html, body { margin: 0; padding: 0; font-family: 'Source Sans Pro', sans-serif; background: #fff; }
/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #1a3a6b;
  --navy-dark: #0f2550;
  --green: #1a5f3f;
  --green-light: #a8d5ba;
  --green-dark: #15803d;
  --red: #c0392b;
  --red-dark: #a93226;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --nav-height: 64px;
  --topbar-height: 30px;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.14);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.18);
  --max-w: 1280px;
}

html { scroll-behavior: smooth; }
body { color: var(--gray-900); background: #fff; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ---- Container ---- */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }
@media(min-width:1024px){#quote-btn-desktop{display:inline-flex!important}}
/* ---- Section label ---- */
.section-label { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--green); margin-bottom: .5rem; }
.section-label-white { color: var(--green-light); }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .75rem 1.75rem; border-radius: 8px; font-size: 14px; font-weight: 600; transition: all .2s; cursor: pointer; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline-green { background: transparent; color: var(--green); border: 1.5px solid var(--green); }
.btn-outline-green:hover { background: var(--green); color: #fff; }
.btn-outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.4); }
.btn-outline-white:hover { background: rgba(255,255,255,.1); }
.btn-white { background: #fff; color: var(--green); font-weight: 700; }
.btn-white:hover { background: var(--gray-100); }
.btn-lg { padding: .875rem 2.25rem; font-size: 15px; }


/* ===== TOP BAR ===== */
.skdin-topbar {
  background-color: var(--navy);
  color: var(--white);
  font-size: 12px;
  padding: 6px 16px;
  display: none;
}
@media (min-width: 768px) {
  .skdin-topbar { display: block; }
}
.skdin-topbar__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.skdin-topbar__left {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 11px;
  letter-spacing: 0.02em;
  opacity: 0.9;
}
.skdin-topbar__right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 11px;
}
.skdin-topbar__right a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.15s;
}
.skdin-topbar__right a:hover { color: #bfdbfe; }
.skdin-topbar__right .sep { opacity: 0.5; }

/* ===== MAIN HEADER ===== */
.skdin-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--white);
  border-bottom: 1px solid var(--gray-100);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s;
  font-family: 'Source Sans Pro', sans-serif;
}
.skdin-header.scrolled {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  border-bottom-color: transparent;
}
.skdin-header__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}
@media (min-width: 640px) {
  .skdin-header__inner { padding: 0 24px; }
}
@media (min-width: 1024px) {
  .skdin-header__inner { padding: 0 32px; }
}

/* ===== LOGO ===== */
.skdin-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.skdin-logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

/* ===== DESKTOP NAV ===== */
.skdin-nav {
  display: none;
  align-items: center;
  gap: 2px;
}
@media (min-width: 1024px) {
  .skdin-nav { display: flex; }
}

.skdin-nav__item {
  position: relative;
}

.skdin-nav__link,
.skdin-nav__btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.15s;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Source Sans Pro', sans-serif;
  white-space: nowrap;
}
.skdin-nav__link:hover,
.skdin-nav__btn:hover {
  color: var(--navy);
  background-color: var(--gray-50);
}
.skdin-nav__link.active {
  color: var(--navy);
  font-weight: 600;
}

.skdin-nav__chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.skdin-nav__item.open .skdin-nav__chevron {
  transform: rotate(180deg);
}

/* ===== DROPDOWN MENUS ===== */
.skdin-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.06);
  border: 1px solid var(--gray-100);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
  pointer-events: none;
}
.skdin-nav__item:hover .skdin-dropdown,
.skdin-nav__item.open .skdin-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

/* Products mega menu */
.skdin-dropdown--products {
  width: 620px;
  padding: 24px;
}
.skdin-dropdown--products .dd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.skdin-dropdown__section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.skdin-dropdown__section-bar {
  width: 4px;
  height: 16px;
  border-radius: 2px;
  flex-shrink: 0;
}
.skdin-dropdown__section-bar--blue { background-color: var(--navy); }
.skdin-dropdown__section-bar--red  { background-color: var(--red); }
.skdin-dropdown__section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.skdin-dropdown__section-label--blue { color: var(--navy); }
.skdin-dropdown__section-label--red  { color: var(--red); }

.skdin-dropdown__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  font-size: 14px;
  color: var(--gray-600);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.15s;
  margin-bottom: 2px;
}
.skdin-dropdown__link:hover {
  background-color: #eff6ff;
  color: var(--navy);
}
.skdin-dropdown__link--red:hover {
  background-color: #fef2f2;
  color: var(--red);
}
.skdin-dropdown__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--gray-300);
  flex-shrink: 0;
  transition: background-color 0.15s;
}
.skdin-dropdown__link:hover .skdin-dropdown__dot { background-color: var(--navy); }
.skdin-dropdown__link--red:hover .skdin-dropdown__dot { background-color: var(--red); }

.skdin-dropdown__footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.skdin-dropdown__footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  transition: color 0.15s;
}
.skdin-dropdown__footer-link:hover { color: var(--navy-dark); }
.skdin-dropdown__footer-link svg { width: 14px; height: 14px; }
.skdin-dropdown__footer-secondary {
  font-size: 14px;
  color: var(--gray-500);
  text-decoration: none;
  transition: color 0.15s;
}
.skdin-dropdown__footer-secondary:hover { color: var(--gray-700); }

/* Applications dropdown */
.skdin-dropdown--apps {
  width: 220px;
  padding: 8px;
}
/* Resources dropdown */
.skdin-dropdown--resources {
  width: 200px;
  padding: 8px;
}
.skdin-dropdown--apps .skdin-dropdown__link,
.skdin-dropdown--resources .skdin-dropdown__link {
  padding: 8px 12px;
}

/* ===== NAV RIGHT ACTIONS ===== */
.skdin-nav__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.skdin-search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  border: none;
  background: none;
  color: var(--gray-500);
  cursor: pointer;
  transition: all 0.15s;
}
.skdin-search-btn:hover {
  background-color: var(--gray-100);
  color: var(--gray-700);
}
.skdin-search-btn svg { width: 18px; height: 18px; }

.skdin-quote-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background-color: var(--navy);
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.15s;
  font-family: 'Source Sans Pro', sans-serif;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.skdin-quote-btn:hover { background-color: var(--navy-dark); }

/* ===== HAMBURGER BUTTON ===== */
.skdin-hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  background: none;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--gray-700);
}
.skdin-hamburger:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-300);
}
.skdin-hamburger svg { width: 20px; height: 20px; }
@media (min-width: 1024px) {
  .skdin-hamburger { display: none; }
}

/* ===== MOBILE MENU ===== */
.skdin-mobile-menu {
  display: none;
  border-top: 1px solid var(--gray-100);
  background: var(--white);
  padding: 12px 16px 20px;
  font-family: 'Source Sans Pro', sans-serif;
}
.skdin-mobile-menu.open { display: block; }
@media (min-width: 1024px) {
  .skdin-mobile-menu { display: none !important; }
}

.skdin-mobile-menu__link {
  display: block;
  padding: 12px 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.15s;
}
.skdin-mobile-menu__link:hover { background-color: var(--gray-50); }

.skdin-mobile-accordion__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s;
  font-family: 'Source Sans Pro', sans-serif;
  text-align: left;
}
.skdin-mobile-accordion__btn:hover { background-color: var(--gray-50); }
.skdin-mobile-accordion__chevron {
  width: 16px;
  height: 16px;
  color: var(--gray-400);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.skdin-mobile-accordion.open .skdin-mobile-accordion__chevron {
  transform: rotate(180deg);
}
.skdin-mobile-accordion__content {
  display: none;
  padding-left: 16px;
  padding-bottom: 8px;
}
.skdin-mobile-accordion.open .skdin-mobile-accordion__content {
  display: block;
  max-height: 50vh;
    overflow-y: auto;
}
.skdin-mobile-accordion__sub-link {
  display: block;
  padding: 8px 8px;
  font-size: 14px;
  color: var(--gray-600);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.15s;
}
.skdin-mobile-accordion__sub-link:hover {
  color: var(--navy);
  background-color: #eff6ff;
}
.skdin-mobile-menu__quote {
  display: block;
  width: 100%;
  text-align: center;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background-color: var(--navy);
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.15s;
  margin-top: 8px;
}
.skdin-mobile-menu__quote:hover { background-color: var(--navy-dark); }

/*search*/
/* 1. 隐藏浏览器原生清除按钮 (解决2个叉号问题) */
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {display: none;-webkit-appearance: none;}
/* 2. 遮罩层 */
.z-search-overlay {position: fixed;top: 0; left: 0; right: 0; bottom: 0;background: rgba(15, 23, 42, 0.45);backdrop-filter: blur(10px);-webkit-backdrop-filter: blur(10px);display: none;z-index: 999999;align-items: flex-start;justify-content: center;}
.z-search-overlay--active { display: flex; }

/* 3. 模态框主体 */
.z-search-modal {width: 100%;height: 100dvh;background: #f4f7f5;display: flex;flex-direction: column;overflow: hidden;animation: z-slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);}
 @media (min-width: 768px) {
     .z-search-overlay--active { padding-top: 10vh; }
     .z-search-modal { width: 680px;height: auto;max-height: 75vh;border-radius: 20px;box-shadow: 0 20px 60px rgba(0,0,0,0.25);animation: z-spotlight 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
 }

@keyframes z-slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
@keyframes z-spotlight { from { opacity: 0; transform: translateY(-20px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
/* 4. 搜索头设计 */
.z-search-header {background: #ffffff;padding: 14px 18px;display: flex;align-items: center;gap: 12px;border-bottom: 1px solid #edf2f0;}
.z-search-input-group {flex: 1;display: flex;align-items: center;background: #f1f4f2;border-radius: 14px;padding: 2px 14px;border: 2px solid transparent;transition: all 0.2s;}
.z-search-input-group:focus-within {background: #fff;border-color: #1a5f3f;box-shadow: 0 0 0 4px rgba(26, 95, 63, 0.1);}
.z-input {flex: 1;border: none;background: transparent;outline: none;height: 42px;font-size: 16px;color: #2c3e50;width:50%;}
#zClear {padding: 5px;color: #ccc;cursor: pointer;display: none;font-size: 14px;}
#zClear:hover { color: #1a5f3f; }
.z-btn-action {background: #1a3a6b;color: white;border: none;border-radius: 10px;padding: 10px 18px;font-weight: 600;cursor: pointer;}
.z-btn-cancel { color: #64748b; font-size: 14px; cursor: pointer; white-space: nowrap; }
/* 5. 内容面板 */
.z-search-body { flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.z-section-title { padding: 16px 20px 8px; font-size: 12px; color: #a0aec0; font-weight: 700; }
.z-tag-container { padding: 0 20px 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.z-tag {background: #fff; padding: 7px 15px; border-radius: 10px;font-size: 14px; border: 1px solid #e2e8f0; cursor: pointer;}
.z-tag:hover { border-color: #1a5f3f; color: #1a5f3f; }
.z-item {background: #fff;padding: 3px 20px;display: flex;align-items: center;border-bottom: 1px solid #f8fafc;cursor: pointer;text-decoratio: none;color: #2c3e50;transition: background 0.2s ease;}
.z-item:active { background: #f1f5f9; }
.z-highlight { color: #1a5f3f; font-weight: bold; }
.z-status { padding: 50px 20px; text-align: center; color: #94a3b8; }
.z-item-url {font-size: 12px;color: #666;margin-top: 2px;}
.z-item-name {font-size: 20px;font-weight: 500;line-height: 1.4;}
.z-item:hover {background: #f1f5f9;}

/* ===== FOOTER ===== */
.skdin-footer {
  background-color: #0f172a;
  color: var(--white);
  font-family: 'Source Sans Pro', sans-serif;
}
.skdin-footer__main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 16px 40px;
}
@media (min-width: 640px) {
  .skdin-footer__main { padding: 48px 24px 40px; }
}
@media (min-width: 1024px) {
  .skdin-footer__main { padding: 56px 32px 48px; }
}
.skdin-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 640px) {
  .skdin-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .skdin-footer__grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; }
}

/* Footer brand column */
.skdin-footer__brand-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  margin-bottom: 16px;
}
.skdin-footer__brand-desc {
  font-size: 14px;
  color: #9ca3af;
  line-height: 1.6;
  margin-bottom: 20px;
}
.skdin-footer__certs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.skdin-footer__cert-badge {
  font-size: 11px;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  color: #9ca3af;
  letter-spacing: 0.04em;
}
.skdin-footer__social {
  display: flex;
  align-items: center;
  gap: 12px;
}
.skdin-footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  color: var(--white);
  text-decoration: none;
  transition: background-color 0.15s;
}
.skdin-footer__social-link:hover { background-color: var(--navy); }
.skdin-footer__social-link--yt:hover { background-color: #dc2626; }
.skdin-footer__social-link--xt:hover { background-color: #000000; }
.skdin-footer__social-link svg { width: 16px; height: 16px; fill: currentColor; }

/* Footer columns */
.skdin-footer__col-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.skdin-footer__col-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.skdin-footer__col-list li { margin-bottom: 10px; }
.skdin-footer__col-list a {
  font-size: 14px;
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.15s;
}
.skdin-footer__col-list a:hover { color: var(--white); }

/* Footer contact info */
.skdin-footer__contact-info {
  margin-top: 24px;
}
.skdin-footer__contact-info .skdin-footer__col-title { margin-top: 0; }
.skdin-footer__contact-details {
  font-size: 14px;
  color: #9ca3af;
  line-height: 1.8;
}

/* Footer bottom bar */
.skdin-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
}
.skdin-footer__bottom-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
@media (min-width: 768px) {
  .skdin-footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    padding: 20px 32px;
  }
}
.skdin-footer__copyright {
  font-size: 12px;
  color: #6b7280;
  margin: 0;
}
.skdin-footer__legal-links {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: #6b7280;
}
.skdin-footer__legal-links a {
  color: #6b7280;
  text-decoration: none;
  transition: color 0.15s;
}
.skdin-footer__legal-links a:hover { color: #d1d5db; }
.skdin-footer__legal-links .sep { opacity: 0.5; }

/* ===== UTILITY ===== */
.skdin-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.sk-breadcrumb-bar { background:#f8fafc; border-bottom:1px solid #e5e7eb; padding:12px 0; }
.sk-breadcrumb { display:flex; align-items:center; gap:8px; font-size:13px; color:#6b7280; flex-wrap:wrap; }
.sk-breadcrumb a { color:#6b7280; transition:color .2s; } .sk-breadcrumb a:hover { color:#2563eb; }
.sk-breadcrumb .current { color:#111827; font-weight:500; }
.sk-breadcrumb svg { width:14px; height:14px; flex-shrink:0; }

/*分页*/
nav.pagination {display: flex;justify-content: center;  margin-top: 20px;}
nav.pagination ul {display: flex;list-style: none;padding: 0;margin: 0;flex-wrap: wrap;justify-content: center;}
nav.pagination li {margin: 2px;}
nav.pagination a,nav.pagination span {display: inline-block;padding: 6px 10px;border: 1px solid #ccc;border-radius: 4px;text-decoration: none;color: #333;font-size: 14px;}
nav.pagination a:hover {background-color: #f0f0f0;}
nav.pagination .current {background-color: #333;color: white;border-color: #333;pointer-events: none;}
 /* 移动端简化样式 */
 @media (max-width: 600px) {
     nav.pagination li.hide-mobile {display: none;}
}