/* ==========================================================================
   老黄历 · 产品介绍页
   朱砂 / 宣纸 / 鎏金三色，衬线为主，卡片克制
   ========================================================================== */

@font-face {
  font-family: "LogoCalligraphy";
  src: url("../fonts/LogoCalligraphy.ttf") format("truetype");
  font-display: swap;
}

:root {
  --crimson: #9c1418;
  --crimson-light: #b7191f;
  --crimson-deep: #64090d;
  --ink: #16100d;
  --ink-2: #221814;
  --paper: #f6eedf;
  --paper-2: #efe2cd;
  --paper-3: #e4d4b8;
  --gold: #c9a257;
  --gold-light: #e9d3a0;
  --gold-deep: #8a6a2f;
  --text: #241a14;
  --text-soft: #5d4d3f;
  --text-dark-soft: #bba992;
  --serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong",
    "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui,
    -apple-system, sans-serif;
  --wrap: 1200px;
  --gutter: clamp(20px, 5vw, 56px);
  --header: 72px;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: 0.02em;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 18px;
  background: var(--paper);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: none;
}

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

.wordmark {
  font-family: "LogoCalligraphy", var(--serif);
  font-weight: 400;
  letter-spacing: 0.06em;
}

/* ==========================================================================
   顶栏
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header);
  color: var(--paper);
  background: linear-gradient(180deg, rgba(18, 12, 9, 0.9), rgba(18, 12, 9, 0));
  transition: background 0.35s ease, border-color 0.35s ease,
    backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(18, 12, 9, 0.94);
  border-bottom-color: rgba(201, 162, 87, 0.22);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: clamp(16px, 4vw, 48px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.brand__mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(233, 211, 160, 0.55);
}

.brand__name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  margin-left: auto;
}

.nav a {
  position: relative;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: rgba(246, 238, 223, 0.78);
  padding: 6px 0;
  transition: color 0.25s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--gold-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav a:hover {
  color: var(--paper);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.site-header .btn {
  flex: none;
}

/* ==========================================================================
   按钮
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 32px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.28s ease, background 0.28s ease, border-color 0.28s ease;
}

.btn--gold {
  background: linear-gradient(180deg, #eed9a6 0%, #cfaa61 55%, #bd9548 100%);
  color: #38220a;
  box-shadow: 0 12px 28px rgba(60, 32, 6, 0.28);
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(60, 32, 6, 0.34);
}

.btn--ghost {
  border-color: rgba(246, 238, 223, 0.42);
  color: var(--paper);
}

.btn--ghost:hover {
  border-color: var(--gold-light);
  background: rgba(246, 238, 223, 0.06);
  transform: translateY(-2px);
}

.btn--small {
  height: 40px;
  padding: 0 20px;
  font-size: 13px;
  letter-spacing: 0.12em;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header) + clamp(40px, 7vh, 90px)) 0
    clamp(60px, 9vh, 120px);
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(900px 620px at 76% 38%, #b81a20 0%, rgba(156, 20, 24, 0.75) 42%, rgba(110, 10, 14, 0) 72%),
    radial-gradient(700px 500px at 12% 88%, rgba(233, 211, 160, 0.1), rgba(233, 211, 160, 0) 70%),
    linear-gradient(160deg, #8e1116 0%, #750d12 48%, #56070b 100%);
}

.hero__grain {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.6'/></svg>");
}

.hero__halo {
  position: absolute;
  top: 50%;
  right: clamp(-120px, 2vw, 60px);
  width: min(720px, 78vw);
  aspect-ratio: 1;
  transform: translateY(-50%);
  pointer-events: none;
}

.hero__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(233, 211, 160, 0.28);
}

.hero__ring--inner {
  inset: 9%;
  border-style: dashed;
  border-color: rgba(233, 211, 160, 0.16);
  animation: slow-spin 120s linear infinite;
}

@keyframes slow-spin {
  to {
    transform: rotate(360deg);
  }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--gold-light);
}

.eyebrow__mark {
  width: 26px;
  height: 1px;
  background: var(--gold-light);
  opacity: 0.8;
}

.hero__title {
  margin: clamp(18px, 3vh, 32px) 0 clamp(16px, 2.6vh, 26px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero__title .wordmark {
  font-size: clamp(72px, 11vw, 156px);
  line-height: 0.98;
  color: var(--paper);
  text-shadow: 0 18px 40px rgba(30, 8, 4, 0.45);
}

.hero__motto {
  font-family: var(--serif);
  font-size: clamp(17px, 1.8vw, 24px);
  font-weight: 400;
  letter-spacing: 0.42em;
  color: var(--gold-light);
}

.hero__lead {
  max-width: 30em;
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.95;
  color: rgba(246, 238, 223, 0.82);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(26px, 4vh, 40px);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin-top: clamp(28px, 5vh, 52px);
  padding-top: 18px;
  border-top: 1px solid rgba(233, 211, 160, 0.22);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: rgba(246, 238, 223, 0.62);
}

.hero__visual {
  position: relative;
  margin: 0;
  justify-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__visual .phone {
  transform: rotate(-2deg);
}

.hero__caption {
  margin-top: 22px;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: rgba(246, 238, 223, 0.58);
}

.hero__side {
  position: absolute;
  top: 8%;
  right: -34px;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.5em;
  color: rgba(233, 211, 160, 0.55);
}

.hero__edge {
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(233, 211, 160, 0.5),
    transparent
  );
}

/* Hero 入场 */
.hero__copy > * {
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero__copy > :nth-child(1) { animation-delay: 0.05s; }
.hero__copy > :nth-child(2) { animation-delay: 0.14s; }
.hero__copy > :nth-child(3) { animation-delay: 0.24s; }
.hero__copy > :nth-child(4) { animation-delay: 0.34s; }
.hero__copy > :nth-child(5) { animation-delay: 0.44s; }

.hero__visual {
  animation: rise 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.25s both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   通用区块
   ========================================================================== */

.section {
  padding: clamp(80px, 10vw, 148px) 0;
  scroll-margin-top: var(--header);
  position: relative;
}

.section--paper {
  background: var(--paper);
}

.section--deep {
  background: var(--paper-2);
}

.section--deep::before,
.section--paper::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(138, 106, 47, 0.28),
    transparent
  );
}

.section--ink {
  background: var(--ink);
  color: var(--paper);
}

.section--ink::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(201, 162, 87, 0.3),
    transparent
  );
}

.section__label {
  font-size: 12.5px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  margin-bottom: 18px;
}

.section--ink .section__label {
  color: var(--gold);
}

.section__title {
  font-size: clamp(30px, 3.6vw, 50px);
  line-height: 1.32;
}

.section__lead {
  margin-top: 20px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.95;
  color: var(--text-soft);
}

.section--ink .section__lead {
  color: var(--text-dark-soft);
}

.section__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(48px, 6vw, 76px);
}

.section__head .section__lead {
  margin-left: auto;
  margin-right: auto;
}

.section__head--left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.section__head--left .section__lead {
  margin-left: 0;
}

.note {
  margin-top: 24px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  opacity: 0.75;
}

.note--center {
  text-align: center;
  margin-top: clamp(34px, 4vw, 52px);
}

/* ==========================================================================
   左右分栏
   ========================================================================== */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(40px, 7vw, 108px);
}

.copy {
  min-width: 0;
}

.media {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.media figcaption,
.gallery figcaption {
  margin-top: 22px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--text-soft);
  text-align: center;
}

.section--ink .media figcaption {
  color: var(--text-dark-soft);
}

.media--right {
  justify-self: end;
}

/* ==========================================================================
   手机模型
   ========================================================================== */

/* 视差位移：translate 属性与 transform 的旋转互不覆盖 */
[data-parallax] {
  translate: 0 var(--py, 0px);
}

.phone {
  position: relative;
  width: min(300px, 70vw);
  max-width: 100%;
  padding: 7px;
  border-radius: 42px;
  background: linear-gradient(160deg, #33231c 0%, #17100d 52%, #090605 100%);
  box-shadow: 0 40px 80px rgba(28, 10, 6, 0.34),
    inset 0 0 0 1px rgba(201, 162, 87, 0.35);
  will-change: transform;
}

.phone__screen {
  position: relative;
  overflow: hidden;
  border-radius: 35px;
  aspect-ratio: 390 / 750;
  background: #100b09;
}

.phone__screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone--hero {
  width: min(318px, 74vw);
}

.phone--small {
  width: min(206px, 44vw);
  border-radius: 32px;
  padding: 6px;
}

.phone--small .phone__screen {
  border-radius: 27px;
}

/* ==========================================================================
   要点列表
   ========================================================================== */

.points {
  margin-top: clamp(28px, 4vw, 42px);
  display: grid;
  gap: 26px;
}

.points li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid rgba(138, 106, 47, 0.24);
}

.points__num {
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  padding-top: 4px;
}

.points h3 {
  font-size: clamp(19px, 1.6vw, 22px);
  margin-bottom: 8px;
}

.points p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.section--ink .points li {
  border-top-color: rgba(201, 162, 87, 0.24);
}

.section--ink .points__num {
  color: var(--gold);
}

.section--ink .points p {
  color: var(--text-dark-soft);
}

/* ==========================================================================
   标签行
   ========================================================================== */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin-top: clamp(26px, 3vw, 38px);
}

.tags li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  color: var(--text-soft);
}

.tags li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--gold-deep);
}

.section--ink .tags li {
  color: var(--text-dark-soft);
}

.section--ink .tags li::before {
  background: var(--gold);
}

/* ==========================================================================
   命理排盘
   ========================================================================== */

.charts {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
}

.charts__list {
  display: grid;
}

.charts__row {
  display: grid;
  grid-template-columns: 46px minmax(0, 220px) minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-top: 1px solid rgba(201, 162, 87, 0.22);
}

.charts__row:last-child {
  border-bottom: 1px solid rgba(201, 162, 87, 0.22);
}

.charts__num {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.charts__row h3 {
  font-size: clamp(20px, 1.8vw, 24px);
  color: var(--paper);
}

.charts__row p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-dark-soft);
}

.charts__media {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.charts__media .phone {
  position: absolute;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.phone--back {
  left: 2%;
  top: 6%;
  width: min(238px, 52vw);
  transform: rotate(-7deg);
  opacity: 0.92;
  z-index: 1;
}

.phone--front {
  right: 3%;
  bottom: 0;
  width: min(268px, 58vw);
  transform: rotate(3deg);
  z-index: 2;
}

.charts__media:hover .phone--back {
  transform: rotate(-8.5deg) translateY(-6px);
}

.charts__media:hover .phone--front {
  transform: rotate(4deg) translateY(-10px);
}

/* ==========================================================================
   功能索引
   ========================================================================== */

.index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(28px, 5vw, 72px);
  margin-top: clamp(40px, 5vw, 64px);
}

.index__item {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  gap: 18px;
  align-items: baseline;
  padding: 22px 0;
  border-top: 1px solid rgba(138, 106, 47, 0.24);
}

.index__item h3 {
  font-size: clamp(18px, 1.5vw, 21px);
}

.index__item p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ==========================================================================
   截图长廊
   ========================================================================== */

.gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 38px);
  margin-top: clamp(56px, 7vw, 92px);
  align-items: start;
}

.gallery__item {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gallery__item:nth-child(even) {
  padding-top: clamp(16px, 3vw, 44px);
}

/* ==========================================================================
   会员
   ========================================================================== */

.plans {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(138, 106, 47, 0.3);
  border-bottom: 1px solid rgba(138, 106, 47, 0.3);
  margin-top: clamp(34px, 4vw, 48px);
}

.plan {
  padding: clamp(34px, 5vw, 58px) clamp(10px, 4vw, 52px);
}

.plan + .plan {
  border-left: 1px solid rgba(138, 106, 47, 0.3);
}

.plan__period {
  font-size: 12.5px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
}

.plan__price {
  margin: 14px 0 10px;
  font-family: var(--serif);
  font-size: clamp(64px, 7.4vw, 104px);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--text);
}

.plan__currency {
  font-size: 0.34em;
  vertical-align: 0.9em;
  margin-right: 6px;
  color: var(--gold-deep);
}

.plan--vip .plan__price {
  color: var(--crimson);
}

.plan__desc {
  font-size: 15.5px;
  color: var(--text-soft);
}

.plan__list {
  margin-top: 22px;
  display: grid;
  gap: 8px;
}

.plan__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--text-soft);
}

.plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--gold-deep);
}

/* ==========================================================================
   全平台
   ========================================================================== */

.desktop-frame {
  width: 100%;
  padding: 8px;
  border: 1px solid rgba(201, 162, 87, 0.35);
  border-radius: 4px;
  background: rgba(246, 238, 223, 0.03);
  box-shadow: 0 34px 70px rgba(0, 0, 0, 0.34);
}

.desktop-frame img {
  width: 100%;
  border-radius: 2px;
}

.media--wide {
  align-items: stretch;
}

.facts {
  margin-top: clamp(28px, 3.5vw, 42px);
  display: grid;
  gap: 22px;
}

.facts li {
  padding-top: 20px;
  border-top: 1px solid rgba(201, 162, 87, 0.22);
}

.facts h3 {
  font-size: 19px;
  margin-bottom: 6px;
  color: var(--paper);
}

.facts p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-dark-soft);
}

/* ==========================================================================
   结尾
   ========================================================================== */

.closing {
  position: relative;
  padding: clamp(76px, 9vw, 130px) 0;
  text-align: center;
  color: var(--paper);
  background:
    radial-gradient(700px 420px at 50% 20%, rgba(233, 211, 160, 0.14), rgba(233, 211, 160, 0) 70%),
    linear-gradient(160deg, #8e1116, #5b080c);
}

.closing__mark {
  width: 72px;
  height: 72px;
  margin: 0 auto 26px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(233, 211, 160, 0.5);
}

.closing__line {
  font-family: var(--serif);
  font-size: clamp(34px, 4.4vw, 56px);
  letter-spacing: 0.14em;
}

.closing__sub {
  margin: 16px 0 34px;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: rgba(246, 238, 223, 0.7);
}

/* ==========================================================================
   页脚
   ========================================================================== */

.site-footer {
  padding: clamp(44px, 5vw, 64px) 0;
  background: var(--ink);
  color: var(--text-dark-soft);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px 48px;
  align-items: start;
}

.site-footer__brand .wordmark {
  font-size: 24px;
  color: var(--paper);
}

.site-footer__brand p {
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: 0.06em;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 13px;
}

.site-footer__nav a {
  color: rgba(246, 238, 223, 0.72);
  transition: color 0.25s ease;
}

.site-footer__nav a:hover {
  color: var(--gold-light);
}

.site-footer__legal {
  grid-column: 1 / -1;
  padding-top: 22px;
  border-top: 1px solid rgba(201, 162, 87, 0.16);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(187, 169, 146, 0.65);
}

/* ==========================================================================
   滚动揭示
   ========================================================================== */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 36px;
  }

  .charts {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }

  .charts__row {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .charts__row p {
    grid-column: 2;
  }

  .charts__media {
    min-height: 480px;
  }
}

@media (max-width: 860px) {
  :root {
    --header: 64px;
  }

  .nav {
    display: none;
  }

  .brand {
    margin-right: auto;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header) + 56px);
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .hero__halo {
    top: 64%;
    right: 50%;
    transform: translate(50%, -50%);
    width: 120vw;
    opacity: 0.8;
  }

  .hero__visual {
    justify-self: center;
  }

  .hero__side {
    display: none;
  }

  .split,
  .charts {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .split--media-left .media {
    order: -1;
  }

  .media--right {
    justify-self: center;
  }

  .charts__media {
    min-height: 0;
    height: 560px;
    width: 100%;
  }

  .phone--back {
    left: 4%;
    top: 2%;
  }

  .phone--front {
    right: 4%;
    bottom: 0;
  }

  .gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 22px;
  }

  .gallery__item:nth-child(even) {
    padding-top: 0;
  }

  .plans {
    grid-template-columns: 1fr;
  }

  .plan + .plan {
    border-left: 0;
    border-top: 1px solid rgba(138, 106, 47, 0.3);
  }

  .index__item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15.5px;
  }

  .brand__name {
    font-size: 18px;
  }

  .hero__title .wordmark {
    font-size: clamp(64px, 21vw, 104px);
  }

  .hero__motto {
    letter-spacing: 0.3em;
  }

  .hero__actions .btn {
    flex: 1 1 auto;
  }

  .section__title br {
    display: none;
  }

  .index {
    grid-template-columns: 1fr;
  }

  .index__item:nth-child(odd) {
    border-top-width: 1px;
  }

  .gallery {
    gap: 30px 16px;
  }

  .phone--small {
    width: min(180px, 43vw);
  }

  .charts__media {
    height: 480px;
  }

  .phone--back {
    width: 46vw;
  }

  .phone--front {
    width: 52vw;
  }

  .closing__line {
    letter-spacing: 0.08em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__ring--inner {
    animation: none;
  }

  .hero__copy > *,
  .hero__visual {
    animation: none;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .phone,
  .charts__media .phone {
    will-change: auto;
  }
}