeholder, .field textarea::placeholder { color: #B4ACA0; }
.field--err input, .field--err textarea, .field--err select { border-color: var(--clay); }
.field__err { font-size: .78rem; color: var(--clay); display: none; }
.field--err .field__err { display: block; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 620px) { .form__row { grid-template-columns: 1fr; } }
.form__note { font-size: .78rem; color: var(--ink-4); line-height: 1.6; }
.form__ok {
  display: none; padding: 30px; border: 1px solid rgba(162,147,180,.45); border-radius: var(--r-md);
  background: rgba(162,147,180,.08);
}
.form__ok.is-on { display: block; }
.form__ok h3 { color: var(--camel-d); margin-bottom: 10px; }

/* ---------- 17. CTA band ---------- */
.band { position: relative; background: var(--ink); color: var(--paper); overflow: hidden; }
.band::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(85% 120% at 92% 100%, rgba(162,147,180,.45) 0%, transparent 60%);
}
.band__in {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1.25fr auto;
  gap: clamp(28px, 4vw, 64px); align-items: center;
  padding-block: clamp(56px, 7vw, 88px);
}
.band h2 { color: var(--paper); max-width: 26ch; }
.band p { color: rgba(252,250,246,.72); margin-top: 16px; max-width: 52ch; }
.band__act { display: flex; flex-direction: column; gap: 12px; }
@media (max-width: 860px) { .band__in { grid-template-columns: 1fr; } .band__act { flex-direction: row; flex-wrap: wrap; } }

/* ---------- 18. Footer ---------- */
.ftr { background: var(--ink); color: #A29DB8; padding-block: clamp(56px, 7vw, 84px) 0; font-size: .9rem; }
.ftr__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: clamp(28px, 3.4vw, 56px); }
.ftr__brand .hdr__name { color: var(--paper); font-size: 1.5rem; }
.ftr__brand .hdr__sub { color: #7B7690; margin-top: 6px; }
.ftr__desc { margin-top: 22px; max-width: 34ch; line-height: 1.7; color: #9A9287; font-size: .875rem; }
.ftr h4 {
  color: var(--paper); font-family: var(--font-mono); font-size: .68rem; letter-spacing: .18em;
  text-transform: uppercase; font-weight: 500; margin-bottom: 20px;
}
.ftr__list li { margin-bottom: 11px; }
.ftr__list a { color: #A29DB8; transition: color .25s var(--ease); }
.ftr__list a:hover { color: var(--camel-l); }
.ftr__bot {
  margin-top: clamp(48px, 6vw, 72px); padding-block: 26px;
  border-top: 1px solid rgba(255,255,255,.11);
  display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: center;
  font-size: .78rem; color: #7B7690;
}
.ftr__bot a:hover { color: var(--camel-l); }
.ftr__legal { display: flex; flex-wrap: wrap; gap: 20px; }
/* ICP / 公安备案号. Hidden until a number is filled into data-icp (see
   ICP-BEIAN-GUIDE.md). Kept in the markup so going live with the number is a
   one-attribute edit rather than an 8-page rewrite. */
.ftr__beian { font-size: .72rem; letter-spacing: .02em; }
.ftr__beian a { color: #7B7690; text-decoration: none; }
.ftr__beian a:hover { color: var(--camel-l); text-decoration: underline; }
.ftr__beian[hidden] { display: none; }
@media (max-width: 900px) { .ftr__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .ftr__top { grid-template-columns: 1fr; } }

/* ---------- 19. Utilities ---------- */
.mt-0{margin-top:0}.mt-8{margin-top:8px}.mt-14{margin-top:14px}.mt-20{margin-top:20px}
.mt-28{margin-top:28px}.mt-36{margin-top:36px}.mt-52{margin-top:52px}
.mb-20{margin-bottom:20px}.mb-32{margin-bottom:32px}
.tc{text-align:center}.tr{text-align:right}
.flex{display:flex}.fwrap{flex-wrap:wrap}.aic{align-items:center}.jcb{justify-content:space-between}
.gap-12{gap:12px}.gap-20{gap:20px}.gap-32{gap:32px}
.full{grid-column:1/-1}
.sticky-top { position: sticky; top: 104px; }
@media (max-width: 980px) { .sticky-top { position: static; } }
.divider { height: 1px; background: var(--line); }
.rule-camel { width: 46px; height: 2px; background: var(--camel); }
.aside-note {
  border-left: 2px solid var(--camel); padding: 4px 0 4px 22px;
  font-size: .9rem; color: var(--ink-3); line-height: 1.7;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 9px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line-2); border-radius: var(--r-sm);
  padding: 10px 15px; font-size: .8rem; color: var(--ink-2); background: var(--paper);
}
.badge b { font-weight: 600; }
.badge--ink { background: var(--ink); color: var(--paper-2); border-color: var(--ink); }
.badge__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--camel); flex-shrink: 0; }
.badge--tbc { border-style: dashed; color: var(--ink-4); }
.badge--tbc .badge__dot { background: var(--ink-4); }

/* Reveal animation */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.rv.is-in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .07s } .rv-d2 { transition-delay: .14s } .rv-d3 { transition-delay: .21s }
.rv-d4 { transition-delay: .28s } .rv-d5 { transition-delay: .35s }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* TBC marker */
.tbc {
  border-bottom: 1px dashed var(--camel); color: var(--camel-d); cursor: help;
  padding-bottom: 1px; white-space: nowrap;
}
.sec--ink .tbc { border-color: var(--camel-l); color: var(--camel-l); }

/* Print */
@media print {
  .hdr, .mnav, .band, .ftr, .hero__grain { display: none; }
  body { background: #fff; }
}