*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --canvas: #f7f7f4;
  --canvas-soft: #fafaf7;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --primary: #f54e00;
  --primary-active: #d04200;
  --on-primary: #ffffff;
  --ink: #26251e;
  --body: #5a5852;
  --body-strong: #26251e;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --semantic-success: #1f8a65;
  --semantic-error: #cf2d56;
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-pill: 9999px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
img { display: block; max-width: 100%; height: auto; }

.sc-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sc-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
}
.sc-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.sc-nav__logo {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.sc-nav__menu {
  display: flex;
  gap: 32px;
  align-items: center;
}
.sc-nav__menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  transition: color 0.15s;
}
.sc-nav__menu a:hover { color: var(--ink); }
.sc-nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.sc-nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.sc-hero {
  padding: 80px 0;
  border-bottom: 1px solid var(--hairline);
}
.sc-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.sc-hero__label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
  border-radius: var(--r-pill);
  padding: 4px 10px;
  margin-bottom: 20px;
}
.sc-hero__title {
  font-size: 48px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 20px;
}
.sc-hero__desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  max-width: 480px;
  margin-bottom: 32px;
}
.sc-hero__img {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.sc-hero__img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.sc-section {
  padding: 80px 0;
}
.sc-section + .sc-section {
  border-top: 1px solid var(--hairline);
}
.sc-section__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.sc-section__title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 16px;
}
.sc-section__desc {
  font-size: 16px;
  color: var(--body);
  max-width: 600px;
  margin-bottom: 40px;
}

.sc-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.sc-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color 0.15s;
}
.sc-card:hover { border-color: var(--hairline-strong); }
.sc-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.sc-card__body { padding: 20px 24px 24px; }
.sc-card__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
  border-radius: var(--r-pill);
  padding: 3px 8px;
  margin-bottom: 10px;
}
.sc-card__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 8px;
}
.sc-card__desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 16px;
}
.sc-card__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}
.sc-card__link:hover { color: var(--primary-active); }

.sc-tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.sc-tip {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 28px;
}
.sc-tip__num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.sc-tip__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.sc-tip__text { font-size: 14px; color: var(--body); line-height: 1.6; }

.sc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--r-md);
  border: none;
  cursor: pointer;
  padding: 10px 18px;
  height: 40px;
  transition: background 0.15s, border-color 0.15s;
  text-decoration: none;
}
.sc-btn--primary {
  background: var(--primary);
  color: var(--on-primary);
}
.sc-btn--primary:hover { background: var(--primary-active); color: var(--on-primary); }
.sc-btn--secondary {
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}
.sc-btn--secondary:hover { border-color: var(--ink); }

.sc-article {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 0;
}
.sc-article__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.sc-article__title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 16px;
}
.sc-article__meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--hairline);
}
.sc-article__hero {
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 40px;
  border: 1px solid var(--hairline);
}
.sc-article__hero img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.sc-article__body h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin: 40px 0 12px;
}
.sc-article__body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 24px 0 8px;
}
.sc-article__body p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 20px;
}
.sc-article__body ul,
.sc-article__body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.sc-article__body li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 6px;
}
.sc-article__body a { color: var(--primary); }
.sc-article__body a:hover { color: var(--primary-active); }
.sc-article__img-block {
  margin: 32px 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.sc-article__img-block img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.sc-article__img-caption {
  padding: 10px 16px;
  background: var(--canvas-soft);
  font-size: 13px;
  color: var(--muted);
}
.sc-article__callout {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--r-md);
  padding: 20px 24px;
  margin: 24px 0;
}
.sc-article__callout p {
  margin-bottom: 0;
  font-size: 15px;
  color: var(--body-strong);
}

.sc-form-section {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 40px;
}
.sc-form__title {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin-bottom: 8px;
}
.sc-form__desc {
  font-size: 14px;
  color: var(--body);
  margin-bottom: 28px;
}
.sc-form__row { margin-bottom: 20px; }
.sc-form__label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}
.sc-form__input,
.sc-form__textarea {
  width: 100%;
  background: var(--surface-card);
  color: var(--ink);
  font-family: inherit;
  font-size: 16px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: 12px 16px;
  height: 44px;
  outline: none;
  transition: border-color 0.15s;
}
.sc-form__textarea { height: auto; min-height: 120px; resize: vertical; }
.sc-form__input:focus,
.sc-form__textarea:focus { border-color: var(--ink); }
.sc-form__input.error,
.sc-form__textarea.error { border-color: var(--semantic-error); }
.sc-form__error {
  display: none;
  font-size: 13px;
  color: var(--semantic-error);
  margin-top: 4px;
}
.sc-form__loading {
  display: none;
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
}
.sc-form__success {
  display: none;
  font-size: 14px;
  color: var(--semantic-success);
  font-weight: 500;
  margin-top: 12px;
}

.sc-page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.sc-page-hero__title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 12px;
}
.sc-page-hero__desc { font-size: 16px; color: var(--body); max-width: 560px; }

.sc-prose {
  max-width: 760px;
  padding: 48px 0 80px;
}
.sc-prose h2 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin: 36px 0 10px;
}
.sc-prose h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin: 20px 0 6px;
}
.sc-prose p { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 16px; }
.sc-prose ul { padding-left: 20px; margin-bottom: 16px; }
.sc-prose li { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 4px; }
.sc-prose a { color: var(--primary); }

.sc-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 48px 0 0;
  margin-top: 0;
}
.sc-footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.sc-footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sc-footer__brand {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}
.sc-footer__tagline { font-size: 14px; color: var(--muted); }
.sc-footer__heading {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.sc-footer__col a {
  font-size: 14px;
  color: var(--body);
}
.sc-footer__col a:hover { color: var(--ink); }
.sc-footer__bottom {
  border-top: 1px solid var(--hairline);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}

.sc-cookie {
  display: none;
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 680px;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: 0 4px 24px rgba(38,37,30,0.08);
  z-index: 999;
  flex-wrap: wrap;
}
.sc-cookie.sc-cookie--hidden { display: none !important; }
.sc-cookie__text { font-size: 14px; color: var(--body); flex: 1; min-width: 200px; }
.sc-cookie__text a { color: var(--primary); }
.sc-cookie__actions { display: flex; gap: 10px; flex-shrink: 0; }

.sc-breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 8px;
  align-items: center;
}
.sc-breadcrumb a { color: var(--muted); }
.sc-breadcrumb a:hover { color: var(--ink); }
.sc-breadcrumb__sep { color: var(--hairline-strong); }

.sc-related { padding: 48px 0 80px; border-top: 1px solid var(--hairline); }
.sc-related__title {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin-bottom: 28px;
}

@media (max-width: 1024px) {
  .sc-hero__title { font-size: 38px; }
  .sc-card-grid { grid-template-columns: repeat(2, 1fr); }
  .sc-footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .sc-nav__menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    gap: 16px;
  }
  .sc-nav__menu.open { display: flex; }
  .sc-nav__burger { display: flex; }
  .sc-nav { position: relative; }
  .sc-hero__inner { grid-template-columns: 1fr; }
  .sc-hero__img { display: none; }
  .sc-hero__title { font-size: 32px; }
  .sc-card-grid { grid-template-columns: 1fr; }
  .sc-tips-grid { grid-template-columns: 1fr; }
  .sc-footer__inner { grid-template-columns: 1fr 1fr; }
  .sc-footer__bottom { flex-direction: column; gap: 8px; }
  .sc-article__title { font-size: 28px; }
  .sc-section__title { font-size: 26px; }
  .sc-form-section { padding: 24px; }
}

@media (max-width: 480px) {
  .sc-footer__inner { grid-template-columns: 1fr; }
  .sc-cookie { flex-direction: column; align-items: flex-start; }
}