/* ==========================================================================
   送什么 · songshenme.cn
   暖色礼物温度风 · 米色主背景 · 珊瑚粉点缀 · 6 色 pastel 卡片
   ========================================================================== */

:root {
  --cream:      #FAF3E7;
  --cream-dark: #F1E6D0;
  --ink:        #3F2F1E;
  --muted:      #7A6A54;
  --gray:       #8A7C68;
  --panel:      #ffffff;
  --panel-2:    #FEFAF3;
  --line:       #E8D8B8;
  --coral:      #F27B7B;
  --coral-dark: #E45A5A;
  --gold:       #C9A96B;
  --deep-blue:  #35415F;
  --card-pink:   #FDD9D0;
  --card-yellow: #FBF0D1;
  --card-purple: #E4DEF6;
  --card-rose:   #F5D8DD;
  --card-mint:   #D6EDDA;
  --card-peach:  #FEE8D6;
  --shadow:     0 22px 60px rgb(139 111 74 / 12%);
  --radius:     18px;
  --max:        1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% -10%, rgb(253 217 208 / 45%), transparent 32rem),
    radial-gradient(circle at 5% 20%, rgb(228 222 246 / 30%), transparent 28rem),
    linear-gradient(180deg, var(--cream), var(--cream-dark) 55rem);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--coral-dark); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--coral); outline-offset: 3px;
}
img { display: block; max-width: 100%; }

.skip-link {
  position: absolute; left: -9999px; top: 1rem; z-index: 100;
  padding: 0.65rem 1rem; border-radius: 8px;
  background: var(--coral); color: #ffffff; font-weight: 800;
}
.skip-link:focus { left: 1rem; }

/* ========== HEADER ========== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid rgba(201, 169, 107, 0.2);
  background: rgba(250, 243, 231, 0.94);
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 14px clamp(16px, 4vw, 32px);
  display: flex; align-items: center; gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.15rem;
  white-space: nowrap; flex-shrink: 0;
  color: var(--ink);
}
.nav { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
.nav a {
  color: var(--muted); font-size: 0.94rem; font-weight: 500;
  padding: 6px 0; position: relative; white-space: nowrap;
}
.nav a:hover { color: var(--coral-dark); }
.header-status {
  font-size: 0.72rem; color: var(--coral-dark); font-weight: 700;
  padding: 4px 10px; border: 1px solid rgba(242, 123, 123, 0.4);
  border-radius: 999px; letter-spacing: 0.08em;
  white-space: nowrap; flex-shrink: 0;
  background: rgba(253, 217, 208, 0.3);
}
@media (max-width: 720px) {
  .header-inner { padding: 10px 12px; gap: 10px; }
  .nav { gap: 10px; width: 100%; margin-left: 0; overflow-x: auto; }
  .nav a { font-size: 0.85rem; }
  .header-status { display: none; }
  .brand { font-size: 1rem; }
}

/* ========== HERO BANNER (真图 + 覆盖文字) ========== */
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.hero-banner {
  max-width: var(--max); margin: 20px auto 30px;
  padding: 0 clamp(0px, 2vw, 24px);
  position: relative;
}
.hero-bg { display: block; }
.hero-bg img {
  width: 100%; height: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(139, 111, 74, 0.18);
  display: block;
}
.hero-content {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 0 clamp(20px, 8vw, 60px);
  z-index: 2;
}
.hero-content .eyebrow {
  color: var(--coral-dark); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.6);
}
.hero-content h1 {
  font-size: clamp(40px, 7vw, 78px); line-height: 1.05;
  margin: 8px 0 10px; color: var(--ink);
  letter-spacing: 0.05em; font-weight: 900;
  text-shadow: 0 2px 8px rgba(255, 245, 235, 0.9);
}
.hero-content h1 .heart {
  color: var(--coral); font-size: 0.35em;
  vertical-align: super; margin-left: 0.15em;
}
.hero-content .hero-lead {
  font-size: clamp(0.95rem, 1.4vw, 1.15rem); color: var(--ink); margin: 0 0 4px;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(255, 245, 235, 0.85);
}
.hero-content .hero-lead-en {
  font-size: clamp(0.7rem, 0.9vw, 0.82rem); color: var(--gold);
  letter-spacing: 0.25em; text-transform: uppercase; margin-bottom: 16px;
  text-shadow: 0 1px 2px rgba(255, 245, 235, 0.7);
}
.hero-content .hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap; justify-content: center;
  margin-top: 6px;
}
@media(max-width: 640px) {
  .hero-content h1 { font-size: 2rem; }
  .hero-content .hero-lead-en { display: none; }
  .hero-content .hero-actions .button { padding: 8px 16px; font-size: 0.85rem; }
}

/* legacy hero (保留 · 其他页可能用) */
.hero {
  max-width: var(--max); margin: 24px auto 30px;
  padding: 40px clamp(16px, 4vw, 32px) 30px;
  text-align: center;
  position: relative;
}
.hero > div:first-child { max-width: 780px; margin: 0 auto; }
.eyebrow {
  color: var(--coral-dark); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(48px, 8vw, 92px); line-height: 1.05;
  margin: 12px 0 14px;
  color: var(--ink);
  letter-spacing: 0.05em;
  font-weight: 900;
}
.hero h1::after {
  content: "❤";
  color: var(--coral); font-size: 0.35em;
  vertical-align: super; margin-left: 0.15em;
}
.hero-lead {
  font-size: 1.15rem; color: var(--muted); margin-bottom: 4px;
  font-weight: 500;
}
.hero-lead-en {
  font-size: 0.82rem; color: var(--gold);
  letter-spacing: 0.25em; text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 20px; }
.button {
  padding: 12px 26px; border-radius: 999px;
  background: var(--coral);
  color: #ffffff; font-weight: 700; font-size: 0.95rem;
  border: none; cursor: pointer; transition: all .2s;
  box-shadow: 0 6px 16px rgba(242, 123, 123, 0.35);
}
.button:hover {
  transform: translateY(-2px); color: #ffffff;
  background: var(--coral-dark);
  box-shadow: 0 8px 20px rgba(228, 90, 90, 0.45);
}
.button.secondary {
  background: transparent; color: var(--coral-dark);
  border: 1.5px solid var(--coral);
  box-shadow: none;
}
.button.secondary:hover { background: rgba(253, 217, 208, 0.4); color: var(--coral-dark); }
.hero-visual { display: none; }
.hero-deco {
  position: absolute; font-size: 6rem; opacity: 0.55;
  pointer-events: none; user-select: none;
  filter: drop-shadow(0 6px 16px rgba(139, 111, 74, 0.25));
}
.hero-deco-left { left: 4%; top: 20%; transform: rotate(-12deg); }
.hero-deco-right { right: 4%; top: 12%; transform: rotate(10deg); }
@media (max-width: 900px) {
  .hero-deco { font-size: 3.5rem; opacity: 0.35; }
  .hero-deco-left { left: 2%; top: 2%; }
  .hero-deco-right { right: 2%; top: 2%; }
}
@media (max-width: 600px) {
  .hero-deco { display: none; }
}

/* ========== INTENT CORE (6 卡 · pastel) ========== */
.intent-core { max-width: var(--max); margin: 20px auto 40px; padding: 0 clamp(16px, 4vw, 32px); }
.intent-core__head { max-width: 780px; margin: 0 auto 24px; text-align: center; }
.intent-core__eyebrow {
  color: var(--coral-dark); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase; margin: 0 0 8px;
}
.intent-core__head h2 { font-size: 1.8rem; margin: 0 0 10px; color: var(--ink); }
.intent-core__head p { color: var(--muted); margin: 0; }
.intent-core__grid {
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px;
}
@media(max-width: 960px) { .intent-core__grid { grid-template-columns: repeat(3, 1fr); } }
@media(max-width: 560px) { .intent-core__grid { grid-template-columns: 1fr 1fr; } }
.intent-core__card {
  padding: 20px 12px; border-radius: 16px;
  background: var(--card-pink);
  transition: transform .2s, box-shadow .2s;
  text-align: center;
  height: 180px;
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 4px;
  position: relative; overflow: hidden;
}
.card-icon {
  font-size: 2.4rem; line-height: 1;
  margin-bottom: 8px;
  filter: drop-shadow(0 3px 6px rgba(139, 111, 74, 0.15));
}
.intent-core__grid > .intent-core__card:nth-child(6n+1) { background: var(--card-pink); }
.intent-core__grid > .intent-core__card:nth-child(6n+2) { background: var(--card-yellow); }
.intent-core__grid > .intent-core__card:nth-child(6n+3) { background: var(--card-purple); }
.intent-core__grid > .intent-core__card:nth-child(6n+4) { background: var(--card-rose); }
.intent-core__grid > .intent-core__card:nth-child(6n+5) { background: var(--card-mint); }
.intent-core__grid > .intent-core__card:nth-child(6n+6) { background: var(--card-peach); }
.intent-core__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(139, 111, 74, 0.15);
}
.intent-core__card h3 {
  margin: 0 0 6px; font-size: 1.15rem; color: var(--ink);
  font-weight: 800;
}
.intent-core__card p {
  margin: 0; color: var(--muted); font-size: 0.82rem; line-height: 1.4;
  min-height: 2.8em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== TRUST STRIP (4 项 · 定位对齐) ========== */
.trust-strip {
  max-width: var(--max); margin: 24px auto; padding: 24px clamp(16px, 4vw, 32px);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
@media(max-width: 820px) { .trust-strip { grid-template-columns: 1fr 1fr; } }
@media(max-width: 480px) { .trust-strip { grid-template-columns: 1fr; } }
.trust-item {
  display: flex; flex-direction: column; gap: 4px;
  text-align: center; padding: 0 8px;
  border-left: 1px solid rgba(201, 169, 107, 0.2);
}
.trust-item:first-child { border-left: none; }
@media(max-width: 820px) { .trust-item { border-left: none; } }
.trust-item strong { color: var(--ink); font-size: 0.95rem; font-weight: 700; }
.trust-item span { color: var(--muted); font-size: 0.82rem; }

/* ========== SECTION 通用 ========== */
.section { padding: 40px 0; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }
.section-head { max-width: 780px; margin: 0 auto 24px; text-align: center; }
.section-head .kicker {
  color: var(--coral-dark); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; display: block; margin-bottom: 6px;
}
.section-head h2 { font-size: 1.7rem; margin: 0 0 10px; color: var(--ink); }
.section-head > div + p { color: var(--muted); margin: 0; }
.kicker {
  color: var(--coral-dark); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
}

/* ========== GRID / CARD 通用 ========== */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.card {
  padding: 20px; border: 1px solid var(--line); border-radius: 14px;
  background: rgba(255, 255, 255, 0.7); transition: all .2s;
  display: flex; flex-direction: column; gap: 8px;
}
.card:hover {
  border-color: var(--coral);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(242, 123, 123, 0.15);
}
.card h3 { margin: 0; color: var(--ink); font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.card-index {
  color: var(--gold); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.card-footer {
  margin-top: auto; padding-top: 8px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem; color: var(--gray);
}

/* ========== DEEP DIVE / STEPS ========== */
.explainer {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 40px; align-items: center;
}
@media(max-width: 820px) { .explainer { grid-template-columns: 1fr; } }
.explainer h2 { font-size: 1.7rem; color: var(--ink); }
.explainer p { color: var(--muted); }
.notice {
  margin-top: 14px; padding: 14px 18px; border-radius: 10px;
  background: var(--card-peach); border-left: 4px solid var(--coral);
  color: var(--ink);
}
.steps { display: flex; flex-direction: column; gap: 14px; }
.step {
  padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  display: flex; gap: 14px; align-items: flex-start;
}
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 8px; flex-shrink: 0;
  background: var(--coral); color: #fff; font-weight: 800; font-size: 0.85rem;
}
.step h3 { margin: 0 0 4px; color: var(--ink); font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* ========== TERMINAL ========== */
.terminal {
  background: var(--deep-blue); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  font-family: "SF Mono", Menlo, Consolas, monospace;
}
.terminal-bar {
  background: rgba(0, 0, 0, 0.2); color: #ffb99a;
  padding: 10px 18px; font-size: 0.78rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.terminal pre {
  margin: 0; padding: 20px; color: #f0e4d0;
  font-size: 0.88rem; line-height: 1.7;
  overflow-x: auto;
}
.token-key { color: #ffb99a; }
.token-value { color: #d6edda; }

/* ========== FAQ ========== */
.faq-list details {
  padding: 14px 18px; margin-bottom: 8px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.7); border: 1px solid var(--line);
  cursor: pointer;
}
.faq-list details[open] { background: rgba(255, 255, 255, 0.9); }
.faq-list summary { font-weight: 700; color: var(--ink); }
.faq-list p { margin: 10px 0 0; color: var(--muted); }

/* ========== PAGE HERO (子页面) ========== */
.page-hero {
  padding: 40px 0 24px;
  background: linear-gradient(180deg, rgba(253, 217, 208, 0.25), transparent);
}
.page-hero .container { max-width: var(--max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }
.breadcrumb {
  font-size: 0.85rem; color: var(--gray); margin-bottom: 10px;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.breadcrumb a { color: var(--muted); border-bottom: 1px dotted var(--gray); }
.breadcrumb a:hover { color: var(--coral-dark); }
.breadcrumb span { color: var(--gold); }
.page-hero h1 {
  font-size: clamp(24px, 4vw, 34px); color: var(--ink); margin: 8px 0 14px;
}
.page-hero > .container > p { color: var(--muted); font-size: 1rem; max-width: 780px; }
.listing-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.7); border: 1px solid var(--line);
  color: var(--muted); font-size: 0.82rem; font-weight: 500;
}
.article-meta { margin-top: 10px; }

/* ========== ARTICLE SHELL ========== */
.article-shell { max-width: 820px; margin: 20px auto 60px; padding: 0 clamp(16px, 4vw, 32px); }
.article-body h2 { margin: 32px 0 14px; color: var(--ink); font-size: 1.4rem; }
.article-body h3 { margin: 20px 0 8px; color: var(--ink); font-size: 1.1rem; }
.article-body p { color: var(--ink); }
.article-body ul, .article-body ol { color: var(--ink); padding-left: 24px; }
.article-body li { margin-bottom: 6px; }
.article-body a { color: var(--coral-dark); border-bottom: 1px dotted var(--coral); }

/* ========== DATA TABLE ========== */
.data-table { width: 100%; border-collapse: collapse; margin: 12px 0; overflow-x: auto; display: block; }
.data-table thead { background: var(--card-peach); }
.data-table th { padding: 10px 14px; text-align: left; color: var(--ink); font-weight: 700; font-size: 0.9rem; }
.data-table td { padding: 10px 14px; border-top: 1px solid var(--line); font-size: 0.92rem; color: var(--ink); }
.data-table strong { color: var(--coral-dark); }

/* ========== FOOTER ========== */
.site-footer {
  margin-top: 60px;
  background: rgba(255, 255, 255, 0.55);
  border-top: 1px solid var(--line);
}
.site-footer .container { padding: 40px clamp(16px, 4vw, 32px); }
.footer-cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
@media(max-width: 900px) { .footer-cols { grid-template-columns: 1fr 1fr; } }
@media(max-width: 560px) { .footer-cols { grid-template-columns: 1fr; } }
.footer-cols h3 { color: var(--ink); font-size: 1rem; margin: 0 0 12px; }
.footer-links { display: flex; flex-direction: column; gap: 6px; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--coral-dark); }
.footer-legal {
  border-top: 1px solid var(--line); margin-top: 24px; padding-top: 16px;
  display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--gray);
  flex-wrap: wrap; gap: 8px;
}

/* ========== QUOTES ========== */
.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.quote {
  margin: 0; padding: 18px 20px; border-radius: 14px;
  background: var(--card-yellow); border-left: 4px solid var(--coral);
}
.quote p { margin: 0 0 10px; color: var(--ink); font-style: italic; }
.quote figcaption { color: var(--muted); font-size: 0.85rem; text-align: right; }