:root {
  --red: #a51f28;
  --red-deep: #74131c;
  --red-soft: #c73a42;
  --ink: #251d1e;
  --muted: #766c6d;
  --cream: #f8f0e9;
  --cream-deep: #efdfd3;
  --glass: rgba(255, 255, 255, 0.72);
  --line: rgba(116, 19, 28, 0.12);
  --shadow: 0 24px 70px rgba(80, 26, 28, 0.1);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--cream);
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-width: 0; }
body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 10% 5%, rgba(198, 62, 70, 0.11), transparent 32rem),
    radial-gradient(circle at 90% 28%, rgba(184, 123, 84, 0.12), transparent 30rem),
    linear-gradient(180deg, #fbf7f3 0%, var(--cream) 55%, #f5ebe4 100%);
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button, summary, a { outline-offset: 4px; }
button:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid rgba(165, 31, 40, 0.45); }
img { display: block; max-width: 100%; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.glass {
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
}

.ambient { position: fixed; border-radius: 50%; filter: blur(10px); pointer-events: none; z-index: -1; }
.ambient-one { width: 22rem; height: 22rem; top: 8rem; left: -10rem; background: rgba(166, 30, 41, 0.1); }
.ambient-two { width: 24rem; height: 24rem; right: -12rem; top: 42%; background: rgba(221, 177, 141, 0.18); }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(250, 245, 240, 0.76); border-bottom: 1px solid rgba(116, 19, 28, 0.08); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { flex: 0 0 auto; width: 42px; height: 42px; background: url("../assets/lazijun-chili.svg") center/contain no-repeat; border-radius: 14px; box-shadow: 0 10px 24px rgba(165, 31, 40, 0.25); }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 18px; letter-spacing: 0.08em; }
.brand small { margin-top: 2px; color: var(--muted); font-size: 11px; letter-spacing: 0.24em; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.text-link { color: var(--muted); text-decoration: none; font-weight: 700; }
.text-link:hover { color: var(--red); }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 22px; border-radius: 16px; color: #fff; background: linear-gradient(135deg, var(--red-soft), var(--red-deep)); box-shadow: 0 12px 28px rgba(134, 21, 30, 0.22); text-decoration: none; font-weight: 800; border: 1px solid rgba(255,255,255,0.24); transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(134, 21, 30, 0.28); }
.button-small { min-height: 42px; padding-inline: 17px; border-radius: 14px; }
.button-ghost { color: var(--red-deep); background: rgba(255,255,255,0.56); box-shadow: none; border-color: rgba(165,31,40,0.16); }

.hero { padding: 56px 0 22px; }
.hero-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.4fr .8fr; align-items: end; gap: 48px; padding: clamp(34px, 6vw, 72px); border-radius: 42px; }
.hero-card::after { content: "11"; position: absolute; right: 3%; top: -13%; color: rgba(165,31,40,.05); font: 900 clamp(170px, 24vw, 310px)/1 Georgia, serif; pointer-events: none; }
.eyebrow { margin: 0 0 12px; color: var(--red); font-size: 12px; font-weight: 900; letter-spacing: .2em; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(46px, 8vw, 86px); line-height: .98; letter-spacing: -.055em; }
h1 span { color: var(--red); }
.hero-copy { max-width: 640px; margin: 26px 0 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.route { position: relative; z-index: 1; display: grid; gap: 10px; justify-items: stretch; }
.route span { display: block; padding: 16px 20px; border-radius: 18px; background: rgba(255,255,255,.7); border: 1px solid rgba(165,31,40,.09); font-weight: 800; }
.route i { width: 1px; height: 18px; margin-left: 25px; background: rgba(165,31,40,.25); }

.step-nav { position: sticky; top: 90px; z-index: 15; padding: 14px 0 36px; }
.step-nav-inner { display: flex; gap: 6px; overflow-x: auto; padding: 10px; border-radius: 20px; scrollbar-width: none; }
.step-nav-inner::-webkit-scrollbar { display: none; }
.step-nav a { flex: 0 0 auto; padding: 10px 13px; border-radius: 12px; color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 800; }
.step-nav a:hover, .step-nav a.is-active { color: #fff; background: var(--red); }

.section-heading { margin: 44px 0 26px; }
.section-heading h2 { margin: 0; font-size: clamp(30px, 5vw, 52px); letter-spacing: -.045em; }
.section-heading > p:last-child { color: var(--muted); }
.step-card { position: relative; scroll-margin-top: 160px; margin-bottom: 32px; padding: clamp(22px, 4vw, 42px); border-radius: 34px; }
.step-heading { display: grid; grid-template-columns: 76px 1fr; align-items: start; gap: 22px; margin-bottom: 26px; }
.step-number { display: grid; place-items: center; width: 76px; height: 76px; border-radius: 23px; color: #fff; background: linear-gradient(145deg, var(--red-soft), var(--red-deep)); font: 800 28px/1 Georgia, serif; box-shadow: 0 12px 26px rgba(134,21,30,.22); }
.step-heading h3 { margin: 3px 0 8px; font-size: clamp(24px, 3vw, 34px); letter-spacing: -.025em; }
.step-heading p { margin: 0; color: var(--muted); line-height: 1.7; }
.visual, .visual-grid { min-width: 0; }
.visual { position: relative; padding: 12px; border-radius: 24px; background: rgba(255,255,255,.52); border: 1px solid rgba(165,31,40,.1); }
.visual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.image-button { display: block; width: 100%; padding: 0; overflow: hidden; border: 0; border-radius: 16px; background: #f6efea; cursor: zoom-in; }
.image-button img { width: 100%; height: auto; object-fit: contain; transition: transform .28s ease; }
.image-button:hover img { transform: scale(1.008); }
.visual > span { display: block; padding: 11px 4px 0; color: var(--muted); font-size: 12px; text-align: right; }
.callout { margin: 18px 0 0; padding: 18px 20px; border-radius: 18px; color: #664d44; background: linear-gradient(135deg, rgba(255,244,221,.82), rgba(255,255,255,.72)); border: 1px solid rgba(190,129,80,.18); line-height: 1.7; }
.callout strong { color: var(--red-deep); }

.faq { padding: 30px 0 78px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border-radius: 20px; overflow: hidden; }
.faq-item summary { position: relative; padding: 20px 56px 20px 22px; cursor: pointer; font-weight: 800; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); color: var(--red); font-size: 24px; transition: transform .2s ease; }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { margin: 0; padding: 0 22px 22px; color: var(--muted); line-height: 1.75; }
.footer { display: flex; justify-content: space-between; gap: 24px; padding: 28px 0 42px; color: var(--muted); border-top: 1px solid var(--line); font-size: 13px; }
.footer a { color: var(--red); font-weight: 800; text-decoration: none; }

.lightbox { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 70px 20px 24px; background: rgba(28,12,14,.9); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.lightbox.is-open { display: flex; }
.lightbox img { max-width: min(96vw, 1800px); max-height: 88vh; width: auto; height: auto; border-radius: 18px; box-shadow: 0 28px 90px rgba(0,0,0,.45); }
.lightbox-close { position: fixed; top: 18px; right: 22px; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: #fff; background: rgba(255,255,255,.12); font-size: 28px; cursor: pointer; }

@media (max-width: 820px) {
  .hero-card { grid-template-columns: 1fr; gap: 30px; }
  .route { grid-template-columns: repeat(7, auto); align-items: center; }
  .route span { padding: 11px 10px; text-align: center; }
  .route i { width: 12px; height: 1px; margin: 0; }
  .visual-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 24px, 1160px); }
  .header-inner { min-height: 68px; }
  .brand small, .text-link { display: none; }
  .button-small { min-height: 38px; padding-inline: 13px; font-size: 13px; }
  .hero { padding-top: 24px; }
  .hero-card { padding: 28px 20px; border-radius: 28px; }
  h1 { font-size: clamp(42px, 15vw, 62px); }
  .hero-copy { margin-top: 18px; font-size: 16px; }
  .hero-actions { display: grid; }
  .route { gap: 5px; overflow-x: auto; padding-bottom: 4px; }
  .route span { font-size: 12px; }
  .step-nav { top: 68px; padding-bottom: 20px; }
  .step-card { padding: 20px 14px; border-radius: 26px; margin-bottom: 20px; }
  .step-heading { grid-template-columns: 54px 1fr; gap: 13px; margin-bottom: 18px; }
  .step-number { width: 54px; height: 54px; border-radius: 17px; font-size: 21px; }
  .step-heading h3 { margin-top: 0; font-size: 22px; }
  .step-heading p { font-size: 14px; }
  .visual { padding: 7px; border-radius: 18px; }
  .image-button { border-radius: 12px; }
  .callout { padding: 15px 16px; font-size: 14px; }
  .footer { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}