:root {
  --green-950: #031f17;
  --green-900: #073425;
  --green-820: #083d2e;
  --green-760: #0d5b3f;
  --green-650: #137246;
  --green-100: #e9f7ee;
  --gold-500: #d6a332;
  --gold-420: #f0c964;
  --gold-100: #fff5d6;
  --ink: #102118;
  --muted: #637368;
  --line: #dce8df;
  --paper: #ffffff;
  --soft: #f5fbf7;
  --shadow: 0 22px 55px rgba(5, 42, 28, .16);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

.qq-wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.qq-header {
  position: sticky;
  top: 0;
  z-index: 30;
  color: #fff;
  background: rgba(3, 31, 23, .96);
  border-bottom: 1px solid rgba(240, 201, 100, .2);
  backdrop-filter: blur(14px);
}

.qq-nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.qq-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  font-size: 26px;
  line-height: 1;
  white-space: nowrap;
}

.qq-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--green-950);
  background: linear-gradient(145deg, var(--gold-420), #9d6d16);
  box-shadow: 0 9px 26px rgba(240, 201, 100, .26);
  font-size: 24px;
  font-weight: 950;
}

.qq-menu {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 4px;
}

.qq-menu a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border-radius: 6px;
  color: rgba(255, 255, 255, .86);
  font-size: 14px;
  font-weight: 760;
}

.qq-menu a:hover,
.qq-menu .active {
  color: var(--gold-420);
  background: rgba(255, 255, 255, .06);
}

.qq-top-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 6px;
  color: #1d1605;
  background: linear-gradient(135deg, var(--gold-420), var(--gold-500));
  font-size: 14px;
  font-weight: 850;
  box-shadow: 0 13px 30px rgba(214, 163, 50, .24);
  white-space: nowrap;
}

.qq-hero {
  color: #fff;
  background:
    radial-gradient(circle at 82% 16%, rgba(240, 201, 100, .2), transparent 30%),
    linear-gradient(135deg, #021a14 0%, #083b2c 54%, #021a14 100%);
  overflow: hidden;
}

.qq-hero-grid {
  min-height: 660px;
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(520px, 1.18fr);
  align-items: center;
  gap: 58px;
  padding: 62px 0 76px;
}

.qq-hero h1 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(44px, 5vw, 76px);
  line-height: .98;
  letter-spacing: 0;
  font-weight: 950;
}

.qq-hero h1 span {
  color: var(--gold-420);
}

.qq-hero p {
  max-width: 610px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, .82);
  font-size: 17px;
}

.qq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 0;
}

.qq-btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 6px;
  border: 1px solid rgba(240, 201, 100, .5);
  font-size: 15px;
  font-weight: 850;
}

.qq-btn.primary {
  border-color: transparent;
  color: #1d1605;
  background: linear-gradient(135deg, var(--gold-420), var(--gold-500));
  box-shadow: 0 14px 34px rgba(214, 163, 50, .28);
}

.qq-btn.ghost {
  color: #fff;
  background: rgba(255, 255, 255, .04);
}

.qq-hero-media {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  border-radius: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.qq-hero-media img {
  width: 100%;
  height: auto;
  min-height: 0;
  max-height: 560px;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 24px 44px rgba(0, 0, 0, .32));
}

.qq-hero-note {
  display: none;
}

.qq-hero-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--gold-420);
  font-size: 16px;
}

.qq-hero-note span {
  display: block;
  color: rgba(255, 255, 255, .76);
  font-size: 13px;
  line-height: 1.55;
}

.qq-section {
  padding: 82px 0;
  background: var(--paper);
}

.qq-section.tint {
  background: var(--soft);
}

.qq-section.dark {
  color: #fff;
  background: linear-gradient(135deg, var(--green-950), #0a3c2b 54%, #081b28);
}

.qq-title {
  margin: 0;
  color: inherit;
  font-size: clamp(30px, 3.2vw, 48px);
  line-height: 1.08;
  font-weight: 950;
  letter-spacing: 0;
}

.qq-copy {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.dark .qq-copy {
  color: rgba(255, 255, 255, .74);
}

.qq-intro {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(400px, 1fr);
  gap: 56px;
  align-items: center;
}

.qq-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(135deg, #f8fffa, #e8f7ec);
  box-shadow: 0 20px 45px rgba(17, 71, 45, .08);
}

.qq-info-card {
  min-height: 156px;
  padding: 20px 16px;
  border: 1px solid rgba(19, 114, 70, .18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .86);
  text-align: center;
}

.qq-info-icon {
  width: 42px;
  height: 42px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  color: #fff;
  border-radius: 10px;
  background: var(--green-800, #0b5138);
  font-size: 20px;
  font-weight: 900;
}

.qq-info-card h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.28;
  font-weight: 900;
}

.qq-info-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.qq-feature-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 32px;
  text-align: center;
}

.qq-feature-head .qq-title {
  flex: 1;
}

.qq-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.qq-feature-card {
  position: relative;
  min-height: 296px;
  overflow: hidden;
  border: 1px solid rgba(240, 201, 100, .25);
  border-radius: 10px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .03)),
    rgba(5, 47, 34, .75);
}

.qq-feature-card:nth-child(2) {
  background:
    linear-gradient(150deg, rgba(240, 201, 100, .18), rgba(255, 255, 255, .03)),
    rgba(35, 39, 18, .75);
}

.qq-feature-card::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -20px;
  width: 230px;
  height: 190px;
  background: url("qqvn-hero.png") center / cover;
  opacity: .95;
  border-radius: 10px;
}

.qq-feature-card:nth-child(1)::after {
  background-position: 48% 48%;
}

.qq-feature-card:nth-child(2)::after {
  background-position: 84% 82%;
}

.qq-feature-card:nth-child(3)::after {
  background: none;
}

.qq-feature-body {
  position: relative;
  z-index: 2;
  max-width: 255px;
  padding: 30px 26px;
}

.qq-feature-num {
  display: block;
  color: var(--gold-420);
  font-size: 46px;
  line-height: .9;
  font-weight: 950;
  margin-bottom: 18px;
}

.qq-feature-card h3 {
  margin: 0;
  color: #fff;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 920;
}

.qq-feature-card p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, .74);
  font-size: 15px;
}

.qq-small-link {
  width: max-content;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  margin-top: 24px;
  padding: 0 16px;
  border-radius: 6px;
  border: 1px solid rgba(240, 201, 100, .45);
  color: var(--gold-420);
  font-size: 13px;
  font-weight: 850;
}

.qq-gift {
  position: absolute;
  right: 34px;
  bottom: 34px;
  z-index: 1;
  width: 122px;
  height: 112px;
}

.qq-gift::before,
.qq-gift::after {
  content: "";
  position: absolute;
  background: linear-gradient(145deg, #0d5139, #073425);
  border: 3px solid var(--gold-420);
  box-shadow: 0 18px 30px rgba(0, 0, 0, .24);
}

.qq-gift::before {
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 82px;
  border-radius: 8px;
}

.qq-gift::after {
  left: 0;
  right: 0;
  top: 15px;
  height: 28px;
  border-radius: 8px;
}

.qq-gift span {
  position: absolute;
  left: 55px;
  top: 14px;
  width: 12px;
  height: 98px;
  z-index: 3;
  background: var(--gold-420);
  border-radius: 5px;
}

.qq-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 34px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 18px 42px rgba(17, 71, 45, .07);
}

.qq-step {
  position: relative;
  min-height: 226px;
  padding: 36px 26px;
  text-align: center;
  border-right: 1px solid var(--line);
}

.qq-step:last-child {
  border-right: 0;
}

.qq-step-num {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin: -58px auto 16px;
  color: #fff;
  border-radius: 50%;
  background: var(--green-650);
  font-size: 18px;
  font-weight: 950;
}

.qq-step-icon {
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  border-radius: 50%;
  color: var(--green-760);
  background: var(--green-100);
  font-size: 36px;
  font-weight: 900;
}

.qq-step h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 900;
}

.qq-step p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.qq-news-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.qq-news-head .qq-copy {
  max-width: 620px;
}

.qq-news-list {
  display: grid;
  gap: 14px;
}

.qq-news-row {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 92px 96px;
  align-items: center;
  gap: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 13px 28px rgba(18, 67, 42, .06);
}

.qq-news-thumb {
  position: relative;
  min-height: 124px;
  display: flex;
  align-items: end;
  padding: 18px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(19, 114, 70, .16);
  background-image:
    linear-gradient(90deg, rgba(3, 31, 23, .86), rgba(3, 31, 23, .05)),
    url("qqvn-hero.png");
  background-size: cover;
}

.qq-news-row:nth-child(1) .qq-news-thumb,
.qq-news-row:nth-child(4) .qq-news-thumb {
  background-position: 56% 50%;
}

.qq-news-row:nth-child(2) .qq-news-thumb,
.qq-news-row:nth-child(5) .qq-news-thumb {
  background-position: 86% 74%;
}

.qq-news-row:nth-child(3) .qq-news-thumb {
  background-position: 45% 46%;
}

.qq-news-thumb span {
  max-width: 170px;
  color: var(--gold-420);
  font-size: 18px;
  line-height: 1.05;
  font-weight: 950;
  text-transform: uppercase;
}

.qq-news-info h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.28;
  font-weight: 900;
}

.qq-news-info p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.qq-date {
  color: var(--muted);
  font-size: 13px;
  text-align: right;
  white-space: nowrap;
}

.qq-read {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: #fff;
  background: var(--green-760);
  font-size: 13px;
  font-weight: 850;
}

.qq-more {
  margin-top: 22px;
  text-align: center;
}

.qq-footer {
  color: rgba(255, 255, 255, .78);
  background: var(--green-950);
  padding: 54px 0 28px;
}

.qq-footer-grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr .8fr;
  gap: 42px;
}

.qq-footer h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 17px;
}

.qq-footer p,
.qq-footer a {
  display: block;
  margin: 0;
  color: rgba(255, 255, 255, .7);
  font-size: 14px;
  line-height: 1.75;
}

.qq-footer .qq-brand {
  color: #fff;
}

.qq-copyright {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .56);
  text-align: center;
  font-size: 13px;
}

.qq-article-hero {
  padding: 76px 0;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(3, 31, 23, .92), rgba(3, 31, 23, .66)),
    url("qqvn-hero.png") center / cover;
}

.qq-article-hero h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(34px, 4.8vw, 62px);
  line-height: 1.05;
  font-weight: 950;
}

.qq-article-hero p {
  max-width: 720px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, .78);
}

.qq-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 30px;
  align-items: start;
  padding: 60px 0;
}

.qq-article-card,
.qq-side-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(18, 67, 42, .06);
}

.qq-article-card {
  padding: 34px;
}

.qq-article-card h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  font-weight: 950;
}

.qq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 26px;
  color: var(--muted);
  font-size: 13px;
}

.qq-meta span {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--green-100);
}

.qq-article-image {
  margin: 0 0 28px;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.qq-article-image img {
  width: 100%;
}

.qq-article-body {
  color: #253b2d;
  font-size: 16px;
}

.qq-article-body h2,
.qq-article-body h3 {
  margin: 30px 0 10px;
  line-height: 1.2;
  color: var(--green-900);
}

.qq-article-body p {
  margin: 0 0 16px;
}

.qq-article-body ul,
.qq-article-body ol {
  padding-left: 22px;
}

.qq-article-actions {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.qq-article-actions ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.qq-article-actions a {
  color: var(--green-760);
  font-weight: 850;
}

.qq-side-card {
  overflow: hidden;
  margin-bottom: 18px;
}

.qq-side-visual {
  min-height: 190px;
  background: url("qqvn-hero.png") center / cover;
}

.qq-side-body {
  padding: 22px;
}

.qq-side-body h2,
.qq-side-body h3 {
  margin: 0 0 10px;
  color: var(--green-900);
  line-height: 1.2;
}

.qq-side-body ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .qq-menu {
    display: none;
  }

  .qq-hero-grid,
  .qq-intro,
  .qq-article-layout {
    grid-template-columns: 1fr;
  }

  .qq-hero-grid {
    min-height: 0;
    gap: 30px;
  }

  .qq-hero-media {
    min-height: 0;
  }

  .qq-hero-media img {
    max-height: 420px;
  }

  .qq-info-grid,
  .qq-feature-grid {
    grid-template-columns: 1fr;
  }

  .qq-feature-head,
  .qq-news-head {
    align-items: start;
    flex-direction: column;
    text-align: left;
  }

  .qq-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .qq-step:nth-child(2) {
    border-right: 0;
  }

  .qq-step:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .qq-news-row {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .qq-date,
  .qq-read {
    grid-column: 2;
    text-align: left;
  }

  .qq-read {
    width: max-content;
    min-width: 96px;
    padding: 0 14px;
  }

  .qq-footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .qq-wrap {
    width: min(100% - 28px, var(--max));
  }

  .qq-nav {
    min-height: 62px;
  }

  .qq-brand {
    font-size: 21px;
  }

  .qq-mark {
    width: 36px;
    height: 36px;
    font-size: 21px;
  }

  .qq-top-cta {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .qq-hero-grid {
    padding: 42px 0 54px;
  }

  .qq-hero h1 {
    font-size: clamp(38px, 12vw, 52px);
  }

  .qq-hero p {
    font-size: 15px;
  }

  .qq-actions {
    gap: 10px;
  }

  .qq-btn {
    width: 100%;
  }

  .qq-hero-media {
    min-height: 0;
  }

  .qq-hero-media img {
    max-height: 330px;
  }

  .qq-hero-note {
    display: none;
  }

  .qq-section {
    padding: 58px 0;
  }

  .qq-title {
    font-size: 31px;
  }

  .qq-info-grid {
    padding: 18px;
  }

  .qq-feature-card {
    min-height: 270px;
  }

  .qq-feature-body {
    max-width: 238px;
    padding: 24px 22px;
  }

  .qq-feature-card::after {
    width: 190px;
    height: 150px;
    right: -50px;
  }

  .qq-gift {
    right: 18px;
    bottom: 26px;
    transform: scale(.86);
    transform-origin: right bottom;
  }

  .qq-steps {
    grid-template-columns: 1fr;
  }

  .qq-step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .qq-step:last-child {
    border-bottom: 0;
  }

  .qq-step:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .qq-news-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .qq-news-thumb {
    min-height: 170px;
  }

  .qq-date,
  .qq-read {
    grid-column: auto;
  }

  .qq-article-card {
    padding: 22px;
  }
}