/* =============================================
   샤오통 — advertiser.css
   광고주 전용 페이지 (다크 기조)
   ============================================= */

   :root {
    --red:        #E8192C;
    --red-dark:   #B8101F;
    --red-light:  #FF4757;
    --red-pale:   rgba(232,25,44,0.12);
    --black:      #0a0a0a;
    --dark:       #111118;
    --dark2:      #18181f;
    --dark3:      #1e1e28;
    --dark4:      #252530;
    --white:      #FFFFFF;
    --text:       rgba(255,255,255,0.88);
    --text-muted: rgba(255,255,255,0.50);
    --text-dim:   rgba(255,255,255,0.28);
    --border:     rgba(255,255,255,0.08);
    --border2:    rgba(255,255,255,0.14);
    --gray:       #888888;
  }
  
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Noto Sans KR', sans-serif;
    background: var(--black);
    color: var(--text);
    overflow-x: hidden;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 48px;
  }
  

  /* ── HERO (좌우 분할) ── */
  .adv-hero {
    min-height: 100vh;
    display: grid; grid-template-columns: 1fr 1fr;
    align-items: center;
    padding-top: 70px;
    overflow: hidden;
  }
  .adv-hero-left {
    background: var(--dark2);
    padding: 80px 64px 80px 48px;
    min-height: 100vh;
    display: flex; flex-direction: column; justify-content: center;
  }
  .adv-hero-right {
    background: var(--dark3);
    min-height: 100vh;
    display: flex; flex-direction: column;
    justify-content: center; align-items: flex-start;
    padding: 80px 48px 80px 64px;
    position: relative; overflow: hidden;
    border-left: 1px solid var(--border);
  }
  .adv-hero-right::before {
    content: '通';
    position: absolute; right: -20px; bottom: -40px;
    font-family: 'Noto Serif SC', serif;
    font-size: 300px; font-weight: 900;
    color: rgba(232,25,44,0.05); line-height: 1;
    pointer-events: none;
  }
  
  .adv-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11px; color: var(--red); font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: 28px;
  }
  .adv-eyebrow::before { content: ''; width: 20px; height: 2px; background: var(--red); }
  
  .adv-hero-h1 {
    font-size: clamp(28px, 3.5vw, 52px);
    font-weight: 900; line-height: 1.2;
    color: var(--white); margin-bottom: 24px;
    letter-spacing: -1px;
  }
  .adv-hero-h1 em { font-style: normal; color: var(--red); }
  
  .adv-hero-sub {
    font-size: 16px; line-height: 1.9; color: var(--text-muted);
    margin-bottom: 40px; max-width: 480px;
  }
  .adv-hero-sub strong { color: var(--white); }
  
  .adv-hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
  .btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--red); color: white;
    padding: 16px 28px; border-radius: 6px;
    font-size: 14px; font-weight: 700; text-decoration: none;
    transition: background 0.2s, transform 0.2s;
  }
  .btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); }
  .btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--text);
    padding: 16px 28px; border-radius: 6px;
    border: 1.5px solid var(--border2);
    font-size: 14px; font-weight: 700; text-decoration: none;
    transition: border-color 0.2s;
  }
  .btn-secondary:hover { border-color: var(--red); color: var(--red); }
  
  /* 업종 뱃지 */
  .adv-industry-row { margin-top: 40px; }
  .adv-industry-label {
    font-size: 11px; color: var(--text-dim); margin-bottom: 12px; letter-spacing: 1px;
  }
  .adv-industry-track { display: flex; gap: 8px; flex-wrap: wrap; }
  .industry-badge {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 11px; color: var(--text-muted);
    background: rgba(255,255,255,0.05);
    padding: 5px 12px; border-radius: 20px;
    border: 1px solid var(--border);
    white-space: nowrap;
  }
  
  /* ── 우측 체크리스트 (강조) ── */
  .adv-checklist { position: relative; z-index: 1; width: 100%; }
  .adv-checklist-title {
    font-size: 10px; letter-spacing: 3px; color: var(--red);
    text-transform: uppercase; margin-bottom: 20px;
    display: flex; align-items: center; gap: 8px;
  }
  .adv-checklist-title::after { content: ''; flex: 0 0 24px; height: 1px; background: var(--red); }
  
  .adv-checklist-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 18px 20px;
    margin-bottom: 6px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-left: 3px solid transparent;
    border-radius: 4px;
    transition: background 0.2s, border-left-color 0.2s;
  }
  .adv-checklist-item:hover {
    background: rgba(232,25,44,0.08);
    border-left-color: var(--red);
  }
  
  .check-icon {
    width: 28px; height: 28px; border-radius: 50%;
    background: rgba(232,25,44,0.15);
    border: 1.5px solid rgba(232,25,44,0.4);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; font-size: 12px; color: var(--red);
    font-weight: 900;
  }
  .check-text strong {
    display: block; font-size: 15px; font-weight: 700;
    color: var(--white); margin-bottom: 4px; line-height: 1.3;
  }
  .check-text span {
    font-size: 13px; color: var(--text-muted); line-height: 1.5;
  }
  
  /* ── 섹션 공통 ── */
  .adv-section { padding: 100px 0; }
  .adv-section-label {
    font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
    color: var(--red); margin-bottom: 16px;
    display: flex; align-items: center; gap: 10px;
  }
  .adv-section-label::after { content: ''; flex: 0 0 32px; height: 1px; background: var(--red); }
  .adv-section-title {
    font-size: clamp(24px, 3.5vw, 42px);
    font-weight: 900; line-height: 1.25; margin-bottom: 16px;
    color: var(--white);
  }
  .adv-section-body {
    font-size: 16px; line-height: 1.9; color: var(--text-muted); max-width: 600px;
  }
  
  /* ── BLOCK 숫자 ── */
  .adv-stats { background: var(--dark2); }
  .adv-stat-row {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1px; background: var(--border);
    margin-top: 60px; border: 1px solid var(--border);
  }
  .adv-stat-item {
    background: var(--dark3); padding: 48px 40px;
    position: relative; overflow: hidden;
  }
  .adv-stat-item::after {
    content: attr(data-bg);
    position: absolute; right: 12px; bottom: -8px;
    font-family: 'Noto Serif SC', serif;
    font-size: 80px; font-weight: 900;
    color: rgba(255,255,255,0.03); line-height: 1;
    pointer-events: none;
  }
  .adv-stat-num {
    font-size: clamp(44px, 5vw, 68px); font-weight: 900;
    color: var(--red); letter-spacing: -3px; line-height: 1;
    margin-bottom: 12px;
  }
  .adv-stat-label { font-size: 15px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
  .adv-stat-desc  { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
  
  /* ── BLOCK 차별점 ── */
  .adv-diff { background: var(--dark); }
  
  .diff-block { margin-top: 48px; position: relative; }
  .diff-block + .diff-block { margin-top: 3px; }
  
  .diff-block-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--red); color: white;
    font-size: 15px; font-weight: 900;
    position: absolute; top: -20px; left: 48px; z-index: 1;
  }
  
  .diff-panel {
    background: var(--dark2);
    border: 1px solid var(--border);
    padding: 56px 48px 48px;
  }
  .diff-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
  
  .diff-panel-title {
    font-size: 26px; font-weight: 900; line-height: 1.3;
    color: var(--white); margin-bottom: 20px;
  }
  .diff-panel-title em { font-style: normal; color: var(--red); }
  .diff-panel-body {
    font-size: 15px; line-height: 1.9; color: var(--text-muted); margin-bottom: 28px;
  }
  
  .diff-risk-box {
    background: rgba(232,25,44,0.08);
    border: 1px solid rgba(232,25,44,0.2);
    border-left: 4px solid var(--red);
    padding: 20px 24px; border-radius: 0 6px 6px 0;
    margin-bottom: 24px;
  }
  .diff-risk-box .risk-title {
    font-size: 12px; font-weight: 700; color: var(--red);
    margin-bottom: 10px; letter-spacing: 0.5px;
  }
  .diff-risk-box ul { list-style: none; }
  .diff-risk-box ul li {
    font-size: 14px; color: rgba(255,100,100,0.9); line-height: 1.8;
    padding-left: 16px; position: relative;
  }
  .diff-risk-box ul li::before { content: '✕'; position: absolute; left: 0; font-size: 10px; }
  
  .diff-solve-list { list-style: none; }
  .diff-solve-list li {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 13px 0; border-bottom: 1px solid var(--border);
    font-size: 14px; line-height: 1.6; color: var(--text);
  }
  .diff-solve-list li:last-child { border-bottom: none; }
  .diff-solve-list li::before {
    content: '✓'; color: var(--red); font-weight: 900;
    flex-shrink: 0; margin-top: 2px;
  }
  
  .diff-platform-flow {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: 12px; padding: 32px;
  }
  .diff-platform-flow-title {
    font-size: 11px; letter-spacing: 1.5px; color: var(--text-dim);
    text-transform: uppercase; margin-bottom: 20px;
  }
  .diff-flow-source {
    background: var(--dark4); color: var(--white);
    padding: 14px 20px; border-radius: 8px;
    text-align: center; font-size: 14px; font-weight: 700;
    margin-bottom: 16px; border: 1px solid var(--border2);
  }
  .diff-flow-arrow {
    text-align: center; font-size: 18px; color: var(--red); margin-bottom: 12px;
  }
  .diff-flow-targets { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .diff-flow-target {
    background: var(--dark4);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px; padding: 12px 14px;
    display: flex; align-items: center; gap: 8px;
    font-size: 12px; font-weight: 700; color: var(--text);
  }
  .diff-flow-target .flag { font-size: 16px; }
  
  .compare-table { width: 100%; border-collapse: collapse; }
  .compare-table th {
    padding: 14px 16px; font-size: 12px; font-weight: 700;
    text-align: center; border-bottom: 1px solid var(--border2);
    color: var(--text-muted);
  }
  .compare-table th:first-child { text-align: left; }
  .compare-table th.highlight { background: var(--red-pale); color: var(--red); }
  .compare-table td {
    padding: 13px 16px; font-size: 13px;
    border-bottom: 1px solid var(--border); text-align: center;
    color: var(--text-muted);
  }
  .compare-table td:first-child { text-align: left; color: var(--text); font-weight: 500; }
  .compare-table td.highlight { background: var(--red-pale); font-weight: 700; color: var(--red); }
  .compare-table .no  { color: rgba(255,255,255,0.2); }
  .compare-table .yes { color: #4ade80; font-weight: 700; }
  
  /* ── BLOCK 인플루언서 ── */
  .adv-influencers { background: var(--dark2); }
  
  .inf-header {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 40px; flex-wrap: wrap; gap: 20px;
  }
  .inf-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
  
  .inf-card-link { display: block; text-decoration: none; color: inherit; }
  .inf-card-noimg { font-size: 36px; }
  
  .inf-card {
    background: var(--dark3);
    border: 1px solid var(--border);
    border-radius: 12px; overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
  }
  .inf-card:hover {
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    transform: translateY(-3px);
    border-color: var(--border2);
  }
  .inf-card-photo {
    width: 100%; aspect-ratio: 1/1;
    background: var(--dark4);
    display: flex; align-items: center; justify-content: center;
    font-size: 36px; overflow: hidden;
  }
  .inf-card-photo img { width: 100%; height: 100%; object-fit: cover; }
  .inf-card-body { padding: 14px 16px; }
  .inf-card-name {
    font-size: 14px; font-weight: 700;
    color: var(--white); margin-bottom: 4px;
    filter: blur(4px); user-select: none;
  }
  .inf-card-follower { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
  .inf-card-channels { display: flex; gap: 5px; flex-wrap: wrap; }
  .ch-badge {
    font-size: 10px; padding: 3px 8px; border-radius: 10px;
    background: rgba(255,255,255,0.07); color: var(--text-muted); font-weight: 600;
  }
  .ch-badge.xhs { background: rgba(232,25,44,0.15); color: var(--red); }
  
  .inf-more-card {
    border: 1.5px dashed var(--border2);
    border-radius: 12px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 8px; padding: 32px;
    text-decoration: none; color: var(--text);
    background: var(--dark3);
    transition: border-color 0.2s, background 0.2s;
  }
  .inf-more-card:hover { border-color: var(--red); background: var(--red-pale); }
  .inf-more-num { font-size: 32px; font-weight: 900; color: var(--red); }
  .inf-more-text { font-size: 13px; color: var(--text-muted); text-align: center; line-height: 1.6; }
  
  /* ── BLOCK 레퍼런스 ── */
  .adv-ref { background: var(--dark); }
  
  .ref-filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 32px 0 28px; }
  .ref-filter-tab {
    padding: 8px 18px; border-radius: 20px;
    border: 1.5px solid var(--border2);
    background: transparent; font-size: 12px; font-weight: 700;
    cursor: pointer; color: var(--text-muted); transition: all 0.2s;
  }
  .ref-filter-tab.active,
  .ref-filter-tab:hover { background: var(--red); color: white; border-color: var(--red); }
  
  .adv-ref-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 3px; }
  .adv-ref-item { position: relative; overflow: hidden; aspect-ratio: 3/4; background: var(--dark4); }
  .adv-ref-item a { display: block; width: 100%; height: 100%; }
  .adv-ref-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s; }
  .adv-ref-item:hover img { transform: scale(1.05); }
  .adv-ref-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0); display: flex; align-items: flex-end; padding: 14px;
    transition: background 0.3s;
  }
  .adv-ref-item:hover .adv-ref-overlay { background: rgba(0,0,0,0.6); }
  .adv-ref-label {
    opacity: 0; transform: translateY(6px); transition: all 0.3s;
    font-size: 10px; font-weight: 700; color: white;
    letter-spacing: 1.5px; text-transform: uppercase;
  }
  .adv-ref-item:hover .adv-ref-label { opacity: 1; transform: translateY(0); }
  
  /* ── BLOCK 프로세스 ── */
  .adv-process { background: var(--dark2); }
  .process-steps {
    display: grid; grid-template-columns: repeat(5, 1fr);
    gap: 0; margin-top: 60px; position: relative;
  }
  .process-steps::before {
    content: '';
    position: absolute; top: 28px; left: 10%; right: 10%;
    height: 1px; background: var(--border2); z-index: 0;
  }
  .process-step { text-align: center; padding: 0 12px; position: relative; z-index: 1; }
  .process-num {
    width: 56px; height: 56px; border-radius: 50%;
    background: var(--dark3); border: 2px solid var(--border2);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    font-size: 18px; font-weight: 900; color: var(--red);
    transition: background 0.2s, border-color 0.2s;
  }
  .process-step:hover .process-num { background: var(--red); color: white; border-color: var(--red); }
  .process-title { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
  .process-desc  { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
  
  /* ── BLOCK 패키지 ── */
  .adv-package { background: var(--dark3); }
  .adv-package .adv-section-title { color: var(--white); }
  .adv-package .adv-section-body  { color: var(--text-muted); }
  
  .pkg-intro {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-left: 4px solid var(--red);
    padding: 28px 32px; margin-top: 40px; margin-bottom: 48px;
    border-radius: 0 8px 8px 0;
  }
  .pkg-intro p { font-size: 15px; line-height: 1.9; color: var(--text-muted); }
  .pkg-intro strong { color: var(--white); }
  
  .pkg-examples { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-bottom: 48px; }
  .pkg-example {
    background: var(--dark4); padding: 40px 36px;
    border: 1px solid var(--border);
  }
  .pkg-example:first-child { border-left: 3px solid var(--red); }
  .pkg-example-tag {
    display: inline-block; font-size: 10px; letter-spacing: 2px;
    color: var(--red); text-transform: uppercase; margin-bottom: 16px;
  }
  .pkg-example-title { font-size: 18px; font-weight: 900; color: var(--white); margin-bottom: 12px; line-height: 1.3; }
  .pkg-example-desc  { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
  .pkg-example-channels { display: flex; gap: 6px; flex-wrap: wrap; }
  .pkg-ch {
    font-size: 11px; padding: 4px 10px; border-radius: 12px;
    background: rgba(255,255,255,0.07); color: var(--text-muted);
  }
  
  .pkg-cta-box {
    background: var(--red); padding: 48px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 24px; flex-wrap: wrap;
  }
  .pkg-cta-box p { font-size: 20px; font-weight: 700; color: white; line-height: 1.5; }
  .pkg-cta-box p span { display: block; font-size: 14px; font-weight: 400; opacity: 0.8; margin-top: 4px; }
  .pkg-cta-box a {
    display: inline-flex; align-items: center; gap: 8px;
    background: white; color: var(--red);
    padding: 16px 32px; border-radius: 6px;
    font-size: 14px; font-weight: 700; text-decoration: none;
    white-space: nowrap; transition: transform 0.2s;
  }
  .pkg-cta-box a:hover { transform: translateY(-2px); }
  
  /* ── FINAL CTA ── */
  .adv-final-cta { background: var(--dark2); }
  .final-cta-box { text-align: center; max-width: 640px; margin: 0 auto; }
  .final-cta-box h2 {
    font-size: clamp(26px, 4vw, 44px); font-weight: 900;
    line-height: 1.25; margin-bottom: 16px; color: var(--white);
  }
  .final-cta-box h2 em { font-style: normal; color: var(--red); }
  .final-cta-box p { font-size: 16px; color: var(--text-muted); line-height: 1.8; margin-bottom: 40px; }
  .final-cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
  .btn-kakao {
    display: inline-flex; align-items: center; gap: 10px;
    background: #FEE500; color: #3C1E1E;
    padding: 16px 28px; border-radius: 6px;
    font-size: 14px; font-weight: 700; text-decoration: none;
    transition: transform 0.2s;
  }
  .btn-kakao:hover { transform: translateY(-2px); }
  .btn-email {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--dark4); color: white;
    border: 1px solid var(--border2);
    padding: 16px 28px; border-radius: 6px;
    font-size: 14px; font-weight: 700; text-decoration: none;
    transition: transform 0.2s;
  }
  .btn-email:hover { transform: translateY(-2px); }
  
  /* ── 애니메이션 ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
  .reveal.visible { opacity: 1; transform: translateY(0); }
  
  /* ── 반응형 ── */
  @media (max-width: 1024px) {
    .adv-hero        { grid-template-columns: 1fr; }
    .adv-hero-left   { min-height: auto; padding: 80px 48px 60px; }
    .adv-hero-right  { min-height: auto; padding: 60px 48px; }
    .inf-grid        { grid-template-columns: repeat(3, 1fr); }
    .process-steps   { grid-template-columns: repeat(3, 1fr); gap: 32px; }
    .process-steps::before { display: none; }
    .pkg-examples    { grid-template-columns: 1fr; }
  }
  @media (max-width: 768px) {
    .container, .nav-inner { padding: 0 24px; }
    .adv-section   { padding: 72px 0; }
    .adv-hero-left { padding: 80px 24px 48px; }
    .adv-hero-right { padding: 48px 24px; }
    .adv-stat-row   { grid-template-columns: 1fr; }
    .diff-panel.active { grid-template-columns: 1fr; gap: 32px; }
    .diff-block-num    { left: 24px; }
    .inf-grid        { grid-template-columns: repeat(2, 1fr); }
    .adv-ref-grid    { grid-template-columns: repeat(2, 1fr); }
    .process-steps   { grid-template-columns: 1fr 1fr; }
    .pkg-cta-box     { flex-direction: column; }
    .final-cta-btns  { flex-direction: column; align-items: center; }
  }