/* =====================================================
 * Public site main stylesheet
 * Design language: editorial · spacious · modern · trust
 * Palette: deep navy (brand) + warm gold (accent) + soft cream (paper)
 * =================================================== */

/* ---------- tokens ---------- */
:root {
  --nv-bg:        #fbfaf6;
  --nv-paper:     #ffffff;
  --nv-ink:       #0c1a2b;
  --nv-ink-2:     #324356;
  --nv-muted:     #6c7a89;
  --nv-line:      #e6e3da;
  --nv-line-2:    #efece4;
  --nv-brand:     #0d2742;
  --nv-brand-2:   #143759;
  --nv-accent:    #c9a24b;
  --nv-accent-2:  #b08a32;
  --nv-success:   #2f8f4b;
  --nv-danger:    #c93b3b;

  --nv-radius:    14px;
  --nv-radius-sm: 8px;

  --nv-shadow-sm: 0 1px 2px rgba(12,26,43,.06), 0 1px 1px rgba(12,26,43,.04);
  --nv-shadow:    0 12px 40px -12px rgba(12,26,43,.18), 0 2px 6px rgba(12,26,43,.06);
  --nv-shadow-lg: 0 30px 80px -20px rgba(12,26,43,.28);

  --nv-font:      "Inter", "Helvetica Neue", "Segoe UI", "PingFang SC", "Hiragino Kaku Gothic ProN", "Microsoft YaHei", sans-serif;
  --nv-display:   "Playfair Display", "Times New Roman", "Songti SC", serif;

  --nv-ease:      cubic-bezier(.2,.7,.2,1);
  --nv-dur:       .42s;

  --nv-container: 1240px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--nv-bg);
  color: var(--nv-ink);
  font-family: var(--nv-font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--nv-ease); }
a:hover { color: var(--nv-accent); }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
h1,h2,h3,h4 { font-family: var(--nv-display); font-weight: 600; letter-spacing: -.01em; line-height: 1.15; margin: 0 0 .4em; color: var(--nv-ink); }
h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 1.6vw, 1.45rem); }
p  { margin: 0 0 1em; color: var(--nv-ink-2); }

.nv-container { max-width: var(--nv-container); margin: 0 auto; padding: 0 24px; }

/* selection */
::selection { background: var(--nv-accent); color: #fff; }

/* ---------- header ---------- */
.nv-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,250,246,.78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--nv-ease), border-color .3s var(--nv-ease);
}
.nv-header.is-scrolled {
  background: rgba(255,255,255,.92);
  border-bottom-color: var(--nv-line);
}
.nv-header__inner {
  display: flex; align-items: center; gap: 24px;
  height: 72px;
}
.nv-brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.nv-brand__mark {
  width: 28px; height: 28px; border-radius: 8px;
  background:
    radial-gradient(circle at 30% 30%, var(--nv-accent) 0 35%, transparent 36%),
    linear-gradient(135deg, var(--nv-brand) 0%, var(--nv-brand-2) 100%);
  box-shadow: 0 2px 6px rgba(12,26,43,.2);
}
.nv-brand__name { font-family: var(--nv-display); font-weight: 700; font-size: 1.25rem; letter-spacing: .02em; }

.nv-nav { display: flex; gap: 6px; flex: 1 1 auto; justify-content: center; }
.nv-nav a {
  padding: 8px 14px; border-radius: 999px;
  font-size: .92rem; font-weight: 500; color: var(--nv-ink-2);
  transition: background .2s var(--nv-ease), color .2s var(--nv-ease);
}
.nv-nav a:hover, .nv-nav a.is-active { background: rgba(13,39,66,.06); color: var(--nv-ink); }

.nv-actions { display: flex; align-items: center; gap: 10px; }

.nv-lang { position: relative; }
.nv-lang__btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--nv-line);
  background: var(--nv-paper);
  font-size: .85rem; font-weight: 600; letter-spacing: .04em;
  transition: border-color .2s var(--nv-ease);
}
.nv-lang__btn:hover { border-color: var(--nv-ink); }
.nv-lang__menu {
  position: absolute; right: 0; top: calc(100% + 8px);
  min-width: 180px; padding: 6px; margin: 0;
  background: var(--nv-paper);
  border: 1px solid var(--nv-line);
  border-radius: 12px;
  box-shadow: var(--nv-shadow);
  opacity: 0; transform: translateY(-6px) scale(.98);
  pointer-events: none;
  transition: opacity .2s var(--nv-ease), transform .2s var(--nv-ease);
  z-index: 60;
}
.nv-lang.is-open .nv-lang__menu { opacity: 1; transform: none; pointer-events: auto; }
.nv-lang__menu li { display: block; }
.nv-lang__menu button {
  width: 100%; display: flex; gap: 10px; align-items: center;
  padding: 10px 12px; border-radius: 8px;
  text-align: left; font-size: .9rem;
  transition: background .15s;
}
.nv-lang__menu button:hover { background: rgba(13,39,66,.05); }
.nv-lang__menu button.is-active { color: var(--nv-accent); }
.nv-lang__menu button strong { width: 28px; font-weight: 700; color: var(--nv-ink); letter-spacing: .04em; }

.nv-cta-mobile { display: none; }
.nv-burger { display: none; width: 36px; height: 36px; position: relative; }
.nv-burger span { position: absolute; left: 8px; right: 8px; height: 2px; background: var(--nv-ink); border-radius: 2px; transition: .3s var(--nv-ease); }
.nv-burger span:nth-child(1) { top: 12px; }
.nv-burger span:nth-child(2) { top: 17px; }
.nv-burger span:nth-child(3) { top: 22px; }
.nv-burger.is-open span:nth-child(1) { top: 17px; transform: rotate(45deg); }
.nv-burger.is-open span:nth-child(2) { opacity: 0; }
.nv-burger.is-open span:nth-child(3) { top: 17px; transform: rotate(-45deg); }

/* ---------- buttons ---------- */
.nv-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: .95rem; letter-spacing: .01em;
  border: 1px solid transparent;
  transition: transform .2s var(--nv-ease), background .25s var(--nv-ease), color .25s var(--nv-ease), border-color .25s var(--nv-ease);
}
.nv-btn--primary { background: var(--nv-brand); color: #fff; }
.nv-btn--primary:hover { background: #08182a; color: #fff; transform: translateY(-1px); }
.nv-btn--accent  { background: var(--nv-accent); color: #1a120a; }
.nv-btn--accent:hover { background: var(--nv-accent-2); color: #1a120a; }
.nv-btn--ghost   { border-color: var(--nv-line); background: transparent; color: var(--nv-ink); }
.nv-btn--ghost:hover { border-color: var(--nv-ink); color: var(--nv-ink); }
.nv-btn--lg { padding: 16px 28px; font-size: 1rem; }

/* ---------- kicker / section ---------- */
.nv-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .78rem; font-weight: 600; letter-spacing: .22em;
  text-transform: uppercase; color: var(--nv-accent);
}
.nv-kicker::before {
  content: ""; width: 28px; height: 1px; background: currentColor;
}
.nv-section { padding: 96px 0; }
.nv-section--tight { padding: 64px 0; }
.nv-section__head { max-width: 720px; margin-bottom: 48px; }
.nv-section__head p { color: var(--nv-muted); font-size: 1.05rem; }

/* ---------- HERO ---------- */
.nv-hero {
  position: relative; overflow: hidden;
  padding: 120px 0 96px;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(201,162,75,.18), transparent 60%),
              radial-gradient(900px 600px at -10% 110%, rgba(13,39,66,.10), transparent 60%),
              var(--nv-bg);
}
.nv-hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.nv-hero__title { font-size: clamp(2.6rem, 5.4vw, 4.6rem); }
.nv-hero__title em { font-style: normal; color: var(--nv-accent); }
.nv-hero__lede { font-size: 1.15rem; color: var(--nv-ink-2); max-width: 540px; }
.nv-hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.nv-hero__visual {
  position: relative; aspect-ratio: 4/5;
  border-radius: 28px;
  background: linear-gradient(160deg, var(--nv-brand) 0%, var(--nv-brand-2) 60%, #1d4670 100%);
  box-shadow: var(--nv-shadow-lg);
  overflow: hidden;
}
.nv-hero__visual::before {
  content: ""; position: absolute; inset: -40%;
  background:
    radial-gradient(closest-side, rgba(201,162,75,.55), transparent 70%) 30% 30%/55% 55% no-repeat,
    radial-gradient(closest-side, rgba(255,255,255,.18), transparent 70%) 70% 65%/45% 45% no-repeat;
  filter: blur(20px);
  animation: nv-float 14s ease-in-out infinite alternate;
}
.nv-hero__visual::after {
  content: ""; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg,  rgba(255,255,255,.06) 0 1px, transparent 1px 64px);
  mask-image: radial-gradient(closest-side, #000 60%, transparent 100%);
}
.nv-hero__visual.has-image::before { opacity: .18; z-index: 1; }
.nv-hero__visual.has-image::after { z-index: 2; background: linear-gradient(180deg, rgba(12,26,43,.04), rgba(12,26,43,.38)); mask-image: none; }
.nv-hero__visual-img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.nv-hero__badge {
  position: absolute; left: 24px; bottom: 24px; z-index: 3;
  padding: 14px 18px; border-radius: 14px;
  background: rgba(255,255,255,.92);
  color: var(--nv-ink);
  font-size: .9rem; font-weight: 500;
  box-shadow: var(--nv-shadow);
  display: flex; align-items: center; gap: 12px;
}
.nv-hero__badge strong { font-family: var(--nv-display); font-size: 1.6rem; line-height: 1; }

@keyframes nv-float {
  from { transform: translate3d(0,0,0) rotate(0deg); }
  to   { transform: translate3d(2%, -2%, 0) rotate(8deg); }
}

/* ---------- stats ---------- */
.nv-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.nv-stat { padding: 28px 24px; border-radius: var(--nv-radius); background: var(--nv-paper); border: 1px solid var(--nv-line); }
.nv-stat__num { font-family: var(--nv-display); font-size: 2.4rem; line-height: 1; color: var(--nv-brand); }
.nv-stat__num small { font-size: 1.2rem; color: var(--nv-accent); margin-left: 4px; }
.nv-stat__label { color: var(--nv-muted); font-size: .92rem; margin-top: 8px; }

/* ---------- category cards ---------- */
.nv-cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.nv-cat {
  position: relative; overflow: hidden;
  aspect-ratio: 4/5;
  border-radius: var(--nv-radius);
  background: var(--nv-paper);
  border: 1px solid var(--nv-line);
  box-shadow: var(--nv-shadow-sm);
  transition: transform .35s var(--nv-ease), box-shadow .35s var(--nv-ease);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 20px;
  color: #fff;
  isolation: isolate;
}
.nv-cat::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(160deg, var(--nv-brand) 0%, #1d4670 100%);
}
.nv-cat::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(201,162,75,.45), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.05) 0 1px, transparent 1px 12px);
  transition: transform .6s var(--nv-ease);
}
.nv-cat.has-image::after { background: linear-gradient(180deg, rgba(12,26,43,.08), rgba(12,26,43,.76)); }
.nv-cat__img {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.01);
  transition: transform .6s var(--nv-ease);
}
.nv-cat:hover { transform: translateY(-4px); box-shadow: var(--nv-shadow); }
.nv-cat:hover::after { transform: scale(1.06) rotate(-1deg); }
.nv-cat:hover .nv-cat__img { transform: scale(1.07); }
.nv-cat__name { font-family: var(--nv-display); font-size: 1.5rem; font-weight: 600; }
.nv-cat__desc { font-size: .92rem; opacity: .82; margin-top: 6px; }
.nv-cat__num  { position: absolute; top: 18px; left: 22px; font-size: .8rem; letter-spacing: .2em; opacity: .7; }
.nv-cat__arrow { position: absolute; top: 18px; right: 18px; width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.12); display: grid; place-items: center; transition: background .25s; }
.nv-cat:hover .nv-cat__arrow { background: var(--nv-accent); color: #1a120a; }

/* ---------- product cards ---------- */
.nv-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.nv-product {
  background: var(--nv-paper);
  border: 1px solid var(--nv-line);
  border-radius: var(--nv-radius);
  overflow: hidden;
  transition: transform .35s var(--nv-ease), box-shadow .35s var(--nv-ease), border-color .25s;
}
.nv-product:hover { transform: translateY(-4px); box-shadow: var(--nv-shadow); border-color: transparent; }
.nv-product__media { aspect-ratio: 4/3; overflow: hidden; background: linear-gradient(135deg, #f1ede2, #e6e3d6); position: relative; }
.nv-product__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--nv-ease); }
.nv-product:hover .nv-product__media img { transform: scale(1.06); }
.nv-product__body { padding: 18px 20px 22px; }
.nv-product__cat { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--nv-accent); }
.nv-product__title { font-family: var(--nv-display); font-size: 1.2rem; margin: 6px 0 4px; }
.nv-product__sum { color: var(--nv-muted); font-size: .92rem; margin: 0; min-height: 2.6em; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nv-product__foot { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--nv-line-2); }
.nv-product__price { font-weight: 700; color: var(--nv-brand); }
.nv-product__price small { color: var(--nv-muted); font-weight: 500; margin-right: 4px; }
.nv-product__cta { font-size: .85rem; color: var(--nv-ink); font-weight: 600; }
.nv-product__cta::after { content: " →"; transition: padding .25s; }
.nv-product:hover .nv-product__cta::after { padding-left: 4px; }
.nv-product__badge { position: absolute; top: 12px; left: 12px; padding: 4px 10px; background: var(--nv-accent); color: #1a120a; font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; border-radius: 999px; }

/* ---------- placeholder when image missing ---------- */
.nv-ph {
  width: 100%; height: 100%;
  background:
    linear-gradient(135deg, rgba(13,39,66,.05), rgba(201,162,75,.12)),
    repeating-linear-gradient(45deg, rgba(13,39,66,.04) 0 1px, transparent 1px 14px);
  display: grid; place-items: center;
  color: var(--nv-brand); font-family: var(--nv-display); font-size: 1.6rem; opacity: .7;
}

/* ---------- articles ---------- */
.nv-articles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.nv-article {
  display: flex; flex-direction: column; gap: 14px;
  background: var(--nv-paper); border: 1px solid var(--nv-line);
  border-radius: var(--nv-radius); padding: 18px; transition: box-shadow .25s, transform .25s var(--nv-ease);
}
.nv-article:hover { box-shadow: var(--nv-shadow); transform: translateY(-3px); }
.nv-article__media { aspect-ratio: 16/10; border-radius: 10px; overflow: hidden; background: #efece4; }
.nv-article__media img { width: 100%; height: 100%; object-fit: cover; }
.nv-article__title { font-family: var(--nv-display); font-size: 1.2rem; margin: 4px 0; }
.nv-article__meta  { font-size: .82rem; color: var(--nv-muted); display: flex; gap: 12px; }
.nv-article__sum   { color: var(--nv-muted); font-size: .92rem; margin: 0; }

/* ---------- CTA banner ---------- */
.nv-cta-band {
  position: relative; overflow: hidden;
  background: var(--nv-brand);
  color: #fff;
  border-radius: 28px;
  padding: 64px 56px;
  display: grid; grid-template-columns: 1.4fr .6fr; gap: 32px; align-items: center;
}
.nv-cta-band::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 60%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,75,.45), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}
.nv-cta-band > * { position: relative; z-index: 1; }
.nv-cta-band h2 { color: #fff; }
.nv-cta-band p  { color: rgba(255,255,255,.78); }
.nv-cta-band .nv-btn { align-self: end; }

/* ---------- footer ---------- */
.nv-footer { background: #0a1828; color: #c8d3df; padding-top: 80px; margin-top: 80px; }
.nv-footer h4 { color: #fff; font-family: var(--nv-font); font-weight: 600; font-size: .9rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 18px; }
.nv-footer__grid { display: grid; grid-template-columns: 1.6fr .8fr .9fr 1.1fr; gap: 48px; padding-bottom: 56px; }
.nv-footer__brand p { color: #93a4b6; max-width: 360px; }
.nv-footer__social { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.nv-footer__social a {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 6px 12px; font-size: .8rem; font-weight: 600;
  border: 1px solid rgba(255,255,255,.14); border-radius: 999px; color: #c8d3df;
}
.nv-footer__social a:hover { border-color: var(--nv-accent); color: var(--nv-accent); }
.nv-footer ul li { margin-bottom: 10px; font-size: .92rem; color: #c8d3df; }
.nv-footer ul li a { color: #c8d3df; }
.nv-footer ul li a:hover { color: var(--nv-accent); }
.nv-newsletter { display: flex; gap: 8px; }
.nv-newsletter input {
  flex: 1; padding: 12px 14px; border-radius: 999px;
  background: rgba(255,255,255,.06); color: #fff; border: 1px solid rgba(255,255,255,.16);
  outline: none;
}
.nv-newsletter input::placeholder { color: rgba(255,255,255,.5); }
.nv-newsletter input:focus { border-color: var(--nv-accent); }
.nv-newsletter button { padding: 12px 18px; border-radius: 999px; background: var(--nv-accent); color: #1a120a; font-weight: 700; }
.nv-footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; font-size: .85rem; color: #7e8d9d; }
.nv-footer__bottom .nv-container { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.nv-footer__bottom #nvBeian { color: #7e8d9d; }
.nv-footer__bottom #nvBeian a { color: #93a4b6; margin: 0 8px; }
.nv-footer__bottom #nvBeian a:hover { color: #fff; }
.nv-brand__mark { overflow: hidden; }

/* ---------- forms ---------- */
.nv-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.nv-form__field { display: flex; flex-direction: column; gap: 6px; }
.nv-form__field--full { grid-column: 1 / -1; }
.nv-form label { font-size: .82rem; color: var(--nv-ink-2); font-weight: 500; letter-spacing: .02em; }
.nv-form input, .nv-form select, .nv-form textarea {
  background: var(--nv-paper);
  border: 1px solid var(--nv-line);
  border-radius: 10px;
  padding: 12px 14px;
  outline: none;
  transition: border-color .2s var(--nv-ease), box-shadow .2s var(--nv-ease);
}
.nv-form textarea { min-height: 140px; resize: vertical; }
.nv-form input:focus, .nv-form select:focus, .nv-form textarea:focus {
  border-color: var(--nv-brand);
  box-shadow: 0 0 0 4px rgba(13,39,66,.08);
}
.nv-form__msg { padding: 12px 14px; border-radius: 10px; font-size: .9rem; }
.nv-form__msg--ok  { background: rgba(47,143,75,.1); color: var(--nv-success); border: 1px solid rgba(47,143,75,.2); }
.nv-form__msg--err { background: rgba(201,59,59,.08); color: var(--nv-danger); border: 1px solid rgba(201,59,59,.2); }

/* ---------- detail pages ---------- */
.nv-detail { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; }
.nv-detail__media {
  aspect-ratio: 1/1; border-radius: 20px; overflow: hidden;
  background: linear-gradient(135deg, #f1ede2, #e6e3d6);
  box-shadow: var(--nv-shadow);
}
.nv-detail__media img { width: 100%; height: 100%; object-fit: cover; }
.nv-detail__title { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.nv-detail__price { font-family: var(--nv-display); font-size: 1.8rem; color: var(--nv-brand); margin: 8px 0 0; }
.nv-detail__meta { display: flex; gap: 18px; flex-wrap: wrap; color: var(--nv-muted); font-size: .92rem; margin: 12px 0 24px; }
.nv-detail__specs { padding: 18px 22px; background: #f6f3ec; border-radius: 12px; line-height: 1.8; font-size: .92rem; }
.nv-detail__cta { display: flex; gap: 10px; margin-top: 22px; }

.nv-prose { font-size: 1.02rem; line-height: 1.8; color: var(--nv-ink-2); max-width: 720px; }
.nv-prose h2, .nv-prose h3 { color: var(--nv-ink); margin-top: 1.6em; }
.nv-prose p { margin: 0 0 1em; }
.nv-prose img { border-radius: 12px; margin: 1.6em 0; }

/* ---------- chips / filter bar ---------- */
.nv-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.nv-chip {
  padding: 8px 14px; border-radius: 999px;
  font-size: .9rem; font-weight: 500;
  background: var(--nv-paper); border: 1px solid var(--nv-line);
  transition: border-color .2s, color .2s, background .2s;
  cursor: pointer;
}
.nv-chip:hover { border-color: var(--nv-ink); }
.nv-chip.is-active { background: var(--nv-brand); color: #fff; border-color: var(--nv-brand); }

.nv-toolbar { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.nv-search { position: relative; flex: 0 1 320px; }
.nv-search input { width: 100%; padding: 11px 14px 11px 38px; border-radius: 999px; border: 1px solid var(--nv-line); background: var(--nv-paper); outline: none; }
.nv-search input:focus { border-color: var(--nv-brand); }
.nv-search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--nv-muted); }

/* ---------- pager ---------- */
.nv-pager { display: flex; gap: 6px; justify-content: center; margin-top: 40px; }
.nv-pager button { min-width: 38px; height: 38px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--nv-line); background: var(--nv-paper); font-weight: 600; }
.nv-pager button.is-active { background: var(--nv-brand); color: #fff; border-color: var(--nv-brand); }
.nv-pager button[disabled] { opacity: .4; cursor: not-allowed; }

/* ---------- about page bits ---------- */
.nv-about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.nv-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.nv-value { padding: 28px 24px; border-radius: var(--nv-radius); background: var(--nv-paper); border: 1px solid var(--nv-line); }
.nv-value__icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(201,162,75,.12); color: var(--nv-accent-2); margin-bottom: 14px; }
.nv-value h3 { margin-bottom: 8px; }

.nv-timeline { position: relative; padding-left: 28px; }
.nv-timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--nv-line); }
.nv-timeline__item { position: relative; padding-bottom: 28px; }
.nv-timeline__item::before { content: ""; position: absolute; left: -24px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--nv-accent); box-shadow: 0 0 0 4px var(--nv-bg); }
.nv-timeline__year { font-family: var(--nv-display); font-size: 1.1rem; color: var(--nv-brand); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .nv-stats   { grid-template-columns: repeat(2, 1fr); }
  .nv-cats    { grid-template-columns: repeat(2, 1fr); }
  .nv-products{ grid-template-columns: repeat(2, 1fr); }
  .nv-articles{ grid-template-columns: repeat(2, 1fr); }
  .nv-values  { grid-template-columns: 1fr; }
  .nv-about-intro { grid-template-columns: 1fr; }
  .nv-detail  { grid-template-columns: 1fr; }
  .nv-cta-band{ grid-template-columns: 1fr; padding: 40px 32px; }
  .nv-footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .nv-section { padding: 64px 0; }
  .nv-hero    { padding: 80px 0 56px; }
  .nv-hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .nv-hero__visual { aspect-ratio: 4/3; }
  .nv-products{ grid-template-columns: 1fr; }
  .nv-cats    { grid-template-columns: 1fr 1fr; }
  .nv-articles{ grid-template-columns: 1fr; }
  .nv-form    { grid-template-columns: 1fr; }

  .nv-nav { position: fixed; left: 0; right: 0; top: 72px;
            height: calc(100vh - 72px); height: calc(100dvh - 72px);
            z-index: 70; flex-direction: column; justify-content: flex-start;
            background: #fff; padding: 24px;
            transform: translateX(100%); transition: transform .35s var(--nv-ease);
            border-top: 1px solid var(--nv-line);
            box-shadow: 0 18px 45px rgba(12,26,43,.16);
            overflow-y: auto; }
  .nv-nav.is-open { transform: none; }
  .nv-nav a { padding: 14px 18px; font-size: 1.1rem; }
  .nv-burger { display: block; }
  .nv-cta-mobile { display: none; }
}

/* ---------- reveal animations ---------- */
[data-reveal] {
  opacity: 0; transform: translateY(24px);
  transition: opacity .8s var(--nv-ease), transform .8s var(--nv-ease);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }
[data-reveal][data-reveal-delay="1"].is-revealed { transition-delay: .08s; }
[data-reveal][data-reveal-delay="2"].is-revealed { transition-delay: .16s; }
[data-reveal][data-reveal-delay="3"].is-revealed { transition-delay: .24s; }
[data-reveal][data-reveal-delay="4"].is-revealed { transition-delay: .32s; }

/* ---------- toast ---------- */
.nv-toast { position: fixed; right: 22px; bottom: 22px; z-index: 80; display: grid; gap: 10px; }
.nv-toast__item { padding: 12px 16px; border-radius: 12px; background: var(--nv-paper); border: 1px solid var(--nv-line); box-shadow: var(--nv-shadow); font-size: .9rem; animation: nv-slide-in .35s var(--nv-ease); }
.nv-toast__item--ok  { border-color: rgba(47,143,75,.4); }
.nv-toast__item--err { border-color: rgba(201,59,59,.4); }
@keyframes nv-slide-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- skeleton ---------- */
.nv-skeleton { background: linear-gradient(90deg, #ece9df 25%, #f5f2e8 37%, #ece9df 63%); background-size: 400% 100%; animation: nv-shimmer 1.4s ease infinite; border-radius: 8px; }
@keyframes nv-shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }

/* ---------- product gallery (detail page) ---------- */
.nv-gallery { display: grid; gap: 12px; }
.nv-gallery__main {
  aspect-ratio: 1/1; border-radius: 20px; overflow: hidden;
  background: linear-gradient(135deg, #f1ede2, #e6e3d6);
  box-shadow: var(--nv-shadow);
  position: relative; cursor: zoom-in;
}
.nv-gallery__main img { width: 100%; height: 100%; object-fit: cover; transition: opacity .25s var(--nv-ease); }
.nv-gallery__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.9); border: 0; cursor: pointer; font-size: 1.1rem; display: grid; place-items: center; box-shadow: 0 2px 12px rgba(0,0,0,.15); transition: background .2s; }
.nv-gallery__nav:hover { background: #fff; }
.nv-gallery__nav--prev { left: 14px; }
.nv-gallery__nav--next { right: 14px; }
.nv-gallery__thumbs { display: flex; gap: 8px; overflow-x: auto; padding: 2px; }
.nv-gallery__thumb {
  flex: 0 0 76px; aspect-ratio: 1/1; border-radius: 10px; overflow: hidden;
  border: 2px solid transparent; cursor: pointer; background: var(--nv-line);
  transition: border-color .15s, transform .2s;
}
.nv-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.nv-gallery__thumb.is-active { border-color: var(--nv-brand); }
.nv-gallery__thumb:hover { transform: translateY(-2px); }

/* ---------- lightbox ---------- */
.nv-lightbox { position: fixed; inset: 0; background: rgba(12,26,43,.92); z-index: 200; display: none; align-items: center; justify-content: center; padding: 36px; }
.nv-lightbox.is-open { display: flex; }
.nv-lightbox img { max-width: 100%; max-height: 100%; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.nv-lightbox__close { position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,.15); border: 0; color: #fff; cursor: pointer; font-size: 1.4rem; }
.nv-lightbox__close:hover { background: rgba(255,255,255,.25); }
.nv-lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,.15); color: #fff; border: 0; cursor: pointer; font-size: 1.4rem; }
.nv-lightbox__nav:hover { background: rgba(255,255,255,.28); }
.nv-lightbox__nav--prev { left: 24px; }
.nv-lightbox__nav--next { right: 24px; }

/* ---------- contact methods panel ---------- */
.nv-cm-overlay { position: fixed; inset: 0; background: rgba(12,26,43,.55); z-index: 180; display: none; align-items: center; justify-content: center; padding: 24px; }
.nv-cm-overlay.is-open { display: flex; animation: nv-fade-in .2s ease; }
.nv-cm-panel { width: 380px; max-width: 100%; background: var(--nv-paper); border-radius: 16px; padding: 28px; box-shadow: 0 30px 80px rgba(0,0,0,.3); animation: nv-slide-in .3s var(--nv-ease); }
.nv-cm-panel__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.nv-cm-panel__head h3 { margin: 0; font-family: var(--nv-display); font-size: 1.3rem; }
.nv-cm-panel__close { background: none; border: 0; cursor: pointer; font-size: 1.6rem; color: var(--nv-muted); padding: 0; }
.nv-cm-panel__close:hover { color: var(--nv-ink); }
.nv-cm-panel__lede { color: var(--nv-muted); margin: 0 0 14px; font-size: .92rem; }
.nv-cm-row { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border: 1px solid var(--nv-line); border-radius: 10px; margin-bottom: 8px; cursor: pointer; transition: border-color .15s, transform .15s; text-decoration: none; color: inherit; }
.nv-cm-row:hover { border-color: var(--nv-brand); transform: translateY(-1px); }
.nv-cm-row__icon { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; color: #fff; }
.nv-cm-row__icon svg { width: 20px; height: 20px; }
.nv-cm-row__icon--whatsapp { background: #25D366; }
.nv-cm-row__icon--email    { background: var(--nv-brand); }
.nv-cm-row__icon--phone    { background: #4a8edb; }
.nv-cm-row__icon--wechat   { background: #07C160; }
.nv-cm-row__icon--telegram { background: #29A6E0; }
.nv-cm-row__icon--line     { background: #06C755; }
.nv-cm-row__icon--skype    { background: #00AFF0; }
.nv-cm-row__icon--qq       { background: #12B7F5; }
.nv-cm-row__icon--other    { background: var(--nv-ink-2); }
.nv-cm-row__body { flex: 1; min-width: 0; }
.nv-cm-row__label { font-weight: 600; font-size: .96rem; }
.nv-cm-row__value { color: var(--nv-muted); font-size: .85rem; word-break: break-all; }
.nv-cm-row__copy { font-size: .78rem; color: var(--nv-brand); padding: 4px 8px; border: 1px solid var(--nv-line); border-radius: 6px; background: transparent; cursor: pointer; }
.nv-cm-row__copy:hover { background: var(--nv-line); }
@keyframes nv-fade-in { from { opacity: 0; } to { opacity: 1; } }

/* hide the legacy single-image media block when gallery is in use */
.nv-detail--gallery .nv-detail__media { display: none; }

/* ---- 防御浏览器插件 CSS 注入（卡巴斯基/翻译插件等） ---- */
body { display: block !important; visibility: visible !important; opacity: 1 !important; }
.nv-header { display: flex !important; visibility: visible !important; }
.nv-hero { display: block !important; visibility: visible !important; }
.nv-section { display: block !important; visibility: visible !important; }
.nv-footer { display: block !important; visibility: visible !important; }
main { display: block !important; visibility: visible !important; }