/* ==========================================================================
   横风动漫 · hengfengdm.cc
   渲染语言：卡片「顶厚边 + 右下切角」+ 硬偏离投影
   配色：孔雀青 / 珊瑚橘 / 明黄 · 薄荷雾白底
   ========================================================================== */

:root {
  --mint: #edf6f6;
  --mint-2: #e2f0f0;
  --card: #ffffff;
  --teal: #0f8a8c;
  --teal-d: #0a6668;
  --teal-l: #d6efef;
  --coral: #f2643c;
  --coral-d: #c2451f;
  --coral-l: #fdeadf;
  --yellow: #ffc93c;
  --ink: #1c2a30;
  --sub: #708690;
  --line: #dfeced;
  --wrap: 1176px;
  --r: 14px;
  --shadow: 0 6px 0 rgba(15, 138, 140, 0.13);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--mint);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC",
    "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.78;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--teal-d); text-decoration: none; }
a:hover { color: var(--coral-d); }

h1, h2, h3, h4 { margin: 0; line-height: 1.3; letter-spacing: 0.2px; }

p { margin: 0 0 14px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }

/* ---------------------------------- 头部 --------------------------------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(237, 246, 246, 0.94);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease;
}
.site-head.is-stuck { box-shadow: 0 6px 0 rgba(15, 138, 140, 0.10); }

.site-head__in {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 72px;
}

.brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand img { width: 44px; height: 44px; border-radius: 12px; }
.brand__name {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 1.5px;
}
.brand__name em {
  font-style: normal;
  color: var(--teal);
}

.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 9px 14px;
  border-radius: 10px 10px 0 10px;
  font-size: 15px;
  color: var(--ink);
  white-space: nowrap;
}
.nav a:hover { background: var(--teal-l); color: var(--teal-d); }
.nav a.is-on {
  background: var(--teal);
  color: #fff;
  font-weight: 700;
}

.head-cta { flex: 0 0 auto; }

/* ---------------------------------- 按钮 --------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 12px 12px 2px 12px;
  background: var(--teal);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border: 0;
  box-shadow: 0 5px 0 rgba(10, 102, 104, 0.35);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
  cursor: pointer;
}
.btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 7px 0 rgba(10, 102, 104, 0.35); }
.btn:active { transform: translateY(2px); box-shadow: 0 2px 0 rgba(10, 102, 104, 0.35); }

.btn--coral { background: var(--coral); box-shadow: 0 5px 0 rgba(194, 69, 31, 0.34); }
.btn--coral:hover { box-shadow: 0 7px 0 rgba(194, 69, 31, 0.34); }

.btn--ghost {
  background: transparent;
  color: var(--teal-d);
  box-shadow: inset 0 0 0 2px var(--teal);
}
.btn--ghost:hover { background: var(--teal-l); color: var(--teal-d); box-shadow: inset 0 0 0 2px var(--teal); }

.btn--sm { padding: 10px 18px; font-size: 15px; }

.btn__tri {
  width: 0; height: 0;
  border-left: 9px solid currentColor;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

/* ---------------------------------- Hero --------------------------------- */
.hero {
  position: relative;
  padding: 62px 0 74px;
  background: linear-gradient(135deg, #e3f3f3 0%, #edf6f6 52%, #fdf0ea 100%);
  border-bottom: 1px solid var(--line);
}

/* 右上角：同心圆弧线组（声波 / 更新脉冲） */
.hero::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 420px;
  height: 420px;
  background: repeating-radial-gradient(
    circle at 100% 0%,
    rgba(15, 138, 140, 0) 0 34px,
    rgba(15, 138, 140, 0.13) 34px 36px
  );
  pointer-events: none;
}

/* 左下角：斜向细密条纹带（风痕）——宽度收到 40%，不渗到正文背后 */
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40%;
  height: 54px;
  background: repeating-linear-gradient(
    118deg,
    rgba(242, 100, 60, 0.17) 0 3px,
    rgba(242, 100, 60, 0) 3px 13px
  );
  pointer-events: none;
}

.hero__in {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 52px;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px;
  border-radius: 999px;
  background: #fff;
  box-shadow: inset 0 0 0 2px var(--teal-l);
  color: var(--teal-d);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.6px;
}
.kicker::before {
  content: "";
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 3px rgba(255, 201, 60, 0.28);
}

.hero h1 {
  margin: 20px 0 0;
  font-size: 52px;
  font-weight: 800;
  letter-spacing: 2px;
}
.hero h1 em { font-style: normal; color: var(--teal); }

.hero-lead {
  margin: 18px 0 0;
  max-width: 560px;
  font-size: 17px;
  color: #3c525a;
}

.hero__cta { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 14px; }

.hero__meta {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  padding: 0;
  list-style: none;
}
.hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 14px;
  color: #3c525a;
}
.hero__meta li::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

/* 手机外框 */
.hero__shot { margin: 0; display: flex; justify-content: center; }
.phone {
  width: 100%;
  max-width: 320px;
  padding: 11px;
  background: var(--ink);
  border-radius: 40px;
  box-shadow: 0 9px 0 rgba(15, 138, 140, 0.18), 0 26px 48px rgba(16, 64, 68, 0.20);
}
.phone img { width: 100%; height: auto; border-radius: 30px; }

/* ------------------------------ 追番进度轨道 ------------------------------ */
.rail-sec { padding: 58px 0 10px; }

.rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 28px;
  border-top: 3px solid var(--teal-l);
}
.rail__stop {
  position: relative;
  padding: 34px 22px 0 0;
}
.rail__stop::before {
  content: "";
  position: absolute;
  left: 0;
  top: -11px;
  width: 19px;
  height: 19px;
  border-radius: 6px 6px 0 6px;
  background: var(--teal);
}
.rail__stop:nth-child(2)::before { background: var(--coral); }
.rail__stop:nth-child(3)::before { background: var(--yellow); }
.rail__stop:nth-child(4)::before { background: var(--teal-d); }
.rail__tag {
  display: block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--teal);
  text-transform: uppercase;
}
.rail__stop h3 { margin: 8px 0 8px; font-size: 20px; }
.rail__stop p { margin: 0; font-size: 15px; color: var(--sub); }

/* ------------------------------ 通用区块 / 卡片 --------------------------- */
.sec { padding: 58px 0; }
.sec--tint { background: var(--mint-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.sec-head { max-width: 720px; }
.sec-head h2 { font-size: 34px; font-weight: 800; }
.sec-head p { margin: 12px 0 0; color: var(--sub); font-size: 16px; }

.grid { display: grid; gap: 22px; margin-top: 32px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card);
  border-top: 5px solid var(--teal);
  border-radius: var(--r) var(--r) 0 var(--r);
  box-shadow: var(--shadow);
  padding: 26px 24px 24px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { margin: 0; font-size: 15px; color: var(--sub); }
.card--coral { border-top-color: var(--coral); box-shadow: 0 6px 0 rgba(242, 100, 60, 0.15); }
.card--yellow { border-top-color: var(--yellow); box-shadow: 0 6px 0 rgba(255, 201, 60, 0.28); }
.card--deep { border-top-color: var(--teal-d); }

.card__no {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  border-radius: 7px;
  background: var(--teal-l);
  color: var(--teal-d);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
}
.card--coral .card__no { background: var(--coral-l); color: var(--coral-d); }

.card ul { margin: 12px 0 0; padding-left: 18px; font-size: 15px; color: var(--sub); }
.card ul li { margin: 5px 0; }

/* --------------------------------- 预览图 -------------------------------- */
.shots {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 34px;
}
/* 真机图（9:16）与自绘图（1:2）比例不同：让图框等高、图在框内垂直居中，底部图注自然对齐 */
.shot { margin: 0; display: flex; flex-direction: column; }
.shot__f {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  padding: 8px;
  background: #fff;
  border-radius: 26px 26px 6px 26px;
  box-shadow: 0 4px 0 rgba(15, 138, 140, 0.14), inset 0 0 0 2px var(--teal-l);
}
.shot img { width: 100%; height: auto; border-radius: 19px; }
.shot figcaption {
  margin-top: 12px;
  min-height: 50px;
  font-size: 14px;
  color: var(--sub);
  text-align: center;
}
.shot figcaption b { display: block; color: var(--ink); font-size: 15px; }

/* 内页正文里的单张插图 */
.figure-inline { max-width: 300px; margin: 28px 0 12px; }
.figure-inline .shot__f { padding: 9px; border-radius: 30px 30px 8px 30px; }
.figure-inline figcaption { text-align: left; min-height: 0; }

/* ------------------------------ 内页入口卡 ------------------------------- */
.entry {
  display: block;
  background: var(--card);
  border-radius: var(--r) var(--r) 0 var(--r);
  border-left: 5px solid var(--teal);
  box-shadow: var(--shadow);
  padding: 24px 24px 22px;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.entry:hover { transform: translateY(-3px); box-shadow: 0 9px 0 rgba(15, 138, 140, 0.18); }
.entry b { display: block; font-size: 19px; color: var(--ink); margin-bottom: 8px; }
.entry span { font-size: 15px; color: var(--sub); }
.entry i {
  display: inline-block;
  margin-top: 14px;
  font-style: normal;
  font-size: 14px;
  font-weight: 700;
  color: var(--teal);
}

/* --------------------------------- 用户评价 ------------------------------ */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 32px; }
.quote {
  background: var(--card);
  border-radius: var(--r) var(--r) 0 var(--r);
  border-top: 5px solid var(--yellow);
  box-shadow: 0 6px 0 rgba(255, 201, 60, 0.26);
  padding: 24px;
}
.quote p { font-size: 15px; color: #3c525a; }
.quote__by { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
.quote__av {
  width: 36px; height: 36px;
  border-radius: 10px 10px 2px 10px;
  background: var(--teal);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.quote__by b { font-size: 15px; }
.quote__by span { font-size: 13px; color: var(--sub); }

/* ---------------------------------- FAQ ---------------------------------- */
.faq { margin-top: 30px; }
.faq details {
  background: var(--card);
  border-radius: 12px 12px 0 12px;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  padding: 18px 52px 18px 22px;
  font-size: 17px;
  font-weight: 700;
  position: relative;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--teal);
}
.faq details[open] summary::after { content: "\2013"; }
.faq details[open] summary { color: var(--teal-d); }
.faq .faq__a { padding: 0 22px 20px; }
.faq .faq__a p { font-size: 15px; color: var(--sub); margin: 0; }

/* --------------------------------- 下载条 -------------------------------- */
.band {
  background: linear-gradient(120deg, #0f8a8c 0%, #12a0a2 46%, #f2643c 100%);
  color: #fff;
  padding: 52px 0;
}
.band__in {
  display: flex;
  align-items: center;
  gap: 34px;
  flex-wrap: wrap;
}
.band h2 { font-size: 30px; color: #fff; }
.band p { margin: 10px 0 0; color: rgba(255, 255, 255, 0.88); font-size: 16px; max-width: 620px; }
.band .btn { flex: 0 0 auto; margin-left: auto; background: #fff; color: var(--teal-d); box-shadow: 0 5px 0 rgba(0, 0, 0, 0.18); }
.band .btn:hover { color: var(--teal-d); box-shadow: 0 7px 0 rgba(0, 0, 0, 0.18); }

/* ---------------------------------- 内页 --------------------------------- */
.page-hero {
  position: relative;
  padding: 50px 0 46px;
  background: linear-gradient(135deg, #e3f3f3 0%, #edf6f6 58%, #fdf0ea 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 300px;
  height: 300px;
  background: repeating-radial-gradient(
    circle at 100% 0%,
    rgba(15, 138, 140, 0) 0 30px,
    rgba(15, 138, 140, 0.12) 30px 32px
  );
  pointer-events: none;
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { margin: 16px 0 0; font-size: 40px; font-weight: 800; }
.page-hero .hero-lead { max-width: 780px; }

.crumb { font-size: 14px; color: var(--sub); }
.crumb a { color: var(--teal); }

.prose { padding: 54px 0; }
.prose h2 { font-size: 28px; margin: 44px 0 14px; padding-left: 16px; border-left: 5px solid var(--teal); }
.prose h2:first-of-type { margin-top: 0; }
.prose h3 { font-size: 20px; margin: 26px 0 10px; color: var(--teal-d); }
.prose p { font-size: 16px; color: #33484f; }
.prose ul { padding-left: 20px; color: #33484f; }
.prose li { margin: 7px 0; }

.steps { margin-top: 28px; display: grid; gap: 18px; }
.step {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 20px;
  background: var(--card);
  border-radius: var(--r) var(--r) 0 var(--r);
  border-top: 5px solid var(--teal);
  box-shadow: var(--shadow);
  padding: 24px 26px 22px;
}
.step__n {
  font-size: 30px;
  font-weight: 800;
  color: var(--teal-l);
  line-height: 1;
  padding-top: 4px;
}
.step h3 { margin: 0 0 8px; font-size: 20px; color: var(--ink); }
.step p { margin: 0 0 8px; font-size: 15px; color: var(--sub); }
.step p:last-child { margin-bottom: 0; }

.notebox {
  margin-top: 26px;
  padding: 22px 24px;
  background: var(--coral-l);
  border-left: 5px solid var(--coral);
  border-radius: 0 14px 0 14px;
  font-size: 15px;
  color: #6b3320;
}
.notebox b { color: var(--coral-d); }

.table { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 15px; background: #fff; }
.table th, .table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.table th { background: var(--teal-l); color: var(--teal-d); font-size: 14px; letter-spacing: 0.5px; }
.table tr:last-child td { border-bottom: 0; }

/* ---------------------------------- 页脚 --------------------------------- */
.site-foot { background: #12262b; color: #a9c0c6; padding: 52px 0 26px; }
.site-foot a { color: #cfe6e8; }
.site-foot a:hover { color: var(--yellow); }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; }
.foot-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.foot-brand img { width: 38px; height: 38px; border-radius: 10px; }
.foot-brand b { color: #fff; font-size: 19px; letter-spacing: 1.4px; }
.site-foot h4 { color: #fff; font-size: 15px; margin-bottom: 12px; letter-spacing: 0.6px; }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin: 8px 0; font-size: 14px; }
.site-foot p { font-size: 14px; margin: 0 0 10px; }
.foot-note {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
  line-height: 1.9;
  color: #8ba7ae;
}
.foot-note .disclaimer { color: #d7e6e9; }

/* ---------------------------------- 动效 --------------------------------- */
@keyframes sway {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(-1.1deg); }
}
.sway { animation: sway 4.6s ease-in-out infinite; }
.sway.d1 { animation-delay: 0.5s; }
.sway.d2 { animation-delay: 1.1s; }
.sway.d3 { animation-delay: 1.6s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
.rise { animation: rise 0.6s cubic-bezier(0.2, 0.7, 0.3, 1) both; }
.rise.d1 { animation-delay: 0.10s; }
.rise.d2 { animation-delay: 0.20s; }
.rise.d3 { animation-delay: 0.30s; }
.rise.d4 { animation-delay: 0.40s; }

@media (prefers-reduced-motion: reduce) {
  .sway, .rise { animation: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* -------------------------------- 响应式 --------------------------------- */
@media (max-width: 980px) {
  .hero { padding: 44px 0 54px; }
  .hero__in { grid-template-columns: 1fr; gap: 38px; }
  .hero h1 { font-size: 40px; }
  .hero__shot { justify-content: flex-start; }
  .rail { grid-template-columns: repeat(2, 1fr); }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .shots { grid-template-columns: repeat(3, 1fr); }
  .quotes { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .band .btn { margin-left: 0; }
  .nav { gap: 0; }
  .nav a { padding: 8px 10px; font-size: 14px; }
  .hero::after { width: 62%; }
  .page-hero h1 { font-size: 32px; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .wrap { padding: 0 16px; }
  .site-head__in { min-height: 62px; gap: 10px; }
  .brand img { width: 36px; height: 36px; }
  .brand__name { font-size: 18px; letter-spacing: 0.8px; }
  .nav { display: none; }
  .head-cta { margin-left: auto; }
  .hero { padding: 34px 0 44px; }
  .hero h1 { font-size: 31px; letter-spacing: 1px; }
  .hero-lead { font-size: 15px; }
  .hero__in { gap: 30px; }
  .phone { max-width: 268px; }
  .hero::after { width: 78%; height: 42px; }
  .section, .sec { padding: 42px 0; }
  .sec-head h2, .prose h2 { font-size: 25px; }
  .page-hero { padding: 34px 0 32px; }
  .page-hero h1 { font-size: 27px; }
  .rail { grid-template-columns: 1fr; }
  .rail__stop { padding: 28px 0 0; }
  .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; }
  .shots { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .foot-grid { grid-template-columns: 1fr; gap: 24px; }
  .step { grid-template-columns: 1fr; gap: 6px; padding: 20px; }
  .step__n { font-size: 24px; }
  .band h2 { font-size: 24px; }
  .band__in { gap: 20px; }
  .table th, .table td { padding: 11px 12px; font-size: 14px; }
}