.page-privacy {
  --privacy-max: 1240px;
  --privacy-panel: rgba(17, 24, 38, 0.78);
  --privacy-panel-deep: rgba(11, 15, 26, 0.92);
  --privacy-border: rgba(192, 200, 216, 0.12);
  --privacy-blue: #00e5ff;
  --privacy-blue-soft: rgba(0, 229, 255, 0.08);
  --privacy-blue-line: rgba(0, 229, 255, 0.2);
  position: relative;
  background: var(--color-bg);
  overflow: hidden;
}

/* ========== Hero ========== */
.page-privacy .privacy-hero { position: relative; padding: 72px 0 56px; }
.page-privacy .privacy-hero-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.page-privacy .privacy-hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.26; }
.page-privacy .privacy-hero::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(180deg, rgba(11, 15, 26, 0.5) 0%, var(--color-bg) 96%), linear-gradient(115deg, rgba(0, 229, 255, 0.08) 0%, transparent 45%, rgba(255, 107, 0, 0.07) 100%); }
.page-privacy .privacy-hero-inner { position: relative; z-index: 2; }
.page-privacy .privacy-hero .breadcrumb { margin-bottom: 40px; }
.page-privacy .privacy-hero .kicker { margin-bottom: 18px; }
.page-privacy .privacy-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.6rem); font-weight: 900; line-height: 1.08; letter-spacing: -0.02em; color: var(--color-white); margin: 0; }
.page-privacy .h1-sub { display: block; margin-top: 12px; font-size: 0.44em; font-weight: 600; letter-spacing: 0.01em; color: var(--color-silver); line-height: 1.3; }
.page-privacy .privacy-hero-desc { max-width: 780px; margin: 26px 0 0; color: var(--color-silver); font-size: 1.02rem; line-height: 1.9; }
.page-privacy .privacy-hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.page-privacy .privacy-meta-item { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: var(--radius-pill); border: 1px solid var(--privacy-blue-line); background: var(--privacy-blue-soft); color: var(--color-primary-soft); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; }

/* ========== Data flow ========== */
.page-privacy .privacy-flow { padding: 20px 0 44px; position: relative; }
.page-privacy .privacy-flow-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em; color: var(--color-silver-dim); text-transform: uppercase; margin: 0 0 22px; display: flex; align-items: center; gap: 12px; }
.page-privacy .privacy-flow-label::before { content: ""; width: 36px; height: 2px; background: var(--gradient-brand); flex: none; }
.page-privacy .privacy-flow-track { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
.page-privacy .privacy-flow-node { position: relative; background: var(--privacy-panel); border: 1px solid var(--privacy-border); border-radius: var(--radius-lg); padding: 26px 22px; overflow: hidden; transition: border-color 0.35s ease, transform 0.35s ease; }
.page-privacy .privacy-flow-node:hover { border-color: var(--privacy-blue-line); transform: translateY(-2px); }
.page-privacy .privacy-flow-node::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--gradient-brand); opacity: 0.7; }
.page-privacy .privacy-flow-step { position: absolute; top: 14px; right: 18px; font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--color-primary); opacity: 0.5; letter-spacing: 0.08em; }
.page-privacy .privacy-flow-icon { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 50%; background: var(--privacy-blue-soft); border: 1px solid var(--privacy-blue-line); color: var(--color-primary); margin-bottom: 16px; }
.page-privacy .privacy-flow-title { font-size: 1.05rem; font-weight: 700; color: var(--color-white); margin: 0 0 6px; }
.page-privacy .privacy-flow-desc { font-size: 0.9rem; color: var(--color-silver-dim); line-height: 1.6; margin: 0; }
.page-privacy .privacy-flow-connector { position: relative; display: flex; justify-content: center; align-items: center; width: 100%; height: 32px; }
.page-privacy .privacy-flow-connector::before { content: ""; width: 1px; height: 100%; background: linear-gradient(180deg, var(--color-primary), rgba(0, 229, 255, 0.15)); }
.page-privacy .privacy-flow-connector::after { content: ""; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%); border: 5px solid transparent; border-top-color: var(--color-primary); }

/* ========== TOC ========== */
.page-privacy .privacy-toc { padding: 16px 0 48px; }
.page-privacy .privacy-toc-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em; color: var(--color-silver-dim); margin: 0 0 20px; display: flex; align-items: center; gap: 12px; }
.page-privacy .privacy-toc-label::before { content: ""; width: 36px; height: 2px; background: var(--gradient-brand); flex: none; }
.page-privacy .privacy-anchor-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.page-privacy .privacy-anchor-link { display: flex; align-items: center; gap: 10px; padding: 15px 16px; border-radius: var(--radius-md); background: var(--color-bg-panel); border: 1px solid var(--privacy-border); color: var(--color-white); text-decoration: none; font-weight: 600; font-size: 15px; transition: border-color 0.3s ease, background 0.3s ease, transform 0.25s ease; overflow: hidden; position: relative; }
.page-privacy .privacy-anchor-link::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--gradient-brand); opacity: 0; transition: opacity 0.3s ease; }
.page-privacy .privacy-anchor-link:hover, .page-privacy .privacy-anchor-link:focus-visible { border-color: var(--privacy-blue-line); background: rgba(17, 24, 38, 0.95); transform: translateY(-2px); }
.page-privacy .privacy-anchor-link:hover::before, .page-privacy .privacy-anchor-link:focus-visible::before { opacity: 1; }
.page-privacy .privacy-anchor-num { font-family: var(--font-mono); font-size: 12px; color: var(--color-primary); font-weight: 700; flex: none; }
.page-privacy .privacy-anchor-text { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.page-privacy .privacy-anchor-arrow { flex: none; color: var(--color-accent); opacity: 0; transform: translateX(-6px); transition: opacity 0.3s ease, transform 0.3s ease; font-weight: 700; }
.page-privacy .privacy-anchor-link:hover .privacy-anchor-arrow, .page-privacy .privacy-anchor-link:focus-visible .privacy-anchor-arrow { opacity: 1; transform: translateX(0); }

/* ========== Chapter panels ========== */
.page-privacy .privacy-panels { padding: 8px 12px 0; max-width: calc(var(--privacy-max) + 40px); margin: 0 auto; }
.page-privacy .privacy-chapter { position: relative; background: linear-gradient(165deg, var(--privacy-panel) 0%, var(--privacy-panel-deep) 100%); border: 1px solid var(--privacy-border); border-radius: var(--radius-lg); padding: 56px 24px 48px; margin: 0 0 32px; overflow: hidden; scroll-margin-top: 96px; transition: border-color 0.35s ease; }
.page-privacy .privacy-chapter:hover { border-color: rgba(0, 229, 255, 0.22); }
.page-privacy .privacy-chapter::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--color-primary) 0%, rgba(0, 229, 255, 0.18) 45%, transparent 80%); opacity: 0.7; }
.page-privacy .privacy-chapter::after { content: ""; position: absolute; top: -50px; right: -50px; width: 160px; height: 160px; background: radial-gradient(circle at center, rgba(0, 229, 255, 0.07), transparent 70%); pointer-events: none; }
.page-privacy .privacy-chapter-grid { display: grid; grid-template-columns: 1fr; gap: 32px; position: relative; z-index: 1; }
.page-privacy .privacy-chapter-meta { position: relative; padding-left: 0; border-left: none; }
.page-privacy .privacy-chapter-meta::before { content: ""; display: block; width: 52px; height: 2px; background: var(--gradient-brand); margin-bottom: 18px; }
.page-privacy .privacy-chapter-num { display: block; font-family: var(--font-mono); font-size: 64px; font-weight: 800; line-height: 1; letter-spacing: -0.05em; color: transparent; -webkit-text-stroke: 1px var(--color-primary); opacity: 0.4; margin-bottom: 8px; }
.page-privacy .privacy-chapter-meta h2 { font-size: clamp(1.6rem, 2.4vw, 2.2rem); font-weight: 800; line-height: 1.2; color: var(--color-white); margin: 8px 0 0; letter-spacing: -0.01em; }
.page-privacy .privacy-chapter-tip { display: inline-flex; align-items: center; padding: 5px 14px; margin-top: 18px; border-radius: var(--radius-pill); border: 1px solid rgba(255, 107, 0, 0.28); background: rgba(255, 107, 0, 0.07); color: var(--color-accent-soft); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; }
.page-privacy .privacy-chapter-content { min-width: 0; }
.page-privacy .privacy-lead { font-size: 1.04rem; line-height: 1.85; color: var(--color-silver); margin: 0 0 26px; padding: 0 0 22px; border-bottom: 1px solid var(--privacy-border); }

/* ========== Chapter 01 items ========== */
.page-privacy .privacy-split { display: grid; grid-template-columns: 1fr; gap: 18px; margin-bottom: 18px; }
.page-privacy .privacy-item { position: relative; background: rgba(11, 15, 26, 0.55); border: 1px solid var(--privacy-border); border-radius: var(--radius-md); padding: 26px 24px; overflow: hidden; transition: border-color 0.3s ease, transform 0.3s ease, background 0.3s ease; }
.page-privacy .privacy-item:hover { border-color: var(--privacy-blue-line); background: rgba(11, 15, 26, 0.7); transform: translateY(-2px); }
.page-privacy .privacy-item::after { content: ""; position: absolute; left: 0; bottom: 0; top: 0; width: 2px; background: linear-gradient(180deg, var(--color-primary) 0%, rgba(255, 107, 0, 0.7) 100%); opacity: 0.5; }
.page-privacy .privacy-item-badge { display: inline-block; font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-primary); background: var(--privacy-blue-soft); border: 1px solid var(--privacy-blue-line); padding: 4px 11px; border-radius: var(--radius-pill); margin-bottom: 14px; }
.page-privacy .privacy-item h3 { font-size: 1.08rem; font-weight: 700; color: var(--color-white); margin: 0 0 8px; }
.page-privacy .privacy-item p { font-size: 0.93rem; line-height: 1.75; color: var(--color-silver); margin: 0; }
.page-privacy .privacy-item--wide { margin-bottom: 18px; }
.page-privacy .privacy-note { margin: 0; padding: 14px 18px; border-left: 2px solid var(--color-accent); background: rgba(255, 107, 0, 0.06); border-radius: 0 var(--radius-md) var(--radius-md) 0; color: var(--color-silver); font-size: 0.88rem; line-height: 1.7; }

/* ========== Chapter 02 use rows ========== */
.page-privacy .privacy-use-list { display: flex; flex-direction: column; }
.page-privacy .privacy-use-row { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--privacy-border); transition: background 0.25s ease; }
.page-privacy .privacy-use-row:first-child { padding-top: 4px; }
.page-privacy .privacy-use-row:last-child { border-bottom: none; }
.page-privacy .privacy-use-index { font-family: var(--font-mono); font-size: 14px; font-weight: 700; color: var(--color-primary); background: var(--privacy-blue-soft); border: 1px solid var(--privacy-blue-line); width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.page-privacy .privacy-use-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--color-white); margin: 2px 0 6px; }
.page-privacy .privacy-use-body p { font-size: 0.93rem; line-height: 1.75; color: var(--color-silver); margin: 0; max-width: 720px; }

/* ========== Chapter 03 share ========== */
.page-privacy .privacy-share-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 18px; }
.page-privacy .privacy-share-card { background: rgba(11, 15, 26, 0.55); border: 1px solid var(--privacy-border); border-radius: var(--radius-md); padding: 24px 22px; position: relative; transition: border-color 0.3s ease, transform 0.3s ease; }
.page-privacy .privacy-share-card:hover { border-color: rgba(255, 107, 0, 0.3); transform: translateY(-2px); }
.page-privacy .privacy-share-index { position: absolute; top: 18px; right: 20px; font-family: var(--font-mono); font-size: 16px; font-weight: 800; color: transparent; -webkit-text-stroke: 1px var(--color-accent); opacity: 0.7; }
.page-privacy .privacy-share-card h3 { font-size: 1.02rem; font-weight: 700; color: var(--color-white); margin: 0 0 8px; padding-right: 40px; }
.page-privacy .privacy-share-card p { font-size: 0.91rem; line-height: 1.75; color: var(--color-silver); margin: 0; }

/* ========== Chapter 04 safety ========== */
.page-privacy .privacy-safety-grid { display: grid; grid-template-columns: 1fr; gap: 18px; margin-bottom: 18px; }
.page-privacy .privacy-safety-box { background: rgba(11, 15, 26, 0.55); border: 1px solid var(--privacy-border); border-radius: var(--radius-md); padding: 26px 24px; }
.page-privacy .privacy-safety-box h3, .page-privacy .privacy-safety-panel-title { font-size: 1.04rem; font-weight: 700; color: var(--color-white); margin: 0 0 12px; }
.page-privacy .privacy-safety-box p { font-size: 0.92rem; line-height: 1.8; color: var(--color-silver); margin: 0 0 10px; }
.page-privacy .privacy-safety-box p:last-child { margin-bottom: 0; }
.page-privacy .privacy-safety-panel { background: linear-gradient(160deg, rgba(0, 229, 255, 0.05), rgba(11, 15, 26, 0.5)); border: 1px solid var(--privacy-blue-line); border-radius: var(--radius-md); padding: 26px 24px; }
.page-privacy .privacy-safety-panel-title { color: var(--color-primary-soft); }
.page-privacy .privacy-safety-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.page-privacy .privacy-safety-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--color-silver); font-size: 0.92rem; line-height: 1.7; }
.page-privacy .privacy-safety-icon { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; flex: none; border-radius: 50%; background: var(--privacy-blue-soft); border: 1px solid var(--privacy-blue-line); color: var(--color-primary); margin-top: 5px; }

/* ========== Chapter 05 rights ========== */
.page-privacy .privacy-rights-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.page-privacy .privacy-right-card { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 14px; background: rgba(11, 15, 26, 0.55); border: 1px solid var(--privacy-border); border-radius: var(--radius-md); padding: 20px 22px; transition: border-color 0.3s ease, transform 0.3s ease; }
.page-privacy .privacy-right-card:hover { border-color: var(--privacy-blue-line); transform: translateX(4px); }
.page-privacy .privacy-right-id { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--color-primary); background: var(--privacy-blue-soft); border: 1px solid var(--privacy-blue-line); width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: none; }
.page-privacy .privacy-right-card h3 { width: calc(100% - 46px); font-size: 0.98rem; font-weight: 700; color: var(--color-white); margin: 6px 0 0; }
.page-privacy .privacy-right-card p { width: 100%; font-size: 0.9rem; line-height: 1.7; color: var(--color-silver); margin: 0; }

/* ========== Chapter 06 update ========== */
.page-privacy .privacy-update-steps { display: flex; flex-direction: column; gap: 16px; }
.page-privacy .privacy-update-step { display: grid; grid-template-columns: 48px 1fr; gap: 16px; background: rgba(11, 15, 26, 0.55); border: 1px solid var(--privacy-border); border-radius: var(--radius-md); padding: 20px 22px; transition: border-color 0.3s ease, transform 0.3s ease; }
.page-privacy .privacy-update-step:hover { border-color: rgba(255, 107, 0, 0.3); transform: translateY(-2px); }
.page-privacy .privacy-update-index { font-family: var(--font-mono); font-size: 16px; font-weight: 800; color: var(--color-accent-soft); background: rgba(255, 107, 0, 0.08); border: 1px solid rgba(255, 107, 0, 0.24); width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.page-privacy .privacy-update-body h3 { font-size: 1rem; font-weight: 700; color: var(--color-white); margin: 2px 0 6px; }
.page-privacy .privacy-update-body p { font-size: 0.91rem; line-height: 1.75; color: var(--color-silver); margin: 0; }

/* ========== Contact area ========== */
.page-privacy .privacy-contact { padding: 12px 12px 60px; max-width: calc(var(--privacy-max) + 40px); margin: 0 auto; }
.page-privacy .privacy-contact-panel { display: grid; grid-template-columns: 1fr; gap: 0; background: linear-gradient(150deg, rgba(0, 229, 255, 0.07) 0%, rgba(17, 24, 38, 0.92) 55%, rgba(255, 107, 0, 0.05) 100%); border: 1px solid var(--privacy-blue-line); border-radius: var(--radius-lg); padding: 48px 28px 44px; overflow: hidden; position: relative; }
.page-privacy .privacy-contact-panel::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--gradient-bar); opacity: 0.8; }
.page-privacy .privacy-contact-intro .kicker { margin-bottom: 14px; }
.page-privacy .privacy-contact-intro h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); font-weight: 800; color: var(--color-white); line-height: 1.2; margin: 0 0 14px; }
.page-privacy .privacy-contact-intro p { font-size: 0.96rem; line-height: 1.8; color: var(--color-silver); margin: 0; }
.page-privacy .privacy-contact-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.page-privacy .privacy-contact-channels { display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 36px; border-top: 1px solid var(--privacy-border); }
.page-privacy .privacy-channel { display: flex; flex-direction: column; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--privacy-border); }
.page-privacy .privacy-channel-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-silver-dim); }
.page-privacy .privacy-channel-value { font-size: 0.98rem; font-weight: 600; color: var(--color-white); line-height: 1.6; word-break: break-all; }

/* ========== Media: 640px ========== */
@media (min-width: 640px) {
  .page-privacy .privacy-hero { padding: 100px 0 72px; }
  .page-privacy .privacy-flow-track { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
  .page-privacy .privacy-flow-connector { width: 40px; height: 1px; margin: 0 auto; }
  .page-privacy .privacy-flow-connector::before { width: 100%; height: 1px; background: linear-gradient(90deg, var(--color-primary), rgba(0, 229, 255, 0.15)); }
  .page-privacy .privacy-flow-connector::after { bottom: -3px; left: auto; right: 0; transform: none; border-top-color: transparent; border-left-color: var(--color-primary); }
  .page-privacy .privacy-split { grid-template-columns: 1fr 1fr; }
  .page-privacy .privacy-share-grid { grid-template-columns: repeat(3, 1fr); }
  .page-privacy .privacy-safety-grid { grid-template-columns: 1fr 1fr; align-items: stretch; }
  .page-privacy .privacy-rights-grid { grid-template-columns: repeat(2, 1fr); }
  .page-privacy .privacy-contact-channels { grid-template-columns: 1fr 1fr; column-gap: 32px; }
}

/* ========== Media: 900px ========== */
@media (min-width: 900px) {
  .page-privacy .privacy-hero { padding: 120px 0 80px; }
  .page-privacy .privacy-hero-desc { font-size: 1.08rem; }
  .page-privacy .privacy-flow-track { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; }
  .page-privacy .privacy-flow-connector { width: 44px; }
  .page-privacy .privacy-anchor-nav { grid-template-columns: repeat(6, 1fr); }
  .page-privacy .privacy-chapter-grid { grid-template-columns: 280px 1fr; gap: 48px; }
  .page-privacy .privacy-chapter-meta { border-left: 2px solid var(--privacy-border); padding-left: 24px; }
  .page-privacy .privacy-chapter-meta::before { display: none; }
  .page-privacy .privacy-chapter { padding: 72px 44px 60px; }
  .page-privacy .privacy-rights-grid { grid-template-columns: repeat(3, 1fr); }
  .page-privacy .privacy-update-steps { display: grid; grid-template-columns: repeat(2, 1fr); }
  .page-privacy .privacy-contact-panel { grid-template-columns: 1.1fr 0.9fr; gap: 48px; padding: 60px 48px; }
  .page-privacy .privacy-contact-channels { margin-top: 0; border-top: none; gap: 8px 32px; }
  .page-privacy .privacy-channel { padding: 12px 0; }
}

/* ========== Media: 1200px ========== */
@media (min-width: 1200px) {
  .page-privacy .privacy-chapter { margin-bottom: 40px; }
  .page-privacy .privacy-contact { padding-bottom: 76px; }
  .page-privacy .privacy-panels { margin-bottom: 8px; }
}