```css
/* ============================================================
   黄果影视大全 et517.com - style.css
   热门影片、电视剧与精彩视频推荐
   ============================================================ */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  color: #1f2a44;
  background: #f5f7fb;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(232, 99, 44, 0.08), transparent 42%),
    radial-gradient(circle at 88% 0%, rgba(31, 42, 68, 0.08), transparent 40%);
  background-attachment: fixed;
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.4s ease, color 0.4s ease;
}

a {
  color: #e8632c;
  text-decoration: none;
  transition: color 0.25s ease, opacity 0.25s ease;
}

a:hover {
  color: #c9491a;
  text-decoration: underline;
}

img,
svg {
  max-width: 100%;
  display: block;
}

ul,
ol {
  padding-left: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

::selection {
  background: rgba(232, 99, 44, 0.25);
  color: #1f2a44;
}

/* ---------- Header ---------- */
#site-header {
  position: relative;
  z-index: 100;
  background: rgba(31, 42, 68, 0.92);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: box-shadow 0.35s ease, background 0.35s ease;
}

#site-header.sticky {
  position: sticky;
  top: 0;
  background: rgba(26, 36, 58, 0.88);
  box-shadow: 0 6px 24px rgba(15, 22, 40, 0.35);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 20px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand svg {
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(232, 99, 44, 0.45);
  transition: transform 0.35s ease;
}

.brand:hover svg {
  transform: rotate(-6deg) scale(1.06);
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #ffffff 0%, #ffd9c7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

/* ---------- Main Nav ---------- */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 6px;
  flex-wrap: wrap;
}

.main-nav a {
  display: inline-block;
  color: #c9d4e8;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  position: relative;
  transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: #e8632c;
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
  transform: translateY(-1px);
}

.main-nav a:hover::after {
  width: 60%;
}

/* ---------- Header Actions ---------- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex-wrap: wrap;
}

.site-search {
  display: flex;
  align-items: stretch;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-search:focus-within {
  border-color: rgba(232, 99, 44, 0.7);
  box-shadow: 0 0 0 3px rgba(232, 99, 44, 0.2);
}

.site-search input {
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: #fff;
  font-size: 14px;
  outline: none;
  min-width: 180px;
}

.site-search input::placeholder {
  color: rgba(201, 212, 232, 0.65);
}

.site-search button {
  padding: 8px 18px;
  border: none;
  background: linear-gradient(135deg, #e8632c, #f0844f);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: filter 0.25s ease;
}

.site-search button:hover {
  filter: brightness(1.1);
}

.header-actions > button {
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
  color: #c9d4e8;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.header-actions > button:hover {
  background: rgba(232, 99, 44, 0.85);
  border-color: transparent;
  color: #fff;
  transform: translateY(-1px);
}

#menu-toggle {
  display: none;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px 0;
}

.breadcrumb ol {
  display: flex;
  list-style: none;
  gap: 8px;
  font-size: 14px;
  color: #5a6b8c;
  flex-wrap: wrap;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: #9aa8c2;
}

.breadcrumb a {
  color: #5a6b8c;
}

.breadcrumb a:hover {
  color: #e8632c;
}

.breadcrumb [aria-current="page"] {
  color: #e8632c;
  font-weight: 600;
}

/* ---------- Main Layout ---------- */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Section ---------- */
.section {
  padding: 40px 0;
  border-bottom: 1px solid #e3e7ef;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section.visible {
  opacity: 1;
  transform: none;
}

.section:last-of-type {
  border-bottom: none;
}

/* ---------- Typography ---------- */
h1 {
  font-size: 30px;
  line-height: 1.4;
  margin-bottom: 18px;
  font-weight: 800;
  letter-spacing: 0.3px;
  background: linear-gradient(120deg, #1f2a44 0%, #e8632c 120%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: 23px;
  margin: 28px 0 14px;
  color: #1f2a44;
  font-weight: 700;
  position: relative;
  padding-left: 16px;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 22px;
  border-radius: 4px;
  background: linear-gradient(180deg, #e8632c, #f0a06a);
}

h3 {
  font-size: 18px;
  margin: 22px 0 8px;
  color: #2b3a5c;
  font-weight: 700;
}

h4 {
  font-size: 16px;
  margin: 16px 0 6px;
  color: #2b3a5c;
}

p {
  margin-bottom: 12px;
  color: #33415c;
}

ol,
ul {
  margin-bottom: 12px;
}

.section > ol,
.section > ul {
  padding-left: 22px;
}

.section > ol li,
.section > ul li {
  margin-bottom: 6px;
  color: #33415c;
}

/* ---------- Banner / Carousel ---------- */
.banner {
  position: relative;
  margin: 20px 0 8px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(31, 42, 68, 0.18);
  isolation: isolate;
}

.slides {
  position: relative;
  min-height: 240px;
}

.slide {
  display: none;
  animation: fadeSlide 0.7s ease;
}

.slide.active {
  display: block;
}

.slide svg {
  width: 100%;
  height: auto;
  border-radius: 18px;
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: scale(1.02);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.slide-controls {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: flex;
  gap: 10px;
  z-index: 2;
}

.slide-controls button {
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.18);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: #fff;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.25s ease, transform 0.25s ease;
}

.slide-controls button:hover {
  background: rgba(232, 99, 44, 0.9);
  border-color: transparent;
  transform: translateY(-2px);
}

/* ---------- Stats ---------- */
.stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 26px 0;
}

.stat {
  flex: 1;
  min-width: 150px;
  background: rgba(255, 255, 255, 0.75);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  padding: 20px 16px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(31, 42, 68, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.stat:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(232, 99, 44, 0.18);
}

.stat strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: #e8632c;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat span {
  font-size: 14px;
  color: #5a6b8c;
}

/* ---------- News List ---------- */
.news-list {
  list-style: none;
  background: rgba(255, 255, 255, 0.7);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 8px 20px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 24px rgba(31, 42, 68, 0.06);
}

.news-list li {
  padding: 12px 0;
  border-bottom: 1px dashed #e3e7ef;
  font-size: 15px;
  transition: padding-left 0.3s ease, color 0.3s ease;
}

.news-list li:last-child {
  border-bottom: none;
}

.news-list li:hover {
  padding-left: 8px;
}

.news-list time {
  display: inline-block;
  color: #e8632c;
  font-weight: 600;
  margin-right: 8px;
  font-size: 14px;
}

/* ---------- Posts / Articles ---------- */
.post {
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 18px;
  box-shadow: 0 8px 24px rgba(31, 42, 68, 0.07);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.post:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(232, 99, 44, 0.16);
  border-color: rgba(232, 99, 44, 0.35);
}

.post h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.post h3 a {
  color: #1f2a44;
  transition: color 0.25s ease;
}

.post h3 a:hover {
  color: #e8632c;
  text-decoration: none;
}

.post p {
  font-size: 15px;
}

.post > a:last-child {
  display: inline-block;
  font-weight: 600;
  font-size: 14px;
  padding: 4px 0;
  position: relative;
}

.post > a:last-child::after {
  content: " →";
  transition: transform 0.25s ease;
  display: inline-block;
}

.post > a:last-child:hover::after {
  transform: translateX(4px);
}

.meta {
  font-size: 13px;
  color: #7a8aa8;
  margin-bottom: 10px;
}

/* ---------- FAQ / Details ---------- */
details {
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  padding: 14px 20px;
  margin-bottom: 12px;
  box-shadow: 0 6px 18px rgba(31, 42, 68, 0.06);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

details[open] {
  border-color: rgba(232, 99, 44, 0.35);
  box-shadow: 0 12px 28px rgba(232, 99, 44, 0.12);
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: #1f2a44;
  list-style: none;
  position: relative;
  padding-right: 28px;
  transition: color 0.25s ease;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: #e8632c;
  transition: transform 0.3s ease;
}

details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
}

summary:hover {
  color: #e8632c;
}

details p {
  margin-top: 12px;
  font-size: 15px;
  color: #33415c;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Blockquote ---------- */
blockquote {
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-left: 4px solid #e8632c;
  border-radius: 0 14px 14px 0;
  padding: 14px 20px;
  margin: 14px 0;
  color: #33415c;
  font-size: 15px;
  box-shadow: 0 6px 18px rgba(31, 42, 68, 0.06);
  transition: transform 0.3s ease;
}

blockquote:hover {
  transform: translateX(4px);
}

blockquote p {
  margin: 0;
}

/* ---------- Address / Contact ---------- */
address {
  font-style: normal;
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  padding: 22px 24px;
  box-shadow: 0 8px 24px rgba(31, 42, 68, 0.07);
}

address p {
  margin-bottom: 8px;
}

address p:last-child {
  margin-bottom: 0;
}

/* ---------- Sitemap / Links ---------- */
#sitemap ul,
#links ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px 16px;
}

#sitemap ul li,
#links ul li {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 10px;
  padding: 10px 16px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

#sitemap ul li:hover,
#links ul li:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(232, 99, 44, 0.14);
  border-color: rgba(232, 99, 44, 0.35);
}

#sitemap ul li a,
#links ul li a {
  display: block;
  font-size: 15px;
}

/* ---------- Footer ---------- */
footer {
  background: linear-gradient(160deg, #1f2a44 0%, #2b3a5c 100%);
  color: #c9d4e8;
  margin-top: 40px;
  padding: 32px 20px;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 99, 44, 0.3), transparent 70%);
  pointer-events: none;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 14px;
  position: relative;
  z-index: 1;
}

.footer-inner p {
  color: #c9d4e8;
  margin-bottom: 8px;
  line-height: 1.9;
}

.footer-inner p:first-child {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

footer a {
  color: #f0a06a;
}

footer a:hover {
  color: #ffd9c7;
}

/* ---------- Back to Top ---------- */
#back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 200;
  padding: 12px 18px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #e8632c, #f0844f);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(232, 99, 44, 0.4);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}

#back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

#back-to-top:hover {
  box-shadow: 0 14px 30px rgba(232, 99, 44, 0.55);
  transform: translateY(-2px);
}

/* ---------- Dark Mode ---------- */
body.dark {
  background: #0f1524;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(232, 99, 44, 0.12), transparent 42%),
    radial-gradient(circle at 88% 0%, rgba(80, 110, 180, 0.12), transparent 40%);
  color: #d6deee;
}

body.dark h1 {
  background: linear-gradient(120deg, #e8eefb 0%, #f0a06a 120%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.dark h2,
body.dark h3,
body.dark h4 {
  color: #e8eefb;
}

body.dark p,
body.dark .section > ol li,
body.dark .section > ul li,
body.dark details p,
body.dark blockquote {
  color: #b8c4dc;
}

body.dark .section {
  border-color: #24304a;
}

body.dark .breadcrumb ol,
body.dark .breadcrumb a {
  color: #8a9ab8;
}

body.dark .breadcrumb a:hover {
  color: #f0a06a;
}

body.dark .stat,
body.dark .post,
body.dark details,
body.dark blockquote,
body.dark address,
body.dark .news-list,
body.dark #sitemap ul li,
body.dark #links ul li {
  background: rgba(26, 34, 56, 0.82);
  border-color: rgba(60, 80, 120, 0.5);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

body.dark .post h3 a {
  color: #e8eefb;
}

body.dark .post h3 a:hover {
  color: #f0a06a;
}

body.dark .meta {
  color: #7a8aa8;
}

body.dark .news-list li {
  border-color: #24304a;
}

body.dark summary {
  color: #e8eefb;
}

body.dark .stat span {
  color: #8a9ab8;
}

body.dark footer {
  background: linear-gradient(160deg, #131a2c 0%, #1a2238 100%);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .main-nav a {
    padding: 5px 9px;
    font-size: 13px;
  }

  .site-search input {
    min-width: 140px;
  }
}

@media (max-width: 900px) {
  .header-inner {
    padding: 10px 16px;
    gap: 12px;
  }

  .main-nav {
    display: none;
    width: 100%;
    order: 4;
    background: rgba(26, 36, 58, 0.96);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-radius: 14px;
    padding: 6px;
    margin-top: 4px;
    animation: fadeIn 0.3s ease;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 2px;
  }

  .main-nav a {
    display: block;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
  }

  .main-nav a::after {
    display: none;
  }

  #menu-toggle {
    display: inline-block;
  }

  .header-actions {
    margin-left: 0;
    width: 100%;
    order: 5;
  }

  .site-search {
    flex: 1;
    min-width: 0;
  }

  .site-search input {
    flex: 1;
    min-width: 0;
    width: 100%;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  .section {
    padding: 30px 0;
  }

  .post {
    padding: 18px;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  main {
    padding: 0 14px;
  }

  .breadcrumb {
    padding: 12px 14px 0;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand svg {
    width: 34px;
    height: 34px;
  }

  .header-actions > button {
    padding: 7px 12px;
    font-size: 13px;
  }

  h1 {
    font-size: 21px;
  }

  h2 {
    font-size: 18px;
    padding-left: 13px;
  }

  h2::before {
    width: 4px;
    height: 18px;
  }

  .stats {
    gap: 10px;
  }

  .stat {
    min-width: calc(50% - 5px);
    padding: 16px 10px;
  }

  .stat strong {
    font-size: 24px;
  }

  .slide-controls {
    bottom: 10px;
    right: 10px;
    gap: 6px;
  }

  .slide-controls button {
    padding: 6px 12px;
    font-size: 13px;
  }

  .post {
    padding: 16px;
    border-radius: 14px;
  }

  details {
    padding: 12px 16px;
  }

  #sitemap ul,
  #links ul {
    grid-template-columns: 1fr;
  }

  #back-to-top {
    right: 14px;
    bottom: 14px;
    padding: 10px 15px;
    font-size: 13px;
  }

  footer {
    padding: 24px 14px;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .section {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Print ---------- */
@media print {
  #site-header,
  .header-actions,
  .slide-controls,
  #back-to-top,
  footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section {
    opacity: 1;
    transform: none;
    border-color: #ccc;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}
```