/* ==========================================================================
   极速云 (jisu-yun.homes) - 新粗野主义风格样式表 (Neo-Brutalism Theme)
   Bulma 1.x + 自定义覆盖
   配色：纸色 #F4F1E8、墨黑 #111111、荧光柠檬绿 #D6F224
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Noto+Sans+SC:wght@400;700;900&display=swap');

:root {
  --bg-paper: #F4F1E8;
  --color-black: #111111;
  --accent-lemon: #D6F224;
  --accent-cyan: #38bdf8;
  --accent-pink: #f43f5e;
  --border-width: 3px;
  --border-color: #111111;
  --shadow-hard: 8px 8px 0 #111111;
  --shadow-hover: 12px 12px 0 #111111;
  --font-anton: 'Anton', -apple-system, sans-serif;
  --font-sans: 'Noto Sans SC', -apple-system, sans-serif;
}

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

body {
  background-color: var(--bg-paper) !important;
  color: var(--color-black) !important;
  font-family: var(--font-sans) !important;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 黑色跑马灯横条 */
.marquee-bar {
  background-color: var(--color-black);
  color: var(--accent-lemon);
  padding: 12px 0;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-anton);
  font-size: 1.15rem;
  letter-spacing: 0.1em;
  border-bottom: var(--border-width) solid var(--color-black);
}

.marquee-content {
  display: inline-block;
  animation: marquee 24s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

/* 导航栏 */
.header-nav {
  background-color: var(--bg-paper);
  border-bottom: var(--border-width) solid var(--color-black);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-black);
}

.brand-badge {
  background-color: var(--color-black);
  color: var(--accent-lemon);
  font-family: var(--font-anton);
  font-size: 1.25rem;
  padding: 4px 10px;
  border: var(--border-width) solid var(--color-black);
  box-shadow: 4px 4px 0 var(--color-black);
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1rem;
  margin: 0;
  padding: 0;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--color-black);
  text-decoration: none;
  font-weight: 900;
  font-size: 0.95rem;
  padding: 6px 12px;
  transition: all 0.15s ease;
}

.nav-links a:hover {
  background-color: var(--accent-lemon);
  outline: 2px solid var(--color-black);
}

/* 粗野主义按钮通用规范 */
.brutal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  padding: 14px 28px;
  background-color: var(--accent-lemon);
  color: var(--color-black);
  border: var(--border-width) solid var(--color-black);
  box-shadow: var(--shadow-hard);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.brutal-btn:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hover);
  background-color: #e5ff24;
}

.brutal-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 4px 4px 0 var(--color-black);
}

.brutal-btn-white {
  background-color: #FFFFFF;
}
.brutal-btn-white:hover {
  background-color: #F8F8F8;
}

.brutal-btn-dark {
  background-color: var(--color-black);
  color: var(--accent-lemon);
}
.brutal-btn-dark:hover {
  background-color: #222222;
  color: #FFFFFF;
}

/* Hero 主视觉区 */
.hero-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 3.5rem;
  position: relative;
}

.hero-tag {
  display: inline-block;
  background-color: var(--color-black);
  color: var(--accent-lemon);
  font-weight: 900;
  font-size: 0.95rem;
  padding: 6px 14px;
  margin-bottom: 1.5rem;
  border: var(--border-width) solid var(--color-black);
}

.hero-title {
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.hero-sub.hollow-text {
  font-family: var(--font-anton);
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  line-height: 1;
  letter-spacing: 0.05em;
  color: transparent;
  -webkit-text-stroke: 3px var(--color-black);
  margin-bottom: 1.5rem;
}

.hero-intro {
  font-size: 1.2rem;
  line-height: 1.85;
  color: #333333;
  max-width: 820px;
  margin-bottom: 2.5rem;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
  position: relative;
}

.rotating-sticker {
  display: inline-block;
  background-color: var(--accent-pink);
  color: #FFFFFF;
  font-weight: 900;
  font-size: 0.85rem;
  padding: 10px 16px;
  border: var(--border-width) solid var(--color-black);
  box-shadow: 4px 4px 0 var(--color-black);
  transform: rotate(-6deg);
  animation: sticker-wobble 4s ease-in-out infinite alternate;
}

@keyframes sticker-wobble {
  0% { transform: rotate(-8deg); }
  100% { transform: rotate(4deg); }
}

/* 通用区段标题与线框盒 */
.section-head {
  margin-bottom: 2.5rem;
}

.section-label {
  font-family: var(--font-anton);
  font-size: 1rem;
  color: var(--color-black);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.brutal-box {
  background-color: #FFFFFF;
  border: var(--border-width) solid var(--color-black);
  box-shadow: var(--shadow-hard);
  padding: 2.5rem;
}

/* 6 大功能单元格 (悬停反色为黑底配柠檬绿) */
.features-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-cell {
  background-color: #FFFFFF;
  border: var(--border-width) solid var(--color-black);
  box-shadow: var(--shadow-hard);
  padding: 2.2rem;
  transition: all 0.2s ease;
  position: relative;
}

.feature-cell:hover {
  background-color: var(--color-black);
  color: #FFFFFF;
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hover);
}

.feature-cell:hover h3 {
  color: var(--accent-lemon);
}

.feature-cell:hover .feature-num {
  color: var(--accent-lemon);
  -webkit-text-stroke: 2px var(--accent-lemon);
}

.feature-cell:hover .feature-desc {
  color: #E2E8F0;
}

.feature-num {
  font-family: var(--font-anton);
  font-size: 3.2rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 3px var(--color-black);
  margin-bottom: 1rem;
  transition: all 0.2s ease;
}

.feature-cell h3 {
  font-size: 1.45rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
  transition: color 0.2s ease;
}

.feature-desc {
  font-size: 0.98rem;
  line-height: 1.7;
  color: #444444;
  transition: color 0.2s ease;
}

/* 流媒体与 AI 支持 */
.media-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.media-tags {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.media-tag-item {
  background-color: var(--bg-paper);
  border: 2px solid var(--color-black);
  padding: 6px 14px;
  font-weight: 800;
  font-size: 0.9rem;
}

/* 三步开冲流程 */
.steps-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.step-card {
  background-color: #FFFFFF;
  border: var(--border-width) solid var(--color-black);
  box-shadow: var(--shadow-hard);
  padding: 2.2rem;
}

.step-huge-num {
  font-family: var(--font-anton);
  font-size: 4rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 3px var(--color-black);
  margin-bottom: 1rem;
}

/* 定价表 (带框三张定价卡，中间柠檬绿底并贴旋转贴纸) */
.pricing-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background-color: #FFFFFF;
  border: var(--border-width) solid var(--color-black);
  box-shadow: var(--shadow-hard);
  padding: 2.8rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.pricing-card.popular {
  background-color: var(--accent-lemon);
  transform: scale(1.03);
  z-index: 2;
  box-shadow: var(--shadow-hover);
}

.popular-badge {
  position: absolute;
  top: -18px;
  right: 20px;
  background-color: var(--color-black);
  color: var(--accent-lemon);
  font-weight: 900;
  font-size: 0.9rem;
  padding: 6px 14px;
  border: var(--border-width) solid var(--color-black);
  transform: rotate(5deg);
  box-shadow: 4px 4px 0 var(--color-black);
}

.pricing-tier {
  font-size: 1.45rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-family: var(--font-anton);
  font-size: 3.4rem;
  line-height: 1;
  margin-bottom: 1.25rem;
}

.pricing-price span {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 900;
}

.pricing-features {
  list-style: none;
  margin: 1.8rem 0;
  padding: 0;
}

.pricing-features li {
  padding: 0.6rem 0;
  border-bottom: 1px dashed rgba(0,0,0,0.2);
  font-weight: 700;
  font-size: 0.95rem;
}

/* 用户评价 */
.reviews-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.review-stars {
  font-weight: 900;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--color-black);
}

.review-author {
  font-weight: 900;
  font-size: 0.9rem;
  margin-top: 1.2rem;
}

/* FAQ 折叠 */
.faq-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.faq-item {
  background-color: #FFFFFF;
  border: var(--border-width) solid var(--color-black);
  box-shadow: var(--shadow-hard);
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  transition: all 0.15s ease;
}

.faq-item summary {
  font-size: 1.2rem;
  font-weight: 900;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-family: var(--font-anton);
  font-size: 1.8rem;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-content {
  margin-top: 1rem;
  font-size: 1.02rem;
  line-height: 1.8;
  color: #333333;
}

/* 通栏粗体柠檬绿 CTA 色块 */
.cta-banner {
  background-color: var(--accent-lemon);
  border-top: var(--border-width) solid var(--color-black);
  border-bottom: var(--border-width) solid var(--color-black);
  padding: 5rem 1.5rem;
  text-align: center;
}

.cta-banner-inner {
  max-width: 860px;
  margin: 0 auto;
}

.cta-banner h2 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.2rem;
}

.cta-banner p {
  font-size: 1.2rem;
  line-height: 1.7;
  font-weight: 700;
  margin-bottom: 2.5rem;
}

/* 黑色页脚 */
.brutal-footer {
  background-color: var(--color-black);
  color: #FFFFFF;
  padding: 4.5rem 1.5rem 3rem;
  border-top: var(--border-width) solid var(--color-black);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--accent-lemon);
  text-decoration: none;
  font-weight: 900;
  font-size: 1.05rem;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.footer-copy {
  font-size: 0.9rem;
  color: #888888;
  border-top: 1px solid #333333;
  padding-top: 1.5rem;
}

/* 移动端媒体查询适配 */
@media (max-width: 992px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.popular { transform: none; }
  .steps-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: 1fr; }
  .nav-container { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .brutal-btn { width: 100%; text-align: center; }
}