/* ===== denosno-detail.css · 德诺斯诺产品详细页（黑金主题） ===== */
:root {
  --dn-bg: #000000;
  --dn-surface: #0d0d0d;
  --dn-line: rgba(255, 255, 255, 0.07);
  --dn-text: #F5F5F7;
  --dn-muted: #8a8a90;
  --dn-gold: #D4AF37;
  --dn-gold-light: #F3E5AB;
  --dn-gold-dim: rgba(212, 175, 55, 0.32);
}

body.dd-page {
  background: var(--dn-bg);
  color: var(--dn-text);
  overflow-x: hidden;
  /* 长英文 DOI / PubMed 链接在小屏可断行，防止撑宽页面 */
  overflow-wrap: anywhere;
}

.dd-wrap {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 滚动渐显 */
.dd-reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.dd-reveal.is-in { opacity: 1; transform: translateY(0); }

/* 通用小圆点 */
.dd-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: 0 0 auto;
  display: inline-block;
}

/* ---------------- Hero ---------------- */
.dd-hero {
  position: relative;
  padding: 118px 20px 104px;
  overflow: hidden;
  border-bottom: 1px solid var(--dn-line);
}
.dd-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(212, 175, 55, 0.12) 1px, transparent 1px);
  background-size: 36px 36px;
  -webkit-mask-image: radial-gradient(circle at 72% 42%, #000 0%, transparent 70%);
  mask-image: radial-gradient(circle at 72% 42%, #000 0%, transparent 70%);
  pointer-events: none;
}
.dd-hero::after {
  content: '';
  position: absolute;
  right: 6%;
  top: 46%;
  width: 620px;
  height: 620px;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(212, 175, 55, 0.06) 0%, transparent 64%);
  pointer-events: none;
}

.dd-bc {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--dn-muted);
  margin-bottom: 48px;
}
.dd-bc a { color: var(--dn-muted); transition: 0.25s; }
.dd-bc a:hover { color: var(--dn-gold); }
.dd-bc span { opacity: 0.35; }
.dd-bc em { font-style: normal; color: var(--dn-text); }

.dd-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 72px;
  align-items: center;
}

.dd-code {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--dn-gold);
  border: 1px solid var(--dn-gold-dim);
  border-radius: 40px;
  padding: 8px 20px;
  margin-bottom: 28px;
  text-transform: uppercase;
}
.dd-h1 {
  font-size: clamp(30px, 4.4vw, 54px);
  font-weight: 600;
  line-height: 1.34;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.dd-sub {
  font-size: clamp(15px, 1.5vw, 19px);
  color: var(--dn-gold-light);
  letter-spacing: 2px;
  line-height: 1.8;
  margin-bottom: 24px;
}
.dd-lead {
  font-size: 16px;
  line-height: 2;
  color: var(--dn-muted);
  max-width: 660px;
  margin-bottom: 32px;
}
.dd-meta { display: flex; flex-wrap: wrap; gap: 12px; }
.dd-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--dn-muted);
  border: 1px solid var(--dn-line);
  border-radius: 40px;
  padding: 8px 18px;
  background: rgba(212, 175, 55, 0.03);
}
.dd-meta i { color: var(--dn-gold); font-size: 12px; }

/* 产品视觉卡 */
.dd-visual-card {
  border: 1px solid var(--dn-gold-dim);
  border-radius: 32px;
  background: linear-gradient(150deg, rgba(212, 175, 55, 0.08), rgba(212, 175, 55, 0.01));
  padding: 34px;
  text-align: center;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.7);
}
.dd-visual-card img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: 22px;
  background: #ffffff;
  padding: 10px;
  display: block;
}
/* 产品形象图：深底海报，不加白框、不裁切 */
.dd-visual-product img {
  max-height: 560px;
  height: auto;
  background: transparent;
  padding: 0;
  border-radius: 20px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.55);
}
.dd-visual-product .dd-visual-cap { margin-top: 18px; }
.dd-visual-product .dd-dot { background: #f5d0a9; }
.dd-visual-cap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--dn-muted);
}

.dd-orb {
  width: 208px;
  height: 208px;
  border-radius: 50%;
  margin: 4px auto 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 32% 30%, rgba(255, 255, 255, 0.55), var(--dd-c) 58%, rgba(0, 0, 0, 0.5) 100%);
  box-shadow: 0 0 58px rgba(212, 175, 55, 0.22), inset 0 0 30px rgba(255, 255, 255, 0.28);
  animation: dd-pulse 5s infinite alternate ease-in-out;
}
.dd-orb span {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #14100a;
}
@keyframes dd-pulse {
  0%   { transform: scale(0.965); }
  100% { transform: scale(1.045); }
}
.dd-orb-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--dn-text);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.dd-orb-sub {
  font-size: 12.5px;
  color: var(--dn-muted);
  letter-spacing: 2px;
}

/* ---------------- 通用 section ---------------- */
.dd-section {
  padding: 100px 20px;
  border-top: 1px solid var(--dn-line);
}
.dd-section.alt { background: var(--dn-surface); }
.dd-label {
  display: block;
  font-size: 12px;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--dn-gold);
  margin-bottom: 20px;
}
.dd-h2 {
  font-size: clamp(24px, 2.8vw, 42px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 1px;
  margin-bottom: 26px;
}
.dd-p {
  font-size: 16px;
  line-height: 2;
  color: var(--dn-muted);
  margin-bottom: 20px;
  max-width: 900px;
}
.dd-p strong { color: var(--dn-text); font-weight: 500; }
.dd-hl { color: var(--dn-text); font-weight: 500; }

/* 配方卡 */
.dd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: 20px;
  margin-top: 44px;
}
.dd-card {
  background: var(--dn-surface);
  border: 1px solid var(--dn-line);
  border-radius: 24px;
  padding: 30px 26px;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.dd-section.alt .dd-card { background: #000; }
.dd-card:hover {
  transform: translateY(-6px);
  border-color: var(--dn-gold-dim);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.6);
}
.dd-card-t {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--dn-text);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.dd-card-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--dn-gold);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 30px;
  padding: 3px 12px;
  margin-bottom: 14px;
}
.dd-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--dn-muted);
  margin: 0;
}

/* 作用路径 */
.dd-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 46px;
}
.dd-step {
  position: relative;
  padding: 30px 24px 26px;
  border: 1px solid var(--dn-line);
  border-radius: 22px;
  background: #000;
  transition: border-color 0.35s ease, transform 0.35s ease;
}
.dd-section.alt .dd-step { background: #000; }
.dd-step:hover { border-color: var(--dn-gold-dim); transform: translateY(-4px); }
.dd-step-n {
  display: block;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--dn-gold);
  margin-bottom: 12px;
}
.dd-step-t {
  font-size: 16px;
  font-weight: 600;
  color: var(--dn-text);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.dd-step p {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--dn-muted);
  margin: 0;
}
.dd-step:not(:nth-child(4n))::after {
  content: '';
  position: absolute;
  right: -18px;
  top: 50%;
  width: 18px;
  height: 1px;
  background: var(--dn-gold-dim);
}

/* 场景 chips */
.dd-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
  margin-bottom: 10px;
}
.dd-chip {
  font-size: 13.5px;
  color: var(--dn-muted);
  border: 1px solid var(--dn-line);
  border-radius: 40px;
  padding: 10px 22px;
  background: rgba(212, 175, 55, 0.03);
  transition: 0.3s;
}
.dd-chip:hover { color: var(--dn-text); border-color: var(--dn-gold-dim); }

/* 信息卡 */
.dd-info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 42px;
}
.dd-info > div {
  border: 1px solid var(--dn-line);
  border-radius: 20px;
  padding: 22px 24px;
  background: var(--dn-surface);
}
.dd-section.alt .dd-info > div { background: #000; }
.dd-info span {
  display: block;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--dn-muted);
  margin-bottom: 10px;
}
.dd-info strong {
  font-size: 15px;
  font-weight: 500;
  color: var(--dn-text);
  line-height: 1.7;
}
.dd-note {
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--dn-muted);
  opacity: 0.85;
  margin-top: 22px;
  max-width: 900px;
}

/* 组合方案 */
.dd-combo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 40px;
}
.dd-combo-card {
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 26px;
  padding: 34px 30px;
  background: linear-gradient(140deg, rgba(212, 175, 55, 0.09), rgba(212, 175, 55, 0.01));
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.dd-combo-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.6);
}
.dd-combo-t {
  font-size: 18px;
  font-weight: 600;
  color: var(--dn-text);
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}
.dd-combo-card p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--dn-muted);
  margin-bottom: 18px;
}
.dd-combo-card a {
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--dn-gold);
  transition: 0.25s;
}
.dd-combo-card a:hover { color: var(--dn-gold-light); }

/* 其他圆点 */
.dd-more-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin-top: 38px;
}
.dd-more-item {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--dn-line);
  border-radius: 20px;
  padding: 20px 22px;
  transition: 0.3s;
}
.dd-more-item:hover { border-color: var(--dn-gold-dim); transform: translateY(-4px); }
.dd-more-item .dd-dot { width: 12px; height: 12px; }
.dd-more-txt { display: flex; flex-direction: column; gap: 5px; }
.dd-more-txt strong {
  font-size: 15px;
  font-weight: 500;
  color: var(--dn-text);
  letter-spacing: 0.5px;
}
.dd-more-txt em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--dn-muted);
}

/* ---------------- CTA ---------------- */
.dd-cta {
  padding: 0 20px 110px;
  background: var(--dn-surface);
}
.dd-cta-box {
  max-width: 1600px;
  margin: 0 auto;
  border: 1px solid rgba(212, 175, 55, 0.25);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.10), rgba(212, 175, 55, 0.015));
  border-radius: 40px;
  padding: 66px 40px;
  text-align: center;
}
.dd-cta-box h2 {
  font-size: clamp(23px, 2.5vw, 36px);
  font-weight: 600;
  margin-bottom: 16px;
}
.dd-cta-box p {
  color: var(--dn-muted);
  font-size: 15.5px;
  line-height: 1.9;
  max-width: 720px;
  margin: 0 auto 34px;
}
.dd-btns { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.dd-btn {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 40px;
  background: var(--dn-gold);
  color: #14100a;
  font-weight: 600;
  font-size: 15px;
  transition: 0.25s;
}
.dd-btn:hover { background: var(--dn-gold-light); transform: translateY(-2px); }
.dd-btn.ghost {
  background: transparent;
  border: 1px solid rgba(212, 175, 55, 0.55);
  color: var(--dn-gold);
}
.dd-btn.ghost:hover { background: rgba(212, 175, 55, 0.1); color: var(--dn-gold-light); }

/* ---------------- 数据表格 ---------------- */
.dd-table-wrap {
  overflow-x: auto;
  margin-top: 40px;
  border: 1px solid var(--dn-line);
  border-radius: 22px;
  background: var(--dn-surface);
}
table.dd-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 660px;
}
table.dd-table th {
  background: rgba(212, 175, 55, 0.08);
  color: var(--dn-gold);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-align: left;
  padding: 18px 22px;
  border-bottom: 1px solid var(--dn-line);
  white-space: nowrap;
}
table.dd-table td {
  padding: 16px 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dn-muted);
  border-bottom: 1px solid var(--dn-line);
  vertical-align: top;
}
table.dd-table tbody tr:last-child td { border-bottom: none; }
table.dd-table tr.dd-sum td {
  color: var(--dn-gold-light);
  background: rgba(212, 175, 55, 0.06);
  font-weight: 500;
}
table.dd-table tr.dd-sum td:first-child { color: var(--dn-gold); font-weight: 600; }
table.dd-table td:first-child {
  color: var(--dn-text);
  font-weight: 500;
  white-space: nowrap;
}
table.dd-table tbody tr:hover td { background: rgba(212, 175, 55, 0.035); }

/* 多列宽表：列数多时给一个更大的最小宽度，避免挤压换行 */
table.dd-table.dd-table-wide { min-width: 960px; }
table.dd-table.dd-table-wide td:first-child { white-space: normal; }

/* 同一 section 内的第二段内容（钙源对比 → 配方结构对比） */
.dd-sub-block {
  margin-top: 84px;
  padding-top: 78px;
  border-top: 1px solid var(--dn-line);
}

/* ---------------- 钙源对比卡 ---------------- */
.dd-src-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 44px;
}
.dd-src-card {
  position: relative;
  border: 1px solid var(--dn-line);
  border-radius: 22px;
  padding: 28px 24px 24px;
  background: var(--dn-surface);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.dd-section.alt .dd-src-card { background: #000; }
.dd-src-card:hover {
  transform: translateY(-5px);
  border-color: var(--dn-gold-dim);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.6);
}
.dd-src-card.is-pick {
  border-color: rgba(212, 175, 55, 0.5);
  background: linear-gradient(150deg, rgba(212, 175, 55, 0.10), rgba(212, 175, 55, 0.012));
}
.dd-section.alt .dd-src-card.is-pick {
  background: linear-gradient(150deg, rgba(212, 175, 55, 0.12), rgba(212, 175, 55, 0.015));
}
.dd-src-tag {
  position: absolute;
  top: 0;
  right: 20px;
  transform: translateY(-50%);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: #14100a;
  background: var(--dn-gold);
  border-radius: 20px;
  padding: 3px 12px;
  white-space: nowrap;
}
.dd-src-h {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}
.dd-src-name {
  font-size: 16.5px;
  font-weight: 600;
  color: var(--dn-text);
  letter-spacing: 0.5px;
  line-height: 1.4;
}
.dd-src-pct {
  font-size: 18px;
  font-weight: 600;
  color: var(--dn-gold);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.dd-src-bar {
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}
.dd-src-bar i {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.4), var(--dn-gold));
}
.dd-src-unit {
  font-size: 11px;
  letter-spacing: 1.4px;
  color: var(--dn-muted);
  opacity: 0.65;
  margin: 10px 0 16px;
}
.dd-src-card p {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--dn-muted);
  margin: 0;
}

/* ---------------- 目数 / 粉体对比 ---------------- */
.dd-mesh-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 44px;
}
.dd-mesh-item {
  position: relative;
  border: 1px solid var(--dn-line);
  border-radius: 24px;
  padding: 24px 24px 26px;
  background: #000;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.dd-mesh-item:hover {
  transform: translateY(-5px);
  border-color: var(--dn-gold-dim);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.6);
}
.dd-mesh-item.is-pick {
  border-color: rgba(212, 175, 55, 0.5);
  background: linear-gradient(150deg, rgba(212, 175, 55, 0.12), rgba(212, 175, 55, 0.015));
}
/* 用点阵密度表现颗粒粗细：粗颗粒点大而疏，细粉点小而密 */
.dd-mesh-dots {
  height: 108px;
  border-radius: 16px;
  border: 1px solid var(--dn-line);
  background-color: #070707;
  margin-bottom: 20px;
}
.dd-mesh-dots.coarse {
  background-image: radial-gradient(circle, rgba(212, 175, 55, 0.42) 5px, transparent 5.6px);
  background-size: 26px 26px;
  background-position: 8px 8px;
}
.dd-mesh-dots.fine {
  background-image: radial-gradient(circle, rgba(212, 175, 55, 0.62) 1.6px, transparent 2.1px);
  background-size: 11px 11px;
  background-position: 5px 5px;
}
.dd-mesh-t {
  font-size: 16px;
  font-weight: 600;
  color: var(--dn-text);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.dd-mesh-item p {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--dn-muted);
  margin: 0;
}
.dd-mesh-chain {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 34px;
}
.dd-mesh-node {
  border-top: 1px solid var(--dn-line);
  padding-top: 18px;
}
.dd-mesh-node span {
  display: block;
  font-size: 11px;
  letter-spacing: 2.5px;
  color: var(--dn-gold);
  margin-bottom: 10px;
}
.dd-mesh-node strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--dn-text);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.dd-mesh-node em {
  font-style: normal;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--dn-muted);
}
.dd-mesh-know {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 22px;
  margin-top: 34px;
  padding: 22px 26px;
  border: 1px dashed rgba(212, 175, 55, 0.28);
  border-radius: 18px;
  background: rgba(212, 175, 55, 0.04);
}
.dd-mesh-know-t {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--dn-gold);
}
.dd-mesh-know p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--dn-muted);
}

/* ---------------- 逐株 / 逐成分解读 ---------------- */
.dd-strains {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 44px;
}
.dd-strain {
  border: 1px solid var(--dn-line);
  border-radius: 24px;
  padding: 30px 28px;
  background: var(--dn-surface);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.dd-section.alt .dd-strain { background: #000; }
.dd-strain:hover {
  transform: translateY(-5px);
  border-color: var(--dn-gold-dim);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.6);
}
.dd-strain-h {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}
.dd-strain-n {
  font-size: 20px;
  font-weight: 600;
  color: var(--dn-text);
  letter-spacing: 0.5px;
}
.dd-strain-dose {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--dn-gold);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 30px;
  padding: 3px 12px;
  white-space: nowrap;
}
.dd-strain-sp {
  font-size: 12.5px;
  letter-spacing: 1.2px;
  color: var(--dn-gold-light);
  opacity: 0.75;
  margin-bottom: 18px;
}
.dd-strain-row {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 12px;
}
.dd-strain-row:last-child { margin-bottom: 0; }
.dd-strain-row em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--dn-gold);
  padding-top: 3px;
}
.dd-strain-row span { color: var(--dn-muted); }

/* ---------------- 科学依据 ---------------- */
.dd-refs {
  margin-top: 34px;
  display: grid;
  gap: 14px;
  list-style: none;
  padding: 0;
}
.dd-refs li {
  position: relative;
  padding-left: 22px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--dn-muted);
}
.dd-refs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dn-gold-dim);
}

/* ---------------- 合规提示 ---------------- */
.dd-disclaim {
  margin-top: 34px;
  padding: 22px 26px;
  border: 1px dashed rgba(212, 175, 55, 0.28);
  border-radius: 18px;
  background: rgba(212, 175, 55, 0.04);
}
.dd-disclaim p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--dn-muted);
}
.dd-disclaim strong {
  display: inline-block;
  margin-right: 8px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--dn-gold);
}

/* 落款 */
.dd-sign {
  padding: 0 20px 92px;
  background: var(--dn-surface);
  text-align: center;
}
.dd-sign-logo {
  font-size: 22px;
  letter-spacing: 10px;
  color: var(--dn-gold);
  font-weight: 600;
  margin-bottom: 18px;
}
.dd-sign-slogan {
  font-size: 14px;
  color: var(--dn-muted);
  letter-spacing: 5px;
  line-height: 2.1;
}
.dd-sign-slogan small {
  display: block;
  font-size: 11px;
  opacity: 0.55;
  letter-spacing: 3px;
  margin-top: 8px;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1200px) {
  .dd-hero-grid { gap: 46px; }
  .dd-flow { grid-template-columns: repeat(2, 1fr); }
  .dd-step:nth-child(2n)::after { display: none; }
  .dd-info { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
  .dd-hero { padding: 96px 20px 84px; }
  .dd-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .dd-visual-card { max-width: 520px; }
  .dd-combo { grid-template-columns: 1fr; }
  .dd-strains { grid-template-columns: 1fr; }
  .dd-section { padding: 80px 20px; }
}
@media (max-width: 768px) {
  .dd-hero { padding: 76px 20px 66px; }
  .dd-bc { margin-bottom: 32px; }
  .dd-section { padding: 58px 20px; }
  .dd-flow { grid-template-columns: 1fr; }
  .dd-step::after { display: none !important; }
  .dd-info { grid-template-columns: 1fr; }
  .dd-grid { margin-top: 32px; }
  .dd-combo-card { padding: 26px 22px; }
  .dd-cta { padding-bottom: 70px; }
  .dd-cta-box { padding: 44px 22px; border-radius: 28px; }
  .dd-btn { width: 100%; padding: 12px 28px; }
  .dd-orb { width: 158px; height: 158px; }
  .dd-orb span { font-size: 14px; }
  .dd-visual-card { padding: 22px; }
  .dd-visual-product img { max-height: 430px; }
  .dd-sign { padding-bottom: 62px; }
  .dd-strain { padding: 24px 20px; }
  .dd-strain-row { grid-template-columns: 1fr; gap: 4px; }
  /* 配方表：小屏收窄到 540px，减少横滑距离；iOS 顺滑滚动 */
  .dd-table-wrap {
    border-radius: 16px;
    margin-top: 30px;
    -webkit-overflow-scrolling: touch;
  }
  table.dd-table { min-width: 540px; }
  table.dd-table.dd-table-wide { min-width: 720px; }
  .dd-sub-block { margin-top: 54px; padding-top: 50px; }
  .dd-src-grid { margin-top: 30px; }
  .dd-src-card { padding: 24px 20px 20px; }
  .dd-src-name { font-size: 15.5px; }
  /* 目数区块 */
  .dd-mesh-grid { grid-template-columns: 1fr; margin-top: 30px; }
  .dd-mesh-dots { height: 88px; }
  .dd-mesh-chain { grid-template-columns: 1fr 1fr; gap: 16px; }
  .dd-mesh-know { grid-template-columns: 1fr; gap: 10px; padding: 18px 18px; }
  table.dd-table th { padding: 14px 16px; font-size: 12px; }
  table.dd-table td { padding: 13px 16px; font-size: 13px; }
  table.dd-table td:first-child { white-space: normal; }
  .dd-disclaim { padding: 18px 18px; }
}